Midmark M11 - Page 10

English-10
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
Low Water
WATER LOW Reservoir water level is low. Check water level in reservoir. Add distilled water to the reservoir until
water reaches appropriate level.
Press STOP button, then initiate a new cycle.
Chamber filter clogged. Check if chamber filter is clogged. Clean / Replace filter.
(Clean with Speed-Clean and brush)
Water Level sensor malfunctioning /
dirty.
Inspect water level sensor. Clean / Dry water level sensor.
(Clean with Speed-Clean and scotch bright pad)
Loose / damaged wire connections.
(Check wire connections and all grounded
locations)
Secure / Repair loose or damaged
connections.
Perform: Water Level Sensor Test
Replace water level sensor.
Air valve malfunctioning / dirty.
With door open and door switch engaged,
initiate fill cycle to verify if filling.
If yes- air valve malfunctioning / dirty.
Perform: Air Valve Test
If no- Refer to: Fill Valve malfunctioning /
dirty.
Clean / Replace air valve.
Fill valve malfunctioning / dirty. Inspect fill valve / related tubing for
restrictions.
Clean / Replace fill valve.
Inspect two wires connecting the fill valve
and PC board (W3 / W4 on PC board) for
damage and/or loose connections.
Secure / Repair loose or damaged
connections.
With the sterilizer in the Fill Mode & door
switch engaged…
Perform: Fill Valve Continuity Test
Clean / Replace fill valve.
PC Board malfunctioning.
Verify voltage to Fill Valve.
Perform: Fill Valve Supply Voltage Test
Replace Main PC board.
Chamber is dirty or corroded. Inspect the bottom of the chamber. Clean bottom of the chamber with
Speed-Clean and distilled water or water that
meets the referenced water purity
specifications in User Guide.
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.
Maintenance message is
displayed - Monthly
PERFORM MONTHLY
MAINTENANCE
Sterilizer software detects it has
been 28 days since initial start up, or last
monthly maintenance.
Refer to User Guide for monthly
maintenance procedures.
Perform monthly maintenance procedures.
(Note: Initiating a new cycle will clear the
maintenance message)
Maintenance message is
displayed - Weekly
.
PERFORM WEEKLY
MAINTENANCE
Sterilizer software detects it has
been 7, 14, or 21 days since initial start
up, or last monthly maintenance.
Refer to User Guide for weekly maintenance
procedures.
Perform weekly maintenance
procedures.
(Note: Initiating a new cycle will clear the
maintenance message)
No Audible Tones
Sterlizer functions
No Audible Tones.
Sterlizer functions.
PC board not seeing one of the ribbon cables.
Check connection of ribbon cables at all points. Disconnect and reconnect ribbon
cables in each location several times.
PC Board Malfunctioning. Check if tones do not return. Replace Main PC board.
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Style A