10 Troubleshooting
Installation manual
12
RXF20~42C5V1B
Daikin room air conditioner
3P519299-10S – 2020.08
INFORMATION
▪ Even if the unit is turned OFF, it consumes electricity.
▪ When the power turns back on after a power break, the
previously selected mode will be resumed.
9.4
Starting up the outdoor unit
See the indoor unit installation manual for configuration and
commissioning of the system.
10
Troubleshooting
10.1
Fault diagnosis using LED on
outdoor unit PCB
LED is…
Diagnosis
flashing
Normal.
▪ Check the indoor unit.
ON
▪ Turn the power OFF and back ON, and
check the LED within approximately 3
minutes.
If the LED is ON again, the outdoor unit
PCB is faulty.
OFF
1
Supply voltage (for power saving).
2
Power supply fault.
3
Turn the power OFF and back ON, and
check the LED within approximately 3
minutes.
If the LED is OFF again, the outdoor unit
PCB is faulty.
DANGER: RISK OF ELECTROCUTION
▪ When the unit is not operating, the LEDs on the PCB
are turned off in order to save power.
▪ Even when the LEDs are off, the terminal block and the
PCB may be powered.
11
Disposal
NOTICE
Do NOT try to dismantle the system yourself: dismantling
of the system, treatment of the refrigerant, oil and other
parts MUST comply with applicable legislation. Units
MUST be treated at a specialised treatment facility for
reuse, recycling and recovery.
▪ Units are marked with the following symbol:
This means that electrical and electronic products may NOT be
mixed with unsorted household waste. Do NOT try to dismantle
the system yourself: the dismantling of the system, treatment of
the refrigerant, of oil and of other parts must be done by an
authorized installer and must comply with applicable legislation.
Units must be treated at a specialized treatment facility for reuse,
recycling and recovery. By ensuring this product is disposed of
correctly, you will help to prevent potential negative consequences
for the environment and human health. For more information,
contact your installer or local authority.
