SERVICE MANUAL
THE FLASHING LED IS ON, AND THE UNIT DOES NOT OPERATE
Check electrical connections
and cable continuity.
YES
Check safety micro floating (MS)
NO
Replace safety micro floating (MS)
YES
Check condensate pump motor
NO
Replace condensate pump motor
(PC)
(PC)
YES
Check pump relay (RP)
NO
Replace pump relay (RP)
YES
Replace safety relay (RS)
COMPRESSOR DOES NOT WORK BUT FAN MOTOR OPERATES NORMALLY.
Check hardness and continuities.
Have 3 minutes time delay
Wait for about 3 minutes
Is relay compressor coil power
NO
already elapsed since"on"
NO
supplied (RC) ?
operation ?.
YES
YES
Replace
NO
Check if relay
Is the thermostat properly
NO
Properly adjust
relay(RC)
contact is closed
set?
thermostat position.
YES
YES
Replace
NO
Check if
Is it properly fitted? It could
NO
Fit it properly,
klixon(K)
compressor
be fitted inversely.
klixon is open
YES
YES
Replace
NO
Check
Is the rom temperature over
NO
Below 15 °C the unit
compressor.
compressor
15 °C
cannot work.
capacitor
capacitor(C)
YES
YES
Replace
NO
Check
Check sensor continuity of
NO
Replace sensor (TH)
compressor.
compressor
(TH) CE terminal blocks.
winding continuity
YES
Check electronic control.(CE)
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