Nordson EP 30 User manual

Brand: Nordson

Model: EP 30

Type: User manual

Hot Melt Application Head

EP 30

Manual P/N 397 191 B

− English −

Issued 11/05

NORDSON ENGINEERING GMBH D LÜNEBURG D GERMANY

P/N 397191B E 2005 Nordson Corporation

EP 30

Note

This manual applies to the entire series.

Order number

P/N = Order number for Nordson products

Notice

This is a Nordson Corporation publication which is protected by copyright. Original copyright date 2003.

No part of this document may be photocopied, reproduced, or translated to another language without the

prior written consent of Nordson Corporation. The information contained in this publication is subject to

change without notice.

Trademarks

AccuJet, AeroCharge, Apogee, AquaGuard, Asymtek, Automove, Autotech, Baitgun, Blue Box, CanWorks, Century, CF, Clean Coat, CleanSleeve,

CleanSpray, ColorMax, Control Coat, Coolwave, Cross-Cut, Cyclo-Kinetic, Dispensejet, DispenseMate, DuraBlue, Durafiber, Dura-Screen, Durasystem,

Easy Coat, Easymove Plus, Ecodry, Econo-Coat, e.dot, e.stylized, EFD, ETI, Excel 2000, Fillmaster, FlexiCoat, Flexi-Spray, Flex-O-Coat, Flow Sentry,

Fluidmove, FoamMelt, FoamMix, Heli-flow, Helix, Horizon, Hot Shot, iControl, iFlow, Isocoil, Isocore, Iso-Flo, iTRAX, JR, KB30, Kinetix, Little Squirt,

Magnastatic, March, MEG, Meltex, Microcoat, Micromark, MicroSet, Millenium, Mini Squirt, Moist-Cure, Mountaingate, MultiScan, Nordson, OmniScan,

OptiMix, Package of Values, PatternView, PermaFlo, Plasmod, PluraFoam, Porous Coat, PowderGrid, Powderware, Prism, Printplus, ProBlue, Pro-Flo,

ProLink, Pro-Meter, Pro-Stream, RBX, Rhino, Saturn, Scoreguard, SC5, S. design stylized, Seal Sentry, Select Charge, Select Coat, Select Cure,

Slautterback, Smart-Coat, Solder Plus, Spectrum, Speed-Coat, Spraymelt, Spray Squirt, Super Squirt, SureBead, Sure Clean, Sure Coat, Sure-Max,

Tela-Therm, Tracking Plus, Trends, Tribomatic, Ultrasaver, UniScan, UpTime, Vantage, Veritec, VersaBlue, Versa-Coat, Versa-Screen, Versa-Spray,

Walcom, Watermark, When you expect more. are registered trademarks − ® − of Nordson Corporation.

Accubar, Advanced Plasma Systems, AeroDeck, AeroWash, AquaCure, ATS, Auto-Flo, AutoScan, BetterBook, Blue Series, CanNeck, Celero,

Chameleon, Check Mate, ClassicBlue, Controlled Fiberization, Control Weave, CPX, DispensLink, Dry Cure, DuraBraid, DuraCoat, DuraDrum, DuraPail,

Easy Clean, EasyOn, Eclipse, E-Nordson, Equi=Bead, ESP, Exchange Plus, Fill Sentry, Gluie, G-Net, G-Site, HDLV, Ink-Dot, iON, Iso-Flex, iTrend, KVLP,

Lacquer Cure, Lean Cell, Logicomm, Maverick, Maxima, MicroFin, MicroMax, MiniBlue, Minimeter, Multifil, Myritex, OptiStroke, Origin, PatternPro, PCI,

PluraMix, Powder Pilot, Powercure, Primarc, Process Sentry, Prodigy, Pulse Spray, PurTech, Quad Cure, Ready Coat, Royal Blue, Select Series,

Sensomatic, Shaftshield, SheetAire, Smart, SolidBlue, Spectral, Spectronic, SpeedKing, Spray Works, Summit, Sure Brand, SureSeal, Sure Wrap,

Swirl Coat, Tempus, ThruWave, Trade Plus, Trak, TrueBlue, Ultra, Ultrasmart, Universal, Viper, Vista, WebCure, 2 Rings (Design) are trademarks −

T − of Nordson Corporation.

