ESIE17-08
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Part 2. Troubleshooting
2.2. Error based troubleshooting
Page 38
15/11/18
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Version 1.1
R32 Sky-Air RZAG-M
2.2.2.22. “P4-00” – Radiating fin temperature sensor abnormality
2.2.2.23. “PJ-00” – Capacity setting abnormality
Faulty capacity adapter on outdoor PCB.
Check if the correct adapter is installed.
Check if the correct spare part is installed.
Adjust capacity adapter when required.
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.
Trigger
Effect
Reset
Outdoor main PCB detects a defective
capacity in EEPROM.
Unit will stop operating.
Manual reset via user interface.
Power supply reset.
Possible cause
Check
Corrective action
Position of PCB dip switches are not OK.
Check if dip switches are set to default
(OFF) position.
Faulty outdoor unit main PCB.
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.
Adjust the power to the outdoor main
PCB.
Replace outdoor main PCB when HAP
LED is not blinking in regular intervals.
Faulty capacity adapter on outdoor PCB.
Check if the correct adapter is installed.
Check if the correct spare part is installed.
Adjust capacity adapter when required.
Possible cause
Check
Corrective action