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 33
Optimized Heating 4
More info:
2.2.2.13. “H3-00” – High pressure switch abnormality
More info:
2.2.2.14. “H6-00” – Position detection sensor abnormality
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.
Check procedures
Replacing procedures
"Replacing main PCB" on page 95
Trigger
Effect
Reset
High pressure switch is activated when
compressor is off.
Unit will stop operating.
Manual reset via user interface.
Possible cause
Check
Corrective action
Stop valve is closed.
Check if stop valve is open.
Open stop valve when required.
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 high pressure switch.
Check high pressure switch.
Replace the high pressure switch.
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
"High pressure switch" on page 58
"Replacing high pressure switch" on page 94
Trigger
Effect
Reset
Compressor fails to start within 15 sec-
onds after the compressor run command
signal is sent.
Unit will not stop operating.
Automatic reset after a continuous run of
10 minutes.
Unit will stop operating if the warning
occurs 8 times.
Manual reset via remote controller.
Possible cause
Check
Corrective action
