TROUBLE SHOOTING GUIDE
1. Error Codes
The 2
nd
Defrosting Temperature Sensor Fault
Press any button on the
control panel will eliminate
the audio alert. The
dehumidifier can still work
to dehumidify.
The 1
st
Defrosting Temperature Sensor Fault
Inlet Temperature Sensor Fault
The 3
rd
Temperature Sensor Fault
The 4
th
Temperature Sensor Fault
Power Phase Fault (Missing phase or Reverse
phase)
After troubleshooting,
unplug the dehumidifier and
then re-plug it in to
eliminate the alert.
Compressor Current Overload Fault
Fan Current Overload Fault
The water bucket of the pump is full
You are unable to control
the dehumidifier via the
control panel.
2. Reset
Please try the below steps to reset the dehumidifier:
1) Turn the dehumidifier off;
2) Press and hold both the TIMING/FUNCTION button and UP button for 3 seconds, until dF
flashes on the LCD screen;
3) Press the TIMING/FUNCTION button once;
4) Wait for 5 seconds before any other operations.
3. Troubleshooting Chart
The below chart will help you solve common problems that may occur. If the problem you come
across can not be fixed after troubleshooting or the problem is not listed in the below
troubleshooting chart, please contact COLZER customer service to obtain professional support at