Indoor Unit; A1-01" - Indoor Unit Pcb Abnormality; A3-00" - Drain Water Level System Abnormality; A6-00" - Indoor Unit Fan Motor Abnormality - Daikin R32 Sky-Air RZAG-M Service Manual

ESIE17-08 | Part 2. Troubleshooting

2.2.1. Indoor unit

2.2.1.1. "A1-01" – Indoor unit PCB abnormality
Trigger
EEPROM data is not received correctly.
Possible cause
Indoor Unit - Electrical components
Faulty indoor PCB.
2.2.1.2. "A3-00" – Drain water level system abnormality
Trigger
Drain water level reaches its upper limit
and float switch turns OFF.
Possible cause
Defective drain pump.
Improper drain piping work or clogging.
Defective flow switch.
(for optional drain pump kit) Defective
short circuit connector X15A.
Faulty indoor PCB.
2.2.1.3. "A6-00" – Indoor unit fan motor abnormality
Trigger
The rotation speed of the fan motor is not
detected while the output voltage to the
fan is at its maximum.
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R32 Sky-Air RZAG-M
Effect
Unit will stop operating.
Check
Check if error still occurs after turning off
power and turning it back on again.
Check if the indoor PCB receives power.
Check if the HAP LED is blinking in regu-
lar intervals.
Check if the correct spare part is installed.
Check the wiring to indoor PCB.
Effect
Unit will stop operating.
Check
Check drain pump.
Check if drain piping is executed correctly.
Check if drain piping is clogged.
Check flow switch.
Check if connector is firmly connected.
Check the continuity of the short circuit
connector.
Check if error still occurs after turning off
power and turning it back on again.
Check if the indoor PCB receives power.
Check if the HAP LED is blinking in regu-
lar intervals.
Check if the correct spare part is installed.
Check the wiring to indoor PCB.
Effect
Unit will stop operating.
2.2. Error based troubleshooting
Reset
Power reset via outdoor unit.
Corrective action
Adjust power to the indoor PCB.
Replace indoor PCB when HAP LED is
not blinking in regular intervals.
Install correct spare part or update indoor
PCB.
Adjust wiring to indoor PCB when
required.
Reset
Automatic reset.
Corrective action
Replace drain pump when required.
Correct or clean drain piping when
required.
Replace flow switch when required.
Connect the short circuit connector.
Replace the short circuit connector when
required.
Replace the indoor PCB when required.
Adjust power to the indoor PCB.
Replace indoor PCB when HAP LED is
not blinking in regular intervals.
Install correct spare part or update indoor
PCB.
Adjust wiring to indoor PCB when
required.
Reset
Power reset via outdoor unit.
15/11/18 | Version 1.1