ESIE16-02B
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Part 2. Troubleshooting
2.2. Error based troubleshooting
Page 30
4/04/17
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Version 1.1
RA R32 Split & multi split M-Series
2.2.2.10. “H0-00” – Compressor sensor system abnormality
2.2.2.11. “H6-00” – Position detection sensor abnormality
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
DC voltage before compressor start-up is
out of range (0.5~4.5 V).
Unit will stop operating.
Manual reset via user interface.
DC voltage before compressor start-up is
below 50 V.
Unit will stop operating.
Manual reset via user interface.
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.
Restore the power to the outdoor main
PCB.
Replace outdoor main PCB when HAP
LED is not blinking in regular intervals.
Faulty outdoor inverter PCB.
Check outdoor inverter PCB.
Check if the HAP LED is blinking in regu-
lar intervals.
Check if the correct spare part is installed.
Restore the power to the outdoor inverter
PCB.
Replace the outdoor inverter PCB when
required.
Faulty connection or wiring of the PCB's.
Check the connections and the wiring of
the PCB’s.
Adjust connection or wiring when
required.
Faulty or disturbance of the power supply
(imbalance > 10%). Power drop. Short cir-
cuit.
Check if the power supply is conform with
regulations. No fluctuations in frequency.
Adjust power supply when required.
Power reset via outdoor unit.
Trigger
Effect
Reset
Compressor fails to start within 15 sec-
onds after the compressor run command
signal is sent.
Unit will not stop operating.
Automatic reset after a continuous run of
10 minutes.
Unit will stop operating if the warning
occurs 8 times.
Manual reset via remote controller.
Possible cause
Check
Corrective action
Faulty compressor.
Check compressor.
Check connections and wiring of the com-
pressor.
Check expansion valve (liquid back
issue).
Check the refrigerant charge. Refer to the
nameplate for correct charge.
Replace compressor when required.
Investigate reason of breakdown.
Replace expansion valve when required.
Fix possible leak.
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.
Possible cause
Check
Corrective action