ESIE16-03B
|
Part 2. Troubleshooting
2.2. Error based troubleshooting
Page 34
22/08/16
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Version 1.1
SA R32 Sky-Air RZAG-L
2.2.2.12. “J5-00” – Suction pipe thermistor abnormality
2.2.2.13. “J6-00” – Outdoor heat exchanger thermistor abnormality
2.2.2.14. “J7-00” – Intermediate heat exchanger thermistor abnormality
Faulty outdoor unit main PCB.
Check if the HAP LED is blinking in regu-
lar intervals (see
"Main PCB" on page 55
).
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
(see
"Replacing main PCB" on page 89
).
Trigger
Effect
Reset
Suction pipe thermistor R3T detects an
abnormal 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
(see
"Replacing main PCB" on page 89
).
Faulty suction pipe thermistor R3T.
Check suction pipe thermistor R3T (see
"Refrigerant thermistors" on page 57
).
Replace suction pipe thermistor R3T
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 (see
"Refrigerant thermistors" on page 57
).
Replace heat exchanger thermistor when
required.
Faulty outdoor unit main PCB.
Check if the HAP LED is blinking in regu-
lar intervals (see
"Main PCB" on page 55
).
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
(see
"Replacing main PCB" on page 89
).
Trigger
Effect
Reset
Intermediate heat exchanger thermistor
R5T detects an abnormal value (open or
short circuit).
Unit will stop operating.
Automatic reset.
Possible cause
Check
Corrective action
