41
TROUBLESHOOTING
If the following unit malfunction occurred, please follow the below simple checking step to fix :
Symptom
Analyses
Solution
Compressor stop
and fan work
normally
Indoor temperature is higher (heating) or lower (cooling) than
setting temperature
Re – set up the temperature
When heating and defrost mode, indoor unit is just running
Wait for 10minutes
Units do not work
Power is not on
Check and connect the power
Set up the re-start function
Wait or cancel timer On
Fuse broken in main power supply
Replace the fuse
Cooling or heating
not enough or too
much
Air filter too dirty
Clean or replace the filter
Barrier at return air
Remove the barrier
Remote controller
unreadable
Low battery
Replace the battery
Wrong installation of battery
Install properly
Condensing water
in front panel
Humidity too high
Dehumidify
Setting temperature too low
Set up the higher indoor temperature
• If user unable to fix the problem, please contact the local service agent for assistance, meanwhile record the malfunction code
by wired controller and indication light of units self-checking function. Following is the malfunction code could display in the
wired controller. Indication light twinkle related to the code of malfunction.
• When a wired controller is used for control, it displays fault codes. The following table provides fault codes on the wired
controller and lamp panel. When the PC software is used to monitor operating of the inverter air conditioner unit, the PC
directly displays these fault causes. These codes make maintenance rather convenient, saving both time and expense. In
addition, faults of the outdoor unit are also displayed on the digital tube of the outdoor unit control board. When characters in
the table are displayed on the digital tube, see Basic Character Legends for Reference. (pg. 40)
Содержание A5VCC-V Series
Страница 31: ...30 Bottom air return plenum Free stream air return plenum Air Outet Air Inlet...
Страница 35: ...34 WIRING DIAGRAM...
Страница 36: ...35...
Страница 37: ...36...
Страница 38: ...37...