Daikin FTXJ-M - P4-00 - Radiating Fin Temperature Sensor Abnormality

ESIE16-02K | Part 2. Troubleshooting 2.2. Error based troubleshooting
Page 38 31/05/21 | Version 1.1
RA R32 Split & multi split M-Series
2.2.2.23. “P4-00” – Radiating fin temperature sensor abnormality
More info:
Trigger Effect Reset
Radiating fin thermistor input voltage is
< 0.04 V or > 4.96 V when power is on.
Unit will stop operating. Manual reset via user interface.
Possible cause Check Corrective action
Faulty radiating fin thermistor. Check radiating fin thermistor. Replace radiating fin thermistor when
required.
Faulty outdoor unit PCB in which radiating
fin thermistor is connected.
Check if the HAP LED is blinking in regu-
lar intervals.
Check if the correct spare part is installed.
Check if the outdoor main PCB receives
power.
Restore the power to the outdoor main
PCB.
Replace outdoor main PCB when HAP
LED is not blinking in regular intervals.
Check procedures Replacing procedures
"Refrigerant thermistors" on page 58 "Replacing thermistors" on page 87
"Main PCB" on page 57 "Replacing main PCB" on page 85