Specifications

894
FDC-HKX
11
Error display :
e39
[Defective discharge gas thermistor]
12
Error display :
e40
[63H, motion]
Indoor unit
Red LED
Green LED
Stays OFF
Keeps flashing
Red LED
Green LED
1 time flash
(1)
Keeps flashing
Outdoor unit
Note (1) Single flashing of outdoor unit LED indicates Th
0
-1 and double flashing
indicates Th
0
-2.
Indoor unit
Red LED
Green LED
Stays OFF
Keeps flashing
Red LED
Green LED
1 time flash
Keeps flashing
Outdoor unit
Temperature [T] (°C)
T
<
80°C
T
>
80°C
100
50
0
10
5
0
05020 80 100 120
Is the
discharge gas thermistor
connector connection
OK?
NO
YES
Repair
Are the discharge
gas thermistor characteristics
OK, is there no
broken wire?
Defective discharge gas
thermistor Replacement
NO
YES
Defective outdoor unit PCB
Replacement (Defective dis-
charge gas thermistor input
circuit)
Temperature-resistance
characteristics of discharge
gas thermistor (Th
O-D )
Thermistor resistance
(kΩ)
[T
<
80°C]
Thermistor resistance
(kΩ)
[T
>
80°C]
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 valce 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?
Note (1) When the wire of 63H1 is broken from the moment of power on, the error E40 is displayed 40 minutes later.
If the operation is started in this period of time, the operation changes to the thermostat OFF state during cooling, and cool
wind blow stops during heating operation.