SportsArt Fitness T652 User manual

T652 Repair Manual (Electronics)

Table of Contents

1-1-1. Product Illustration – T652

1-2-1. Display – T652

1-3-1. Component Placement – T652 Display

1-3-2. Component Placement – T652 Drive Compartment

1-4-1. Block Diagram of Electronic Components – T652

1-5-1. Cable Connections - T652 Display

1-5-2. Cable Connections - T652 EAC Drive Board

1-6-1. LED Indicators - T652 Display Board

1-6-2. LED Indicators - T652 Drive Board

1-7-1. Electronic Specifications - T652

2-1-1. Electronic Component Troubleshooting Chart - T652

3-1-1. Troubleshooting – Safety Key Malfunction - T652

3-2-1. Troubleshooting – Unit Will Not Start - T652

3-3-1. Troubleshooting – No Telemetry Heart Rate - T652

3-4-1. Troubleshooting – Key Malfunction – Soft Keys - T652

3-5-1. Troubleshooting – Key Malfunction – Display Keys - T652

3-6-1. Troubleshooting – Incline Operation Malfunction - T652

3-7-1. Troubleshooting – Contact Heart Rate Malfunction - T652

3-8-1. Troubleshooting – Fuse Breaks at Start – T652

3-8-2. Troubleshooting – Fuse Breaks at Speed - T652

3-8-3. Troubleshooting – Fuse Breaks in Use - T652

3-9-1. Troubleshooting – ERROR_1_1_T652

3-9-2. Troubleshooting – ERROR_1_2_T652

3-9-3. Troubleshooting – ERR0R_1_3_T652

3-10-1. Troubleshooting – ERROR_2_1_T652

3-11-1. Troubleshooting – ERROR_3_1_T652

3-12-1. Troubleshooting – ERROR_8_1_T652

3-12-2. Troubleshooting – ERROR_8_2_T652

3-13-1. Troubleshooting – SERVICE NEEDED-APPLY LUBE-T652

3-14-1. Other - KPH/MPH, distance, time, display/drive board program versions - T652

3-15-1. Other – Error Message Chart - T652

1-1. Product Illustration

1-1-1

1-2. Display - T652

1-2-1

1-3. Component Placement -

T652 Display

1-3-1

HTR board

Display board

Bridge board

IPOD earphone board

IPOD audio board

Telemetry heart rate receiver

CARDIO board

1-3. Component Placement - T652 Drive Compartment

1-3-2

EAC drive board

AC incline motor

Filter

EAC servo motor (green

sticker designates EAC)

Inductor

1-4. Block Diagram of Electronic Components - T652

1-4-1

Display

board

Drive

board

Motor

Speed sensor

Thermal switch

Incline motor 0% switch

Inductor

Filter

Polar board

Bridge board

HTR board

Safety key board

Keypad

Polar board

Cardio board

iPod board

iPod keys

iPod

earphone

jack

SW

Fuse

AC1

AC2

To

iPod

Sensor

1-5. Cable Connections - T652 Display

1-5-1

To cardio board

To drive board

To bridge board

To telemetry heart rate receiver

To iPod board

1-5. Cable Connections - T652 EAC Drive Board

1-5-2

To motor speed sensor

To thermal sensor

接至電子表組

To filter

To display board

To motor

To incline 0% switch

To incline motor

1-6. Indicator LEDs - T652 Display Board

1-6-1

Power indicator LED

 Indicates display is

receiving power.

1-6. LED Indicators - T652 Drive Board

1-6-2

F1 fuse 15A

1-7. Electronic Specifications - T652

Item

Details Notes

Power supply

110V / 220V

Motor

AC servo motor (includes internal thermal sensor)

5.0 HP

Speed sensor

Optic encoder

Speed range

KPH: 0.2 - 24.0 (KPH)

MPH: 0.1 –15.0 (MPH)

Japanese: 0.2-20.0 (KPH)

Japanese version limits

speed to 18 KPH

Incline range

Power: AC motor (110V or 220V)

Incline range: 0 % -15 %

0% setting, time control

1% per second

AC electronic automatic

adjustment

Display method

LED＋16-segment＋7-segment LED＋dot matrix

Program mode

MANUAL, HILL 1、2、3, RANDOM,

GLUTE, INTERVAL, TRACK, FAT BURN

Heart rate control

program

CARDIO, WT LOSS, ZONE TRAINER

Heart rate Contact HTR / telemetry heart rate

1-7-1

2-1. Electronic Component Troubleshooting Chart - T652

Malfunction Circumstance Inspection or test point Replace Notes

Safety key

operation is

malfunctioning

Put Safety key in place.

