Midmark M3 Steam Sterilizer provides fast, reliable sterilization of dental instruments, handpieces, and other dental equipment. It features three sterilization cycles for unwrapped instruments (3:30 min), pouches (5:30 min), and low-temperature items (20 min), with drying times ranging from 25 to 50 minutes. Ensure sterilization success by using distilled water and following the manufacturer's guidelines for loading the tray.
Midmark M3 Steam Sterilizer provides fast, reliable sterilization of dental instruments, handpieces, and other dental equipment. It features three sterilization cycles for unwrapped instruments (3:30 min), pouches (5:30 min), and low-temperature items (20 min), with drying times ranging from 25 to 50 minutes. Ensure sterilization success by using distilled water and following the manufacturer's guidelines for loading the tray.
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STANDARD CYCLE PARAMETERS
OVER FOR M3 CARE AND MAINTENANCE
Operating Your M3 Steam
®
Sterilizer
(Refer to the User’s Guide for detailed safety and operating instructions).
WEEKLY
1. Turn Power Switch ON (I)
Power switch is located below
power cord inlet.
2. Fill Reservoir
3. Load Tray
When pouched items are being used, they
should be placed lengthwise with plastic
side of pouch facing up. Refer to ‘Loading
the Tray’ section in the User’s Guide
for more specific instructions.
4. Press Desired Cycle Button
Refer to ‘Standard Cycle
Parameters’ chart below for
cycle time & temperature.
5. Press <Start> Button
Power Switch
TROUBLESHOOTING / ERROR CODES
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ATTENTION: Before sterilizing any items in the M3, refer to ‘Loading the Tray’ in the User’s Guide.
Unwrapped
Pouches
Low Temp
The most common, maintenance-related error codes are identified below. If the error code persists
after performing the corrective action, or if you encounter an error code not identified, contact your
authorized service provider.
POUCH
POUCH
POUCH
POUCH
POUCH
POUCH
POUCH
POUCH
WARNING
Failure to comply with these
guidelines may adversely affect
sterilization and/or drying.
Cycle Buttons
ERROR CODE PROBABLE CAUSE CORRECTIVE ACTION
C010
Sterilizer lost power during cycle. Press <Stop> button, then restart cycle.
C100-series (all)
(C101, C102, etc)
<Stop> button was pressed dur-
ing cycle.
Press <Stop> button, then restart cycle
C231
C232
Not enough water in reservoir to
complete cycle.
Fill reservoir with distilled water or water
that meets the water purity specifications
in the User’s Guide.
C441
C442
External condensing tank is full Empty tank.
C533, C633
Water pump needs primed. Put the sterilizer in the User Diagnostic
Mode and prime the pump. (pg 34)
Use distilled water only or water that
meets the water purity specifications in
the User’s Guide!
Do not fill above lower lip of fill port.
CYCLE STERILIZATION
PARAMETERS
DRY TIME ITEMS TO BE STERILIZED
T
emperature:
270°F (132°C)
Pressure:
27.1 psi (186 kPa)
Time:
3:30 minutes
Time:
25 Minutes
• Dental instruments / handpieces loose on a tray.
• I t e m s m a n u f a c t u r e r s r e c o m m e n d f o r e x p o s u r e
at 270°F (132°C), loose on a tray.
Temperature:
270°F (132°C)
Pressure:
27.1 psi (186 kPa)
Time:
5:30 minutes
Time:
30 Minutes
• D e n t a l i n s t r u m e n t s / h a n d p i e c e s i n p o u c h e s ,
wrapped, or in a wrapped cassette.
• I t e m s m a n u f a c t u r e r s r e c o m m e n d f o r e x p o s u r e a t
270°F (132°C), in pouches, wrapped, or in a
wrapped cassette.
Temperature:
250°F (121°C)
Pressure:
15.0 psi (104 kPa)
Time:
20:00 minutes
Time:
50 Minutes
• Rubber or plastic dental devices, dental
instruments / handpieces loose on a tray or in a
wrapped or unwrapped cassette.
• Items manufacturers recommend for exposure at
250°F (121°C), loose on a tray, in pouches,
wrapped, or in a wrapped or unwrapped
cassette.
Level Sensors
Filter
Release
Lever
Caution
Water may be HOT!
Door Gasket
Midmark Corporation
60 Vista Drive
Versailles, Ohio 45380-0286
937-526-3662
Fax 937-526-5542
www.midmark.com
004-0518-00 Rev.AA1 6/27/18
To activate warranty:
Visit www.Midmark.com
(*Midmark recommends product registration
for all Class II devices.)
Caution
Allow unit to cool before cleaning.
Operating Your M3 Steam
®
Sterilizer
(Refer to the ‘Maintenance’ section of the User’s Guide for further details of scheduled care).
DAILY
1. Clean External Surfaces / Tray & Chamber
A. Wash unit according to your facility’s procedure for Clinical Contact Surfaces
noting the following:
(Use only quaternary disinfectants to disinfect unit. Staining, pitting, discoloration, or
softening could occur if phenolic, iodophor, or glutaraldehyde-based disinfectant is used
on plastic surfaces of the unit. Also, use of alcohol or aerosol spray cleaner / disinfectant
containing substantial amounts of alcohol in the formula can damage the faceplate.)
B. Wring excess solution from cloth.
C. Using soft cloth, wipe all external surfaces.
D. Follow the instructions provided with
cleaner / disinfectant regarding rinsing and
drying of external surfaces.
2. Clean Door Gasket / Mating Surface
A. Wash with a damp cloth.
B. Inspect gasket for damage.
C. Replace gasket if necessary.
PERIODICALLY
1. Drain / Refill Reservoir
A. Place open-end of drain hose into container or sink.
B. Connect adapter-end of drain hose to coupling.
C. Once water has drained, press release lever and remove hose.
D. Return drain hose to storage location.
E. Refill reservoir with distilled water or water that
meets the water purity specifications
in the User’s Guide!
2. Empty / Clean External Condensing Tank
A. Empty water from tank. (Do not reuse water!)
B. Clean tank with diluted bleach solution
(1/4 cup bleach : 1 gallon water)
and a brush.
C. Rinse tank thoroughly.
D. Fill tank (with water) to min.
water level indicator line.
1. Clean External Condensing Tank Level Sensors
A. Clean two level sensors with mild soap solution.
(Sensors are located on bottom of tank lid)
B. Wipe dry.
2. Remove & Clean Filter
A. Wash with mild soap solution. (If necessary, use
a stiff brush or place in ultrasonic cleaner).
B. Rinse with distilled water or water that meets the water purity
specifications in the User’s Guide.
Note
External condensing tank is not needed if
connected to a VistaCool direct-to-drain
thermal reduction system.
MONTHLY
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1
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2
Midmark M3 Steam Sterilizer provides fast, reliable sterilization of dental instruments, handpieces, and other dental equipment. It features three sterilization cycles for unwrapped instruments (3:30 min), pouches (5:30 min), and low-temperature items (20 min), with drying times ranging from 25 to 50 minutes. Ensure sterilization success by using distilled water and following the manufacturer's guidelines for loading the tray.
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