Designations and trademarks stated in this document may be brands that, when used by third parties for their own purposes,

could lead to violation of the owners’ rights.

Table of Contents I

P/N 397191B

E 2005 Nordson Corporation EP 30

Table of Contents

Safety Instructions 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Description 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Intended Use 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Unintended Use − Examples −1. . . . . . . . . . . . . . . . . . . . . . . . . .

Residual Risks 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Note on Manual 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Description of Components / Functioning 3. . . . . . . . . . . . . . . . . . . .

Front and Back View 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Solenoid valve 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Control Module 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Heating 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ID Plate 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Unpacking 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Transport 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Disposal 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Exhausting Adhesive Vapors 6. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Electrical Connections 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Laying Cable 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Electrically Connecting Application Head 6. . . . . . . . . . . . . . . . . .

Connecting Solenoid Valves 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Compressed Air 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating with Non-lubricated Compressed Air 7. . . . . . . . . . . .

Conditioning Compressed Air 7. . . . . . . . . . . . . . . . . . . . . . . . . . .

Pneumatic Connections 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Connecting Heated Hoses 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Connecting 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Disconnecting 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Relieving Pressure 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Second Open-jawed Wrench 8. . . . . . . . . . . . . . . . . . . . . . . . .

Operation 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Triggering Solenoid Valve 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Setting Temperatures 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Setting Control Air Pressure 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Setting Adhesive Pressure 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Maximum adhesive pressure 10. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Settings Record Form 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents

P/N 397191B E 2005 Nordson Corporation

EP 30

Maintenance 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Relieving Pressure 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Daily Maintenance 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Visual Inspection for External Damage 13. . . . . . . . . . . . . . . . . . .

External Cleaning 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Inspecting Control Module 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Regular Maintenance 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Replacing Control Module 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cleaning Nozzle 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Maintenance Record Form 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Introduction 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting Table 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Technical Data 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Electrical Data 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pressure Data 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Temperatures 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Dimensions and Weights 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Hot melt application head EP 30 1

P/N 397191B

E 2005 Nordson Corporation EP 30

Safety Instructions

WARNING: Allow only qualified personnel to perform the following tasks.

Observe and follow the safety instructions in this document and all other

related documentation.

Description

Intended Use

Hot melt application heads in the series EP 30 − hereafter also referred to

as application head − may be used only for bead application of hot melt

adhesives.

Any other use is considered to be unintended. Nordson will not be liable for

personal injury or property damage resulting from unintended use.

Intended use includes the observance of Nordson safety instructions.

Nordson recommends obtaining detailed information on the materials to be

used.

Unintended Use − Examples −

The application head may not be used under the following conditions:

SWhen changes or modifications have been made by the customer

SIn defective condition

SIn a potentially explosive atmosphere

SWhen values stated under Technical Data are not complied with.

The application head may not be used to apply the following materials:

SExplosive and flammable materials

SErosive and corrosive materials

SFood products.

2Hot melt application head EP 30

P/N 397191B E 2005 Nordson Corporation

EP 30

Residual Risks

In the design of the unit, every measure was taken to protect personnel

from potential danger. However, some residual risks can not be avoided.

Personnel should be aware of the following:

SRisk of burns! The application head is hot.

SRisk of burns! The hot melt adhesive that comes out of the nozzle is hot.

SRisk of burns when connecting and disconnecting heated hoses.

SRisk of burns when conducting maintenance and repair work for which

the application head must be heated up.

SInhalation of potentially hazardous hot melt adhesive vapors.

Note on Manual

SThe position numbers in the illustrations do not correspond to the

position numbers in the technical drawings and parts lists.

SThe illustrations show only the essential components of the application

head. All other components and details can be found in the included

technical drawings (Refer to Parts List).

Hot melt application head EP 30 3

P/N 397191B

E 2005 Nordson Corporation EP 30

Description of Components / Functioning

Front and Back View

134

Fig. 1

1 Compressed air connection

2 Solenoid valve

3 Control module

4 Electrical connecting line

5 Hose connection

6 Nozzle

7 Temperature sensor

8 Heater cartridge

9 Mounting bracket

Note: Depending on the model, the nozzle may be different lengths.

