Midmark M11 - Page 45

English-45
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:
C645
C645: VENT MODE
PRESSURE HIGH
ITEMS NOT STERILE
PUSH STOP TO RESTART
Absolute pressure inside chamber
is greater than 0.7 psig (5 kPag)
for longer than 10 minutes.
(i.e. Vent mode is not complete)
Maintenance not performed. Verify weekly & monthly maintenance
has been performed by customer.
Refer to User Guide.
Perform monthly maintenance.
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.
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.
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.
Error Code:
C647
C647: DRY MODE
PRESSURE HIGH
PUSH STOP TO RESTART
Gauge pressure inside chamber is equal to
or greater than
2.18 psi (15 kPa) during DRY mode,
or 0.7 psi (5 kPa) during DOOR mode.
If Door did not open before DRY mode....
Door spring missing / damaged. If the door motor releases the latch,
but the door remains closed, Inspect
door spring for damage.
Replace door springs.
Verify if door is at the vented position.
(Push in on door with out lifting handle)
Verify the QTY of door springs.
(M11- QTY 2, M9-QTY 1)
Verify door springs are at a 45 degree angle. Place door spring at a 45 degree angle.
Chamber filter clogged. Check if chamber filter is clogged. Clean / Replace filter.
(Clean with Speed-Clean and brush)
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