Daikin RXF71A2V1B User Manual

15 | Troubleshooting
Installer reference guide
65
ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B +
RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B
R32 split series
4P513661-9J – 2020.05
15.3.2 Symptom: The unit is NOT heating or cooling as expected
Possible causes Corrective action
Wrong connection of the electrical
wires
Connect the electrical wires correctly.
Gas leakage Check for gas leakage.
15.3.3 Symptom: Water leakage
Possible causes Corrective action
Incomplete thermal insulation (gas and
liquid piping, indoor portions of the
drain hose extension)
Make sure the thermal insulation of the
piping and the drain hose is complete.
Improperly connected drainage Secure the drainage.
15.3.4 Symptom: Electrical leakage
Possible causes Corrective action
The unit is NOT earthed correctly Check and correct the connection of the
earth wiring.
15.3.5 Symptom: Unit does NOT function or burn damage
Possible causes Corrective action
The wiring was NOT performed in
accordance with the specifications
Correct the wiring.
15.4 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.

Daikin RXF71A2V1B Specifications

General

Brand	Daikin
Model	RXF71A2V1B
Category	Air Conditioner
Language	English