002309

Nordson Engineering GmbH

D 21337 Lüneburg − Germany

Made in Germany

4Hot melt application head EP 30

P/N 397191B E 2005 Nordson Corporation

EP 30

Description of Components / Functioning (contd.)

Solenoid valve

NOTE: The solenoid valves may only be triggered or activated when the

application head has been heated up! Failure to observe may cause

damage to the nozzle stem seals in the control modules.

The solenoid valves are operated by an electronic control unit that ensures

that the solenoid valves open and close at the right times.

Control Module

The control module precisely opens and closes the adhesive supply to the

nozzle by pneumatically raising or lowering the nozzle stem. A compression

spring ensures that the application nozzle is closed when pressure drops,

preventing adhesive from being applied.

Heating

The application head is heated with electrical heater cartridges. The

temperature is continuously measured by temperature sensors and is

controlled with electronic temperature controllers.

Temperature controllers are not part of the application head.

ID Plate

The ID plate displays the following information:

Type of application head

Nordson order number

Serial number

Operating voltage (V = Volt)

Total power consumption (W = Watt)

Fig. 2

Hot melt application head EP 30 5

P/N 397191B

E 2005 Nordson Corporation EP 30

Installation

WARNING: Allow only qualified personnel to perform the following tasks.

Observe and follow the safety instructions in this document and all other

related documentation.

Unpacking

Unpack carefully. Then check for any damage caused during shipping.

Reuse packaging materials or dispose of properly according to local

regulations.

Transport

The application head is a high precision, valuable part. Handle very

carefully! Protect the nozzle from damage.

Storage

Do not store outside! Protect from humidity and dust. Do not lay application

head on the nozzle. Protect the nozzle from damage.

Disposal

When your Nordson product has exhausted its purpose and/or is no longer

needed, dispose of it properly according to local regulations.

Installation

When installing the application head, the following points should be

observed in order to avoid unnecessary effort later.

SProtect from humidity, vibrations, dust and drafts.

SEnsure access to parts relevant for maintenance and operation.

SInstall/attach the application head to/in the parent machine with the

mounting bracket. To achieve optimum adhesive application, during

assembly ensure that the distance and, when appropriate, the angle

between the nozzle and the substrate can be varied.

SWhen installing the application head, ensure that cables, air hoses, and

heated hoses can not be bent, pinched, torn off or otherwise damaged.

6Hot melt application head EP 30

P/N 397191B E 2005 Nordson Corporation

EP 30

Exhausting Adhesive Vapors

Ensure that adhesive vapors do not exceed the prescribed limits. Exhaust

adhesive vapors when necessary. Provide sufficient ventilation of the

location where the application head is installed.

Electrical Connections

WARNING: Risk of electrical shock. Failure to observe may result in

personal injury, death, or equipment damage.

Laying Cable

WARNING: Do not pinch cables and check regularly for damage. Replace

damaged cables immediately!

Electrically Connecting Application Head

The application head is connected electrically by inserting the plugs into the

corresponding receptacle of the melter or a terminal box. Secure the plug

with the clamp if necessary.

Connecting Solenoid Valves

Depending on the specific design of the hot melt application system, the

solenoid valves on the control modules are controlled either by an external

power supply, e.g. control unit, or through the solenoid valve control leads of

the heated hose. Secure the plug with the clamp if necessary.

NOTE: Observe the voltage stated on the ID plate of the solenoid valve.

Hot melt application head EP 30 7

P/N 397191B

E 2005 Nordson Corporation EP 30

Compressed Air

Nordson recommends using dry, controlled and non-lubricated compressed

air.

Operating with Non-lubricated Compressed Air

When an application head is connected to a compressed air system in

which the compressed air has previously been lubricated, simply ceasing to

lubricate the air is not sufficient. The oil remaining in the compressed air

supply will reach the solenoid valves and the control modules and wash out

the lubricant/oil from these parts, substantially decreasing the lifetime of the

units.

NOTE: It must be ensured that the compressed air supply to the application

heads has been converted to absolutely non-lubricated operation.

NOTE: No oil from a possible defective compressor may be permitted to

penetrate the compressed air supply.

NOTE: Nordson will assume no warranty/liability for damage resulting from

unpermitted, temporary lubrication.

