Midmark M11 - Page 13

English-13
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
Pouches / Packs Hot
- continued
Pouches / packs appear discolored
after cycle is complete.
Pressure Leaks. Check for loose / worn door and dam
gaskets or water leaking around door.
Verify door and dam gaskets are installed
properly. (Replace gasket kit 1x year)
Clean / Replace gaskets.
Replacement fill / vent valve solenoid
requires rectifier harness for DC coil.
Install rectifier harness.
Check for voltage flow through rectifier
harness. Refer to:
Fill / Vent Valve Supply Voltage Test
Replace rectifier harness.
Leaking or defective vent valve.
(Check for water leaking from condensing
coil spout) Perform: Vent Valve Test
Clean / Replace vent valve.
Leaking or defective fill valve. Check for
water leaking back into reservoir thru the
fill line. (Look for bubbles coming from
bottom of reservoir) Perform: Fill Valve Test
Clean / Replace fill valve.
Leaking or defective air valve. Check for
excessive steam coming thru condensing
coil spout. NOTE: During the HEAT & VENT
modes, it is normal for steam to be
exhausted thru the spout.
Clean / Replace air valve.
Leaking or defective pressure relief valve.
Check for water / steam leakage from
beneath the rear of the sterilizer.
Perform: Pressure Relief Valve Test
Replace pressure relief valve.
Pressure transducer tubing leaking.
Check for steam leakage at pressure
transducer tubing connections.
Secure pressure transducer tubing
connections with high temperature cable ties.
Check all plumbing fitting connections for
leakage.
Tighten or replace fittings.
Heating element malfunctioning.
Inspect heating element. Heating element
should lay flat in the bottom of the chamber.
Heating Element should be free of any
flaking / pitting. Perform: Heating Element
Resistance Test (should read 9-11 Ω)
Replace heating element.
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.
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.
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