Midmark M11 - Page 20

English-20
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:
C326 - continued
C326: DOOR MODE
DOOR CLOSED
OPEN DOOR
Door switch indicates that the door
remains closed one second after door
motor has attempted to open door.
Door switch / PC board
malfunctioning.
Note: Test switch with the door OPEN
and CLOSED.
Replace door switch.
Perform: Door Switch Continuity Test.
With door closed, disconnect door switch
wires from J1 & J2 of Main PC board.
Place meter probes on door switch wires.
If Continuity is not present replace door
switch. Refer to: Door Switch Continuity Test
Check supply voltage from PC board.
(Line voltage 120 or 230 VAC)
Refer to:
Door Switch Supply Voltage Test
Replace Main PC board.
Door switch activation tab
obstructed.
Check for full movement of activation tab. Remove any obstruction.
Residual pressure in chamber. Check for chamber pressure when
door motor is energized.
Clear any restriction that could prevent
chamber pressure from reaching the
pressure transducer on PC board.
Check the load size. (Refer to User Guide) Verify
that nothing is touching or crowding
the temperature sensor.
Reduce load size.
If pressure is above 0.72 psi (5 kPa), check for
blockage in the pressure sensor tubing between
the PC board and the chamber.
Clear blockage / replace pressure
transducer tubing.
Check if chamber filter is clogged. Clean / Replace filter.
(Clean with Speed-Clean and brush)
Error Code:
C382
C382: FILL MODE
DOOR OPEN
ITEMS NOT STERILE
CLOSE DOOR
Door switch contacts opened during
Fill Mode.
Check with operator to determine if
door was opened during fill mode.
Close door. Cycle will continue where
it left off.
Door / Dam gasket(s). Inspect door / dam gaskets for proper
installation and any signs of sticking.
Install door / dam gaskets properly.
If new gasket, check if wire ring in
gasket is preventing gasket from fully
being seated.
Temporarily remove wire ring.
Re-install wire ring after gasket is fully
seated.
Door switch activation tab
obstructed.
Check for full movement of activation tab. Remove any obstruction.
Tray rack / tray plate not installed
properly.
Inspect tray rack / tray plate for proper
installation. (The 45 degree angled end
of tray plate must be positioned upward
and to the back of the chamber)
Install tray rack / tray plate properly.
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