ESIE16-02B | Part 2. Troubleshooting 2.2. Error based troubleshooting
Page 32 4/04/17 | Version 1.1
RA R32 Split & multi split M-Series
2.2.2.14. “J3-00” – Discharge pipe thermistor abnormality
2.2.2.15. “J5-00” – Suction pipe thermistor abnormality
2.2.2.16. “J6-00” – Outdoor heat exchanger thermistor abnormality
Trigger Effect Reset
Thermistor input voltage is > 4.96 V or
< 0.04 V when power is on.
Unit will stop operating. Manual reset via user interface.
Discharge pipe temperature is lower than
the heat exchanger temperature.
Possible cause Check Corrective action
Faulty discharge pipe thermistor. Check discharge pipe thermistor. Replace discharge pipe thermistor when
required.
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.
Restore the power to the outdoor main
PCB.
Replace outdoor main PCB when HAP
LED is not blinking in regular intervals.
Trigger Effect Reset
Suction pipe thermistor detects an abnor-
mal value (open or short circuit).
Unit will stop operating. Automatic reset.
Possible cause Check Corrective action
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 suction pipe thermistor. Check suction pipe thermistor. Replace suction pipe thermistor when
required.
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
Thermistor input voltage is > 4.96 V or
< 0.04 V when power is on.
Unit will stop operating. Manual reset via user interface.
Possible cause Check Corrective action
Faulty heat exchanger thermistor. Check heat exchanger thermistor. Replace heat exchanger thermistor when
required.
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.
Restore the power to the outdoor main
PCB.
Replace outdoor main PCB when HAP
LED is not blinking in regular intervals.
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