Midmark M11 - High Pressure

English-6
004-1032-00
TP210 Rev. A
© 2012 Midmark Corp. | 60 Vista Drive Versailles, OH 45380 USA | 1-800-643-6275 | 1-937-526-3662 |
Troubleshooting Chart - continued
Problem Display / Symptom Cause Check Action
[Revised: 8/15/17]
GFI Tripping
GFI Tripping. GFI is tripped. Check if GFI is tripped. Reset GFI.
Weak / Faulty GFI outlet. Check if sterilizer works on different GFI outlet. Contact an electrician to replace GFI outlet.
Voltage leak through sterilizer
components.
In service diagnostic, check all electrical
components and wire connections for
deterioration.
Secure / Clean / Replace compromised
component.
Heating element gasket leaking
Check for corrosion from moisture leak at
heating element terminals or thermostat
connections
Replace heating element gaskets
Replace damaged wire and or connection
Heating element malfunctioning. With both heater wires (J3 & J4)disconnected
from the PC board, measure
the resistance between the wire to chassis
ground.
Replace heating element.
Heats Continually/Heating
Element is glowing
in select a cycle.
Heats Continually/Heating Element is
glowing in select a cycle.
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.
Loose / Damaged wire connections. Check for crossed or shorted wire
connections at overheat thermostats.
Replace wire harness.
High Pressure
High Pressure. High Pressure during cycle. Check where in cycle error occurred. Explain Display message.
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.
Perforn Temp Sensor Resistance Test. Allow sensor
to cool to room temperature.
Temperature Sensor Resistance Test.
Replace Temperature Senser.
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.
Maintenance not performed. Verify weekly & monthly maintenance has
been performed by customer.
Refer to User Guide.
Perform monthly maintenance.
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Style A