Part 5. Trouble Shooting
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Turn on the main power.
When in air circulation mode, compressor/outdoor fan is stopped.
Check the sensor for Indoor temperature is attatched as close as to be effected by the
themperature of Heat Exchange (EVA.)
Operate Cooling Mode by setting the disired temperature of the remote controller is less
than one of the Indoor temperature by 1°C at least.
6.3 The Compressor/Outdoor Fan are don't operate
6.2 The Product doesn't operate with the remote controller
Turn on the main power
Yes
No
A "Beeping" sound is made
from the indoor unit
* Refer to 6.1
* Check the voltage of power
(AC208/230V,60Hz).
Is it possible to turn on the unit
by ON/OFF button on display?
Yes
No
Is the remote controller
working properly?
Yes
* When the mark ( ) is displayed
in LCD screen, replace battery.
No
* Check the contact point of CN-DISP 1, 2 connector & Re connector.
* Check display PCB Assembly
- Voltage between CN-DISP1 - should be DC +5V,
- If problem still persists, Replace display PCB
3 6
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