P4-00" - Radiating Fin Temperature Sensor Abnormality; Pj-00" - Capacity Setting Abnormality - Daikin FTXTA30AW Service Manual

ESIE17-19C | Part 2. Troubleshooting
2.2.2.28. "P4-00" – Radiating fin temperature sensor abnormality
Trigger
Radiating fin thermistor input voltage is
< 0.04 V or > 4.96 V when power is on.
Possible cause
Faulty radiating fin thermistor.
Faulty outdoor unit PCB in which radiating
fin thermistor is connected.
More info:
Check procedures
"Refrigerant thermistors" on page 60
"Main PCB" on page 56
2.2.2.29. "PJ-00" – Capacity setting abnormality
Trigger
Outdoor main PCB detects a defective
capacity in EEPROM.
Possible cause
Position of PCB dip switches are not OK.
Faulty outdoor unit main PCB.
Faulty capacity adapter on outdoor PCB.
More info:
Check procedures
"Main PCB" on page 56
Page 42
Optimized Heating 4
Effect
Unit will stop operating.
Check
Check radiating fin thermistor.
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.
Replacing procedures
"Replacing main PCB" on page 95
Effect
Unit will stop operating.
Check
Check if dip switches are set to default
(OFF) position.
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.
Check if the correct adapter is installed.
Check if the correct spare part is installed.
Replacing procedures
"Replacing main PCB" on page 95
2.2. Error based troubleshooting
Reset
Manual reset via user interface.
Corrective action
Replace radiating fin thermistor when
required.
Restore the power to the outdoor main
PCB.
Replace outdoor main PCB when HAP
LED is not blinking in regular intervals.
Reset
Manual reset via user interface.
Power supply reset.
Corrective action
Adjust the power to the outdoor main
PCB.
Replace outdoor main PCB when HAP
LED is not blinking in regular intervals.
Adjust capacity adapter when required.
19/08/19 | Version 1.1