Conditioning Compressed Air

The quality of the compressed air must be at least class 2 as stipulated by

ISO 8573−1. This means:

SMax. particle size 1 mm

SMax. particle density 1 mg/m3

SMax. pressure dewpoint −40 °C / −40 °F

SMax. oil concentration 0.1mg/m3.

Pneumatic Connections

1. Connect customer’s air supply to to the inlet of the air conditioning unit.

Maximum air pressure:

10 bar 1 MPa 145 psi

2. Connect control modules to the air conditioning unit.

3. Set control air pressure:

Approx. 5 to 6 bar Approx. 0.5 to 0.6 MPa Approx. 72.5 to 87 psi

NOTE: The exact pressure must be determined for each application.

MXHH001S050B0997

132

MXHH002S033A0295

8Hot melt application head EP 30

P/N 397191B E 2005 Nordson Corporation

EP 30

Connecting Heated Hoses

WARNING: Hot! Risk of burns. Wear heat-protective gloves.

Connecting

If cold adhesive can be found in the hose connection (1) and/or hose fitting

(2), these components must be heated until the adhesive softens (approx.

80 _C, 176_F).

1. First connect the hose (3) electrically to the unit.

2. Heat the unit and hose to approx. 80 _C (176 _F).

3. Screw the heated hose onto the unit.

Fig. 3

Disconnecting

Relieving Pressure

1. Set motor speed(s) to 0 min-1 (rpm); switch off motor(s).

2. Place a container under the nozzle(s) of the application head.

3. Trigger the solenoid valves electrically or manually. Repeat this

procedure until no more adhesive flows out.

4. Dispose of adhesive properly according to local regulations.

Second Open-jawed Wrench

Use a second open-jawed wrench when connecting and disconnecting the

heated hose. This prevents the hose connection from turning.

Fig. 4

Hot melt application head EP 30 9

P/N 397191B

E 2005 Nordson Corporation EP 30

Operation

WARNING: Allow only qualified personnel to perform the following tasks.

Observe and follow the safety instructions in this document and all other

related documentation.

Triggering Solenoid Valve

CAUTION: Trigger the solenoid valves only when the application head is

heated to operating temperature!

Setting Temperatures

NOTE: The temperature setting is determined by the processing

temperature prescribed by the adhesive supplier. The maximum operating

temperature of the product described here may not be exceeded.

The application head temperature required is set on the melter.

The basis for temperature selections are the values stipulated by the hot

melt manufacturer.

Nordson will assume no warranty or liability for damage resulting from

incorrect temperature settings.

Setting Control Air Pressure

The control air pressure is set to suit each application on an air conditioning

unit. The air conditioning unit with pressure control valve is not part of the

application head.

Set control air pressure:

5 to 6 bar 0.5 to 0.6 MPa 72.5 to 87 psi

NOTE: The maximum control air pressure may not be exceeded.

The exact pressure must be determined for each application.

Nordson will assume no warranty or liability for damage resulting from

incorrect pressure settings.

10 Hot melt application head EP 30

P/N 397191B E 2005 Nordson Corporation

EP 30

Setting Adhesive Pressure

The exact pressure must be determined for each application.

Adhesive pressure in

application head

Pump speed in melter Adhesive pressure

Low Increase Increase

High Decrease Decrease

Maximum adhesive pressure

The maximum adhesive pressure may not be exceeded:

70 bar 7 MPa 1015 psi

Nordson will assume no warranty or liability for damage resulting from

incorrect pressure settings.

Hot melt application head EP 30 11

P/N 397191B

E 2005 Nordson Corporation EP 30

Settings Record Form

Production information

Adhesive Manufacturer

Max. processing temperature

Viscosity

Cleaning agent Manufacturer

Flash point

Basic settings Application weight (grammage)

Application width

Substrate speed

Adhesive quantity

Output capacity

Air pressure at application

head

Control air

Basic settings temperature Application head body

(heating zones) Heated hose

Pump speeds Melter

Motor controller (setpoint)

Adhesive pressure Melter

Motor controller (setpoint)

Notes

Form filled out by:

Name Date

12 Hot melt application head EP 30

P/N 397191B E 2005 Nordson Corporation

EP 30

Maintenance

WARNING: Allow only qualified personnel to perform the following tasks.

