J7-00" - Intermediate Heat Exchanger Thermistor Abnormality; J8-00" - Liquid Pipe Thermistor Abnormality; L1-00" - Outdoor Main Pcb Abnormality - Daikin R32 Sky-Air RZAG-M Service Manual

ESIE17-08 | Part 2. Troubleshooting
Possible cause
Faulty heat exchanger thermistor.
Faulty outdoor unit main PCB.
2.2.2.14. "J7-00" – Intermediate heat exchanger thermistor abnormality
Trigger
Intermediate heat exchanger thermistor
R5T detects an abnormal value (open or
short circuit).
Possible cause
Faulty outdoor unit main PCB.
Faulty intermediate heat exchanger ther-
mistor.
Faulty capacity adapter on outdoor PCB.
2.2.2.15. "J8-00" – Liquid pipe thermistor abnormality
Trigger
Liquid pipe thermistor detects an abnor-
mal value (open or short circuit).
Possible cause
Faulty outdoor unit main PCB.
Faulty liquid pipe thermistor.
Faulty capacity adapter on outdoor PCB.
2.2.2.16. "L1-00" – Outdoor main PCB abnormality
Trigger
Outdoor main PCB detects current/volt-
age errors.
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R32 Sky-Air RZAG-M
Check
Check heat exchanger 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 intermediate heat exchanger ther-
mistor.
Check if the correct adapter is installed.
Check if the correct spare part is installed.
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 liquid 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 heat exchanger 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 intermediate heat exchanger
thermistor when required.
Adjust capacity adapter when required.
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 liquid pipe thermistor when
required.
Adjust capacity adapter when required.
Reset
Manual reset via user interface.
Power reset via outdoor unit.
15/11/18 | Version 1.1