Daikin FTN25JXV1, Technical Manual

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