Observe and follow the safety instructions in this document and all other

related documentation.

NOTE: Maintenance is an important preventive measure for maintaining

operating safety and extending the lifetime of the unit. It should not be

neglected under any circumstances.

Relieving Pressure

WARNING: System and adhesive pressurized. Before removing heated

hoses and the hot melt application heads, relieve system pressure. Failure

to observe can result in serious burns.

WARNING: Hot! Risk of burns. Wear heat-protective gloves.

1. Set motor speed of the unit feeding the hot melt adhesive to 0 min-1;

switch off motor(s).

2. Place a container under the nozzle of the application head.

3. Activate the solenoid valves electrically or manually. Repeat this

procedure until no more adhesive flows out.

4. Reuse adhesive or dispose of properly according to local regulations.

Hot melt application head EP 30 13

P/N 397191B

E 2005 Nordson Corporation EP 30

Daily Maintenance

Unit part Activity Interval Refer to

Complete application head Inspect for damage Daily Page 13

ppp

External cleaning Daily Page 13

Control modules Check for leakage Daily Page 13

Visual Inspection for External Damage

CAUTION: When damaged parts pose a risk to the operational safety of

the unit and/or safety of personnel, switch off the unit and have the

damaged parts replaced by qualified personnel. Use only original Nordson

spare parts.

External Cleaning

External cleaning prevents impurities created during production from

causing the unit to malfunction.

Always follow manufacturer’s instructions when using cleaning agents!

1. Heat cold application head electrically or with a hot air fan until the

adhesive is liquid.

2. Thoroughly remove warm adhesive with a cleaning agent and/or a soft

cloth.

3. Remove dust, fluffs, etc. with a vacuum cleaner or a soft, lint-free cloth.

CAUTION: Do not damage or remove warning labels. Damaged or

removed warning labels must be replaced by new ones.

Inspecting Control Module

If adhesive escapes, the internal O-rings have worn and the control module

must be replaced.

14 Hot melt application head EP 30

P/N 397191B E 2005 Nordson Corporation

EP 30

Regular Maintenance

Unit part Activity Interval Refer to

Control modules Check detection holes Daily Page 13

Replace When damaged Page 14

Nozzle Cleaning Regularly, or when the

application pattern

deteriorates

Page 14

Replace When damaged −

Power cable Inspect for damage Every time the application

head is serviced

−

Air hoses Inspect for damage Every time the application

head is serviced

−

Replacing Control Module

WARNING: Hot! Risk of burns. Wear heat-protective gloves.

Nordson recommends keeping control modules on hand to avoid

interruptions in production (Refer to Spare Parts List).

1. Relieve pressure.

2. Release air connection and electrical connection.

3. Release screws and extract control module from warm application head.

4. Insert new control module; tighten screws crosswise.

5. Re-connect air and electrical connection.

Cleaning Nozzle

WARNING: Hot! Risk of burns. Wear heat-protective gloves.

Nordson recommends keeping nozzles on hand to avoid interruptions in

production (Refer to Spare Parts List).

1. Unscrew nozzle from application head.

2. Clean nozzle with a cleaning agent or a soft cloth.

3. Inspect nozzle for damage, replace if necessary

4. Screw clean nozzle onto the application head again.

Hot melt application head EP 30 15

P/N 397191B

E 2005 Nordson Corporation EP 30

Maintenance Record Form

Unit part Activity Date Name Date Name

Application head External inspection and

cleaning

Control module External cleaning

Replace control module

Nozzle Cleaning

Replace nozzle

16 Hot melt application head EP 30

P/N 397191B E 2005 Nordson Corporation

EP 30

Troubleshooting

WARNING: Allow only qualified personnel to perform the following tasks.

Observe and follow the safety instructions in this document and all other

related documentation.

Introduction

Troubleshooting tables are intended as an orientation for qualified

personnel. They cannot, however, replace targeted troubleshooting with the

aid of wiring diagrams and measuring instruments. They also do not include

all possible problems, only those which most typically occur.

The following problems are not included in the troubleshooting tables:

SFaults in installation

SFaults in operation

SDefective cables

SLoose plug and screw connections

In the column Corrective action, the remark that defective parts should be

replaced is generally not included.

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Nordson EP 30 User manual

Nordson EP 30 User manual

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