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91
SECTION 11: Quick Reference Troubleshooting Guide
COMPLAINT
CONDITION
CAUSE
ERROR CODES
EL
Compartment Thermistor: Open or
shorted (no audible tone).
Broken / Worn / Shorted thermistor: Check
resistance (Ohm) and replace.
Ed
Defrost Thermistor: Open or shorted
(no audible tone).
Broken / Worn / Shorted thermistor: Check
resistance (Ohm) and replace.
EL / Ed
Multiple Thermistor Failures: Open or
shorted (no audible tone).
Broken / Worn / Shorted thermistor: Check
resistance (Ohm) and replace.
ALARMS
Door Ajar
“Door Ajar” will flash on Display (with
audible tone.)
Appliance door has been open or ajar for a
period of 5 + minutes. Close door or press
ON/OFF key to reset.
Power Failure
“Power Failure” will flash on Display (no
audible tone).
Internal / External related supply power
disturbance. Press ON/OFF key to reset.
Temperature
Compartment is 10 + degrees higher /
lower than Set Point for longer than 1
hour.
Electrical / Mechanical / Installation related.
Alarm will sound every 60 seconds>Press
ON/OFF key to reset. Alarm will continue
until cause is corrected.
MISC
Unit does not operate.
Lack of power to the unit or display.
Check power to the appliance and power at
the main power board.
Display Blank
Lack of power/ Display off/ Faulty
display.
Attempt to turn on display/ Check for
incoming power to appliance and display.
Compartment temperature to
cold.
Faulty thermistor/ Compartment Fan
Failure / System failure.
Check resistance (Ohm) and replace
compartment thermistor.
Compartment temperature to
warm.
Product not Stabilized/ Faulty
Thermistor/ Electrical or Mechanical
failure.
Stabilize 24 hours/ Check resistance (Ohm)
and replace thermistor/ Check fan / Look for
leak or restriction.
Compressor does not run.
No Power to compressor/ Faulty
compressor or overload -relay/ Faulty
main power board.
Bad main power board/Check compressor
windings/Check overload and relay.
Compressor runs but doesn't
cool.
Mechanical failure
System Leak
Compressor hot/ tripping.
Faulty compressor windings, overload,
relay.
Shorted or grounded compressor windings,
overload, and relay.
Excessive frost/ice build- up on
evaporator.
Excessive door/drawer openings or
Mechanical failure.
Customer education/ Restriction/
Overcharge.
Uneven frost pattern on
evaporator.
Mechanical failure
System leak/ Restriction
Condensate on face of
gaskets/mullion/doors.
High Humidity
Check repair / replace gaskets, Adjust
doors/drawers.
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