9
TROUBLESHOOTING GUIDE
Trouble
Possible Cause
Solution
Error Code: E1 Copper head sensor failure
Replace it
Error Code: E2
Air inlet temperature and humidity
sensor failure
Replace
Error Code: E3
Air outlet temperature and humidity
sensor failure
Replace
Error Code: E4 Water pump failure
Ensure drain hose is not
blocked, and connected to
back of unit (unit will not
pump unless hose is
connected)
Ensure internal hose from
pump to fitting is not
restricted by clamp
Test/replace water pump
Error Code: E5 4-way valve failure
Replace it
Cautions:
If unit malfunctions turn off the unit and unplug it immediately.
Please contact your distributor for service issues.
Do not dispose of electrical appliances in local landfills, or
municipal waste locations. Many parts are recyclable. Contact
your local government for information regarding the
collection systems available in your area.
