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ESIE16-03B
|
Part 2. Troubleshooting
2.2. Error based troubleshooting
Page 42
22/08/16
|
Version 1.1
SA R32 Sky-Air RZAG-L
2.2.3.4. “U4-00” – Transmission abnormality between indoor unit and outdoor unit
2.2.3.5. “UA-00” – Improper combination of indoor unit and outdoor unit
Trigger
Effect
Reset
Data sent from outdoor unit cannot be
received normally, content of the send
data is abnormal.
Unit will stop operating.
Power reset via outdoor unit.
Possible cause
Check
Corrective action
Faulty or disturbance of the power supply
(imbalance > 10%). Power drop. Short cir-
cuit.
Check if the power supply is conform with
regulations. No fluctuations in frequency.
Adjust power supply when required.
Power reset via outdoor unit.
Wiring abnormality between indoor unit
and outdoor unit.
Check wiring between indoor unit and out-
door unit.
Adjust wiring between indoor unit and out-
door unit when required.
Replace wiring between indoor unit and
outdoor unit 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
).
Faulty outdoor fan motor.
Check the fan motor (see
"Fan motor" on
page 52
).
Check fan motor connections and wiring.
Replace fan motor when required (see
"Replacing DC fan motor assembly" on
page 79
).
Adjust wiring when required.
Faulty indoor 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 indoor main PCB receives
power.
Restore the power to the indoor main
PCB.
Replace indoor main PCB when HAP LED
is not blinking in regular intervals (see
"Replacing main PCB" on page 89
).
Trigger
Effect
Reset
Signal transmission between indoor unit
and outdoor unit abnormality.
Unit will stop operating.
Power reset via outdoor unit.
Possible cause
Check
Corrective action
Improper combination of indoor unit and
outdoor unit.
Check combination.
Adjust installation when required.
Wiring abnormality between indoor unit
and outdoor unit.
Check wiring between indoor unit and out-
door unit.
Adjust wiring between indoor unit and out-
door unit when required.
Replace wiring between indoor unit and
outdoor unit 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
).
Faulty indoor 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 indoor main PCB receives
power.
Restore the power to the indoor main
PCB.
Replace indoor main PCB when HAP LED
is not blinking in regular intervals (see
"Replacing main PCB" on page 89
).
Содержание SA R32 Sky-Air RZAG-L
Страница 14: ...ESIE16 03B Part 1 Introduction 1 4 How to use Page 14 22 08 16 Version 1 1 SA R32 Sky Air RZAG L...
Страница 60: ...ESIE16 03B Part 2 Troubleshooting 2 5 Other capacity range Page 60 22 08 16 Version 1 1 SA R32 Sky Air RZAG L...
Страница 94: ...ESIE16 03B Part 3 Repair 3 3 Unit specific repair procedures Page 94 22 08 16 Version 1 1 SA R32 Sky Air RZAG L...
Страница 98: ...ESIE16 03B Part 5 Appendix Page 98 22 08 16 Version 1 1 SA R32 Sky Air RZAG L...