Midmark M11 - Page 56

English-56
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:
C674 - continued
C674: STERILIZE MODE
PRESSURE OVERLIM
ITEMS NOT STERILE
UNPLUG / REPLUG UNIT
Gauge pressure inside chamber is
greater than 34.8 psig (240 kPa)
during STERILIZE mode.
PC Board malfunctioning.
Perform: Heating Element Supply
Voltage Test (With harness attached
to leads should have line voltage in
test mode)
Replace Main PC board.
Perform: Main PC Board Relay Test
(Check TP1 & TP2 for an acceptable range: 10
to 14 VDC)
Perform: Main PC Board Pressure
Transducer Voltage Test
(Acceptable range: 4.0 to 6.0 VDC)
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.
Error Code:
C675
C675: VENT MODE
PRESSURE OVERLIM
ITEMS NOT STERILE
UNPLUG / REPLUG UNIT
Gauge pressure inside chamber is
greater than 34.8 psig (240 kPa)
during VENT mode.
Chamber filter clogged. Check if chamber filter is clogged. Clean / Replace filter.
(Clean with Speed-Clean and brush)
Vent valve. Inspect vent valve.
(Clean valve, stretch spring)
Clean / Replace vent valve.
With the sterilizer in the Vent Mode...
Perform: Vent Valve Testing
(The valve is normally open, and
should not be energized during
the Vent mode).
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.
PC Board malfunctioning.
Perform: Heating Element Supply
Voltage Test (With harness attached
to leads should have line voltage in
test mode)
Replace Main PC board.
Perform: Main PC Board Relay Test
(Check TP1 & TP2 for an acceptable range:
10 to 14 VDC)
Perform: Main PC Board Pressure
Transducer Voltage Test
(Acceptable range: 4.0 to 6.0 VDC)
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.
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Style A