J3-00" - Discharge Pipe Thermistor Abnormality; J5-00" - Suction Pipe Thermistor Abnormality; J6-00" - Outdoor Heat Exchanger Thermistor Abnormality - Daikin R32 Sky-Air RZAG-M Service Manual

ESIE17-08 | Part 2. Troubleshooting
Possible cause
Faulty outdoor air temperature thermistor.
Faulty outdoor unit main PCB.
2.2.2.11. "J3-00" – Discharge pipe thermistor abnormality
Trigger
Thermistor input voltage is > 4.96 V or
< 0.04 V when power is on.
Discharge pipe temperature is lower than
the heat exchanger temperature.
Possible cause
Faulty discharge pipe thermistor.
Faulty outdoor unit main PCB.
2.2.2.12. "J5-00" – Suction pipe thermistor abnormality
Trigger
Suction pipe thermistor detects an abnor-
mal value (open or short circuit).
Possible cause
Faulty outdoor unit main PCB.
Faulty suction pipe thermistor.
Faulty capacity adapter on outdoor PCB.
2.2.2.13. "J6-00" – Outdoor heat exchanger thermistor abnormality
Trigger
Thermistor input voltage is > 4.96 V or
< 0.04 V when power is on.
15/11/18 | Version 1.1
R32 Sky-Air RZAG-M
Check
Check outdoor temperature thermistor.
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.
Effect
Unit will stop operating.
Check
Check discharge pipe thermistor.
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.
Effect
Unit will stop operating.
Check
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.
Check suction pipe thermistor.
Check if the correct adapter is installed.
Check if the correct spare part is installed.
Effect
Unit will stop operating.
2.2. Error based troubleshooting
Corrective action
Replace outdoor temperature thermistor
when required.
Restore the power to the outdoor main
PCB.
Replace outdoor main PCB when HAP
LED is not blinking in regular intervals.
Reset
Manual reset via user interface.
Corrective action
Replace discharge pipe thermistor when
required.
Restore the power to the outdoor main
PCB.
Replace outdoor main PCB when HAP
LED is not blinking in regular intervals.
Reset
Automatic reset.
Corrective action
Adjust the power to the outdoor main
PCB.
Replace outdoor main PCB when HAP
LED is not blinking in regular intervals.
Replace suction pipe thermistor when
required.
Adjust capacity adapter when required.
Reset
Manual reset via user interface.
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