Kenmore 110.42822200 User Manual page 42

ERROR CODES
Drive Motor Tachometer Error
The control is unable to properly detect motor speed and the machine will shut down.
lf a failure occurs during high-speed spin the door will be unlocked after 3 minutes.
PotentialCauses
.
Check wire harness connections between the Drive Motor and the Motor Control
Unit (MCU), and between the MCU and the CentralControl Unit (CCU)
.
Replace the Drive Motor
.
Replace the MCU
.
Reolace the Wire Harness
Motor Control Unit Error
The Central Control Unit has detected a short in the molor control unit. lf a failure
occurs durrng high-speed spin the door will be unlocked after 3 minutes.
PotentialCauses
.
Check wire harness connections between the Drive Motor and the Motor Control
Unit (MCU), and between the MCU and the Central Control Unit (CCU)
.
Replace the MCU
.
Reolace the Drive Motor
.
Reolace the Wire Harness
Overflow Condition
ll the Overflow contact on the Dressure switch is Closed for more than 60 seconds
an Ovedlow condition will occur. In an Overflow condition, the Door will remain
locked, and the Drain Pump will run constantly, even if PAUSE/CANCEL
is pressed
twice and the Display is cleared. Unplug the unit to service.
PotentialCauses
.
Check the drain hose and make sure it is not plugged or kinked
.
Check Wire Harness connections to the Drain Pump, Pressure Switch, and
Central Control Unit (CCU)
.
Checl</ Clean Drain Pump Filter of foreign objects
.
Check for Drain Pump Failure
.
Check the Inlet Valve for proper shut off
.
Check the Pressure switch for proper operation
Motor Control Unit (MCU) Heat Sink ThermalTrip
lf the thermal protector on the MCU heat sink gets too hot, it will open the thermal
protector on the heat sink which will stop motor f unctions and an "F110" will be
displayed.
PotentialCauses
.
Check for Proper Installation, verify the unit is not located near a source of heal
and has proper ventilation.
.
Check Wire Harness connections to the MCU, the motor, and Central Control
Unit (CCU)
.
Check the Drive system for any worn or failed components
.
Replace MCU
.
Replace Motor