ESIE16-03B
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Part 2. Troubleshooting
2.2. Error based troubleshooting
Page 28
22/08/16
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Version 1.1
SA R32 Sky-Air RZAG-L
2.2.2. Outdoor unit
2.2.2.1. “E1-00” – Outdoor unit PCB abnormality
2.2.2.2. “E3-00” – Discharge pressure abnormality
Trigger
Effect
Reset
Outdoor main PCB detects that EEPROM
is abnormal.
Unit will stop operating.
Manual reset via user interface.
Power reset via outdoor unit.
Possible cause
Check
Corrective action
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 capacity adapter on outdoor main
PCB installed.
Check if the correct capacity adapter is
used.
Replace capacity adapter when required.
External factor (e.g. electrical noise)
(cause when error is reset after power
reset, and error happens again after a
while).
Check for source which could cause elec-
trical interference.
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 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.
Trigger
Effect
Reset
High pressure switch opens due to meas-
ure pressure > 41.7 bar.
Unit will stop operating.
Manual reset via user interface.
High pressure control (measure pressure
> 38 bar) occurs 16 times within 300 min-
utes.
Possible cause
Check
Corrective action
Faulty high pressure switch.
Check high pressure switch (see
"High
pressure switch" on page 53
).
Replace high pressure switch (see
"Replacing high pressure switches" on
page 86
).
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 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.
Refrigerant overcharge.
Check for refrigerant overcharge. Refer to
the nameplate for the correct charge.
Charge the correct refrigerant amount
when required.
Humidity in refrigerant (ice formation in
expansion valve).
Check for humidity in the refrigerant.
In case of suspicion of humidity, recover,
vacuum and recharge with virgin refriger-
ant.
