Caution for Diagnosis
Si12-714
170
Service Diagnosis
1. Caution for Diagnosis
1.1
Troubleshooting with Operation Lamp
The operation lamp flashes when any of the following errors is detected.
1. When a protection device of the indoor or outdoor unit is activated or when the thermistor
malfunctions, disabling equipment operation.
2. When a signal transmission error occurs between the indoor and outdoor units.
In either case, conduct the diagnostic procedure described in the following pages.
Location of
Operation Lamp
In case of
In case of
FTKD 25/35 D Series
FTK(X)E 25/35 B
In case of
FTK(X)D 50/60/71 F Series
In case of
CDK(X)D 25/35/50/60 C Series
CDK(X)D 25/35 E Series
(R4298)
ON/OFF
OPERATION lamp (green)
(R4876)
Operation lamp (Green)
(R6332)
OPERATION lamp (green)
OPERATION lamp (green)
(Q0340)
