ESIE17-19C
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Part 2. Troubleshooting
2.2. Error based troubleshooting
19/08/19
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Version 1.1
Page 41
Optimized Heating 4
More info:
2.2.2.26. “P1-00” – Open phase or power supply voltage imbalance
More info:
2.2.2.27. “P3-00” – Malfunction of thermistor in electrical box
Check procedures
Replacing procedures
"Replacing main PCB" on page 95
Trigger
Effect
Reset
Outdoor inverter PCB detects incorrect
power supply.
Unit will stop operating.
Manual reset via user interface.
Automatic reset.
Possible cause
Check
Corrective action
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.
Faulty outdoor inverter PCB.
Check outdoor inverter PCB.
Check if the alive led is blinking in regular
intervals.
Check if the correct spare part is installed.
Adjust the power to the outdoor inverter
PCB.
Replace outdoor inverter PCB.
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.
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.
Check procedures
Replacing procedures
"Replacing main PCB" on page 95
Trigger
Effect
Reset
Resistance value is out of range.
T measured < -X°C or > X°C.
Unit will stop operating.
Automatic reset when resistance is within
range.
Possible cause
Check
Corrective action
Faulty outdoor inverter PCB.
Check outdoor inverter PCB.
Check if the alive led is blinking in regular
intervals.
Check if the correct spare part is installed.
Adjust the power to the outdoor inverter
PCB.
Replace the outdoor inverter PCB when
required.
Faulty radiation fin thermistor.
Check outdoor inverter PCB.
Check if the alive led is blinking in regular
intervals.
Check if the correct spare part is installed.
Adjust the power to the outdoor inverter
PCB.
Replace the outdoor inverter PCB 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.