Troubleshooting Tips - Carrier 42HQE018 Owner's Manual

42HQE009 / 012 / 018 / 022

Troubleshooting tips

Malfunctions and Solutions
Stop the air conditioner immediately if one of the following faults
occur. Disconnect the power and contact the nearest customer
service center.
TROUBLE:
• RUNNING indicator or other indicators flash rapidly (5 times every
second) and this flash can't be fixed by disconnecting the power,
and then connect it in again.
• Fuse blows frequently or circuit breaker trips frequently.
• Other objects or water penetrate the air conditioner.
• The remote controller won't work or works abnormally.
• Other abnormal situations.
Malfunctions / Cause /
WHAT SHOULD BE DONE
Unit does not start:
• Power cut.
WAIT FOR POWER TO BE RESTORED
• Unit may have become unplugged.
CHECK THAT PLUG IS SECURELY IN WALL RECEPTACLE
• Fuse may have blown.
.
REPLACE THE FUSE
• Battery in Remote controller may have been exhausted.
.
REPLACE THE BATTERY
• The time you have set with timer is incorrect.
.
WAIT OR CANCEL TIMER SETTING
Unit not cooling or heating (Cooling/ heating models only)
room very well while air flowing out from the air conditioner
• Inappropriate temperature setting.
.
SET TEMPERATURE CORRECTLY
FOR DETAILED METHOD PLEASE REFER TO
• Air filter is blocked.
.
CLEAN THE AIR FILTER
• Doors or windows are open.
.
CLOSE THE DOORS OR WINDOWS
• Air inlet or outlet of indoor or outdoor unit has been blocked.
CLEAR OBSTRUCTIONS AWAY FIRST
• Compressor 3 minutes protection has been activated.
.
WAIT
If the trouble has not been corrected, please contact a local
dealer or the nearest customer service center.
Be sure to inform them of the detailed malfunctions and unit
model.
Notes:
Do not attempt to repair the unit yourself.
Always consult an authorised service provider.
GB - 14
?
.
.
" "
USING REMOTE CONTROL
, .
THEN RESTART THE UNIT
.
SECTION