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Fault
Code
Description
Cause / Action or Check
F2
Communication Failed
User Interface control unable to communicate
with machine control
F3
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Inverter not detected on inverter equipped
model
F5
Inverter Found On Incorrect MC
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correctly
F6
Wireless Module (On some models)
Communication lost with wireless module
F16
High Water Temperature
Check thermistor (replace as needed), replace
MB
F33
Door Switch Error
Check door switch and wiring
F34
Leak Pan Detected Error
Check for water leak in the
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F36
CSM Tripped
See On the Main Control Board CSM section of
this guide
F48
Turbidity Sensor High
Check turbidity sensor harness, replace sensor
F49
Turbidity Sensor Low
Check turbidity sensor harness, replace sensor
F50
Temperature Sensor High
Check thermistor and harness, replace MB
F51
Temperature Sensor Low
Check thermistor and harness, replace MB
F52
Turbidity Sensor Calibration Failure
Check turbidity sensor and harness
F64
Inverter Error Received
Check inverter and harness
F65
Inverter No Water Detected
Check inverter and harness
F80
Absent Water Flow (turbidity based)
Check turbidity sensor harness, replace sensor
F96
No Water In Tub (turbidity based)
Check turbidity sensor harness, replace sensor
F97
Absent Heat Source
Check heater and thermistor
F98
Non-draining Sump (turbidity based)
Check drain pump operation, turbidity sensor
harness, replace sensor
F99
Minimum Wash Temp Not Met
Check heater and thermistor
F112
Key Stuck
Check buttons, console and light pipe, replace UI
F128
Low Rinse Aid
Fill rinse aid tank
F144
Inverter Error Detected
Check harnessing, replace inverter
F145
Inverter has detected incorrect AC
Voltage
Check house voltage, harnessing, then replace
inverter if all is OK
F146
Circulation Pump Error
Check harnessing, and replace the circulation
pump if needed
F147
Drain Pump Error
Check harnessing, replace drain pump if needed
F148
Open TCO in circulation or drain motor
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F149
Poor connection or harness to inverter
Check connections and harness, replace inverter
if needed
Top Control LCD Models
