Midmark M11 - Page 42

English-42
004-1032-00
TP210 Rev. A
© 2012 Midmark Corp. | 60 Vista Drive Versailles, OH 45380 USA | 1-800-643-6275 | 1-937-526-3662 |
[Revised: 8/15/17]
Troubleshooting Chart - continued
Problem Display / Symptom Cause Check Action
Error Code:
C634 - continued
C634: STERILIZE MODE
PRESSURE LOW
ITEMS NOT STERILE
UNPLUG / REPLUG UNIT
Temperature sensor malfunctioning. Check for residue build up on temperature
sensor probe.
Clean sensor probe with Speed-Clean,
distilled water, and abrasive pad.
Check that nothing is touching or crowding
the temperature sensor.
(Example: trays, pouches, cassettes, etc.)
Reposition items so nothing touches or
crowds the temperature sensor.
Perform Temperature Sensor
Resistance Test. Allow sensor to cool to
room temperature before testing.
Acceptable range 1.07-1.1K Ω.
Refer to:
Temperature Sensor Resistance Test
Replace temperature sensor.
Perform Temperature Sensor Supply
Voltage Test. Disconnect sensor
harness from J12 on PC board.
On pins 1 & 2 acceptable range is
4.0 - 6.0 VDC. Refer to:
Temperature Sensor Supply Voltage Test
Replace Main PC board.
Sterilizer is unlevel.
(remove tray / trays)
Verify support surface is level. Place sterilizer on a level support surface.
Verify water on all sides of chamber
are equal.
Facility voltage too high / low. Test facility supply voltage.
Voltage must be...
115V models: 104 - 127 VAC 50/60 Hz
230V models: 207 - 253 VAC 50/60 Hz
Contact an electrician to modify voltage.
Error Code:
C642
C642: FILL MODE
PRESSURE HIGH
ITEMS NOT STERILE
PUSH STOP TO RESTART
Defective Air valve. Leaking or defective air valve.
Perform: Air Valve Test
Check for excessive steam coming
thru condensing coil spout.
Clean / Replace air valve.
Restricted Condensing Coil. Check for blockage in coil and assure weep hole
is present and not obstructed.
Clear blockage / replace condensing coil.
Pressure tubing at incorrect angle. Check tubing for restrictions and
ensure tubing is angled down and
away from the PC Board.
Adjust pressure tubing to correct angle.
Blockage or malfunction in
VistaCool System if used.
Check for debris or blockage in the
tubing / fittings to the VistaCool System.
Clean / Replace as required.
Check operation of In-Iine Thermal
Sensor.
Replace Thermal Regulator Wax Motor
or Thermal Sensor.
Check for weep hole in the manifold lid and
threaded area on the tank of the VistaCool System.
Drill hole in VistaCool manifold and threaded
area on the tank.
The 90 degree elbow fitting(s) are
not installed.
Check if the 90 degree elbow
fitting(s) are installed on the tank.
Install the 90 degree elbow fitting(s).
Tank is lower than the facility drain. Check if tank is higher than the facility drain. Install the tank higher than the facility
drain.
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Style A