There is no reaction from the

display. “Safety Key” error

message appears.

1. Inspect the cable connections at the bridge board and

safety key

2. Replace the safety key.

Safety key board

No start up Turn on the power. Display

shows no reaction.

1. Inspect main fuse.

2. Inspect drive board fuse and LED.

3. Inspect all cable connections.

4. Inspect display LED and program IC.

1. Main unit fuse

2. Drive board

3. Cables

4. Display

No incline

operation

Press incline keys. The

incline does not operate up or

down.

1. Inspect incline 0% switch.

2. Inspect drive board cable connections.

3. Replace drive board.

4. Incline motor malfunction.

1. Drive board

2. 0% switch

No telemetry

heart rate

reception

Telemetry heart rate does not

function.

1. Inspect heart rate transmitter strap and battery. Replace

the battery if the strap has not been used for a long time.

2. Inspect heart rate receiver board cable connection.

3. Inspect or replace the telemetry heart rate receiver board.

4. Inspect environment for interference, such as speakers

and lights.

1. Heart rate

transmitter

2. Heart rate

receiver

No contact heart

rate reception

Contact heart rate does not

function.

1. Inspect the HTR cable connection to the bridge board.

2. Inspect the HTR indicator LEDs.

3. Replace the HTR board.

1.HTR board

Key malfunction

(display)

Keys do not operate or keys

operate continuously.

1. Replace the display key switches. Display board key

switches

Key malfunction

(soft key)

Keys do not operate or keys

operate continuously.

1. Inspect the soft key cable connection on the bridge

board.

2. Replace the soft key.

Soft keys

2-1-1

2-1. Electronic Component Troubleshooting Chart - T652, Continued.

Malfunction Circumstance Inspection or test point Replace Notes

ERR0R_1_1_ Servo motor encoder

malfunction

1. If motor does not rotate, the EAC drive board could be the issue.

2. If the motor rotates and ERROR_1_1_ appears, replace the motor

speed sensor.

1. EAC

drive board

2. Servo

encoder

ERR0R_1_2_ Servo motor thermal sensor is

activated; speed is reduced to

half speed.

1. Inspect motor temperature. If it is not hot, inspect the thermal

sensor cable connection.

2. Inspect walk belt tightness.

3. Inspect walk belt wear.

4. Lubricate the belt. If lubrication is not effective, replace the walk

belt..

1. Walk

belt

ERROR_2_1_ IGBT over current malfunction

1. Re-start the unit as a test.

2. If issue is repeated, replace the EAC drive board.

1. EAC

drive board

ERR0R_2_2_ IGBT over heat malfunction 1. Re-start the unit as a test.

2. If issue is repeated, replace the EAC drive board.

1. EAC

drive board

ERROR_3_1_ Incline motor calibration

malfunction

1. Inspect cable connections.

2. After starting the unit, feel the incline motor. If hot, the drive board

is malfunctioning.

3. After starting the unit, inspect whether incline 0% switch operates.

If so, the drive board is malfunctioning.

4. Inspect the 0% switch operation.

1.EAC

drive board

2.Incline

0% switch

Power off Power is off. 1. Re-start the unit as a test.

2. If issue is repeated, replace the EAC drive board.

1. EAC

drive board

ERR0R_4_2_ Low voltage supply 1. Power supply is too low.

2. Measure power supply voltage. If too low, external power supply is

insufficient. Please have an electrician address the situation.

3. After fixing the power supply, use the product to confirm its safety.

2-1-2

2-1. Electronic Component Troubleshooting Chart - T652, Continued.

Malfunction Circumstance Inspection or test point Replace Notes

ERROR_4_3_ High voltage supply 1. External power supply voltage is too high.

2. Turn off unit. Re-start the unit. If the message still appears, this

may be a time period of low voltage use, creating excessive voltage.

