31
Red LED
Green LED
4 time flashes
1 time flash
Outdoor unit
Did 63H
1
,operate?
NO
Defective outdoor unit PCB
Replacement (Defective 63H
1
,
input circuit)
YES
At 63H
1
operation
1. During cooling
• Is the outdoor unit fan motor operating?
• Is there no short circuit air circulation for thr outdoor
unit?
• Is there sufficient space for air inlet & outlet?
2. During heating
• Is the gas side service valve fully opened?
• Is the indoor unit heat exchanger sensor detached
from the detector case?
• Is the filter clogged?
• Is the outdoor unit fan controlled by due to defective
63H
2
?
3. During colling/heating
• Is the refrigerant charge excessive?
At 49C operation
During cooling/heating
• Isn't there insufficient refrigerant?
(Isn't there gas leakage?)
• Isn't there a missing phase (
L
1 or
L
2 phase)?
63H1, 49C operation (Only case of FDC808, 1008 type)
10
Red LED
Green LED
5 time flashes
1 time flash
Outdoor unit
Failure to open the service valve
This abnormality will be indicated only when the compressor is ON for the time after turning on the power. (Refer to page 331)
High pressure error [63H1] (Only case of FDCP208~508 type)
Outdoor unit
Red LED
Green LED
4 time flashes
1 time flash
Did 63H
1
operate?
Defective outdoor unit PCB
Replacement (Defective 63H
1
,
input circuit)
NO
YES
• Is the outdoor unit fan motor operating?
• Is there no shortcircuit in the outdoor unit?
• Is sufficient space reserved for suction or discharge?
• Is not the refrigerant charge excessive?
At 63H1 opration
9
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