High - Daikin FTN25JXV1 Technical Manual

Troubleshooting
LED Indicator Lights: Normal Operation and Fault Conditions for Cooling Unit FTN80F
Power
Dry
1 time
2 times
3 times
ON ON or OFF
LED Indicator Lights: Normal Operation and Fault Conditions for Heat Pump Unit FTYN80F
Cool
Dry Fan
ON ON or OFF
55
Timer Sleep
Timer on
Sleep mode on
Dry mode
Frost prevention
Room air sensor contact loose/
short
Indoor coil sensor contact loose/
short
Sensor contact problem,
compressor overload protection
trip or gas leak
Blinking
Heat Sleep
Cooling mode
Dry mode
Fan mode
Heat mode
Auto mode in heating operation
Auto mode in cooling operation
Defrost operation
Compressor overload protection
Indoor coil sensor contact loose/
short
Outdoor coil sensor contact
loose/short
Room air sensor contact loose/
short
If the system is in cool mode or heat mode (with the
sleep function off), the sensor may have a contact
problem, compressor overload protection trip or gas leak
Blinking
Operation / Fault Indication
Normal Operation / Fault
Condition
Action
-
-
-
Clean the fi lter and
switch to high fan
Call your dealer
Call your dealer
Call your dealer
Action
-
-
-
-
-
-
-
Call your dealer
Call your dealer
Call your dealer
Call your dealer