ESIE16-02K
|
Part 2. Troubleshooting
2.2. Error based troubleshooting
31/05/21
|
Version 1.1
Page 31
RA R32 Split & multi split M-Series
2.2.2.10. “F8-00” – System shutdown due to compressor internal temperature abnormality
2.2.2.11. “H0-00” – Compressor sensor system abnormality
Faulty stop valve.
Check the stop valve.
Replace the stop valve when required.
Faulty heat exchanger thermistor.
Check heat exchanger thermistor.
Replace heat exchanger thermistor when
required.
Faulty expansion valve.
Check the expansion valve.
Replace the expansion valve body or
motor 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
Temperature discharge pipe thermistor
exceeds the determined limit.
Unit will stop operating.
Manual reset via user interface.
Possible cause
Check
Corrective action
Stop valve is closed.
Check stop valve.
Open stop valve fully when required.
Refrigerant circuit is clogged
Check for possible blockage (blockages
can be checked by measuring the refriger-
ant/pipe temperature. Sudden drop in
temperature could indicate a blockage
(remark: this is not valid for the expansion
valve)).
Replace the blocked part.
Humidity in refrigerant.
Check for humidity in the refrigerant.
In case of suspicion of humidity, recover,
vacuum and recharge with virgin refriger-
ant.
Non condensables in refrigerant.
Check for non condensables in refriger-
ant.
In case of suspicion of non condensables,
recover, vacuum and recharge with virgin
refrigerant.
Leaking refrigerant.
Check if there is a leakage on the refriger-
ant circuit
Charge the correct refrigerant amount
when required.
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.
Possible cause
Check
Corrective action