This issue often occurs in industrial areas.

3. For safety, wait until the power supply voltage drops before using

the unit.

ERROR_8_1_ Communication error at start

up

1. Cables are not connected.

2. EAC drive board is malfunctioning.

1. EAC

drive board

ERROR_8_2_

Communication error after

start up

1. Inspect for environmental interference.

2. Inspect power supply for an actual ground.

3. Replace the EAC drive board.

1. EAC

drive board

Main fuse

breaks.

Fuse breaks at start up 1. Inspect components for electrical shorts.

2. Inspect power supply for an electrical short.

3. Replace the drive board/incline/filter.

1. EAC

drive board

Main fuse

breaks.

Press the speed key; motor

rotates; fuse breaks.

1. Inspect the motor for abnormalities.

2. Replace the drive board.

1. EAC

drive board

Main fuse

breaks.

During use, main fuse

suddenly breaks.

1. Inspect the main power supply for low voltage.

Normal is 110v (N. America) or 220v (Europe) +-10%.

2. Inspect whether walk belt is excessively tight.

3. Inspect the walk belt and deck for wear. Lubricate the walk belt.

4. Inspect the fuse holder and fuse.

5. Replace the EAC drive board as a test.

1. Walk

belt

2. EAC

drive board

SERVICE

NEEDED -

APPLY LUBE

Display shows:

”SERVICE NEEDED -

APPLY LUBE ”

This lubrication prompt appears every 4000 KM. Follow lubrication

and maintenance procedures in the owner’s manual.

2-1-3

2-1. Electronic Component Troubleshooting Chart - T652, Continued.

Malfunction Circumstance Inspection or test point Replace Notes

Show total

distance

Press the <CHANGE> key three seconds

to see KM/Miles, total distance, total time,

display IC version, drive board IC version.

Contact HTR

heart rate

malfunction

FOR ACCURATE HR, HOLD

SENSORS FIRMLY WHILE

WALKING

1. Hold contact heart rate grips firmly to test

HTR function.

2. If you are already holding grips firmly,

inspect the HTR contact wire connections.

2-1-4

Troubleshooting

Model: T652

Malfunction: Safety key malfunction

Circumstance: Put the safety key in place; the display shows no reaction; “Safety key” error message appears.

Possible causes: Safety key board malfunction

Troubleshooting: 1. Inspect the safety key magnet.

2. Inspect the bridge board wire connections.

3. Test or replace the safety key board.

3-1-1

Display

Board

Bridge

board

Safety key

board

Troubleshooting

Model: T652

Malfunction: Unit will not start operating.

Circumstance: Turn POWER ON; the display does not light.

Possible cause: Incoming power issue; component failure.

Troubleshooting: 1. Inspect the main fuse and power switch.

2. Inspect all cable connections.

3. Inspect drive board power LED. Or replace the drive

board as a test.

4. Inspect the display power LED and main IC.

3-2-1

Drive

board

Display

board

Filter

Power

switch

FUSE

AC1

AC2

Fuse and

power switch

Filter

EAC drive board

組

Cables

Main program IC

Troubleshooting

Model: T652

Malfunction: Telemetry heart rate malfunction

Circumstance: Telemetry heart rate reading does

not appear or the value is incorrect.

Possible cause: 1. Telemetry heart rate batteries

2. Heart rate receiver

3. Environmental interference, for

example, lights and speakers

Troubleshooting: 1. Replace telemetry heart rate

transmitter or its batteries

2. Inspect telemetry receiver board cable

connections

3. Replace the telemetry receiver board

as a test.

3-3-1

Telemetry

HR receiver

Display

board

Transmitter

Telemetry heart rate receiver

board

Telemetry transmitter

(battery area)

Troubleshooting

Model: T652

Malfunction: Soft key malfunction

Circumstance: Press display board keys. There is no reaction, or keys operate continuously.

Possible causes: 1. Soft keys are not connected properly at the bridge board.

2. Soft keys are bad.

Troubleshooting: 1. Inspect the soft key connection at the bridge board.

2. Replace the soft keys.

3-4-1

Bridge board

Display board

Key pad

Soft keys

Soft key connector

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SportsArt Fitness T652 User manual

SportsArt Fitness T652 User manual

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