Fault 
Code 
Hex
Name Description Repair Action
12 Door Unlock Error Door fails to unlock 
after more than 3 
attempts.
•  Check for door closing properly or warped 
door.
•  Check for broken or deformed door latch.
•  Check door lock and wiring.
13 Flow Meter Error The water volume 
as read from the 
fl ow meter has not 
increased by 1.0 liters 
within 10 seconds after 
the fi ll has started.
•  Check house water supply and proper water 
pressure.
•  Check for kinked hoses.
•  Check hose and water valve screens.
• Check fl ow meter and fl ow meter wiring.
14 Recirculation Pump 
Error
The frequency of the 
pressure sensor did 
not change while the 
recirculation pump was 
in operation.
•  Check drain pump clean out.
•  Check recirculation pump in service mode.
68 Pressure Sensor 
Out of Range
Pressure sensor value is 
> 47 hz or < 35 hz.
•  Replace pressure sensor.
•  Replace IMC board.
6A Thermistor Open Thermistor resistance 
too high.
•  Check for open thermistor harness.
•  Check thermistor resistance.
• Replace thermistor.
•  Replace IMC board.
6B Thermistor Short Thermistor resistance 
too low.
•  Check for shorted thermistor harness.
•  Check thermistor resistance.
• Replace thermistor.
•  Replace IMC board.
70 Target Volume 
Overfl ow
Target fi ll volume is 
greater than the MAX 
fi ll volume.
•  Replace UI board.
72 Inverter Spin 
Redundancy
IMC detected basket 
rotation while the door 
was either unlocked or 
opened.
•  Check door switch wiring.
•  Replace door lock assembly.
•  Replace IMC board.
C9 IMC Fault IMC Fault •  If fault persists, or unit does not spin, replace 
IMC board.
CA IMC Fault IMC Fault •  If fault persists, or unit does not spin, replace 
IMC board.
CB DC Bus Brownout DC bus voltage too low. •  Check AC line voltage is correct.
•  If fault persists, or unit does not spin, replace 
IMC board.
Faults 12-CB