ESIE17-19C
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Part 2. Troubleshooting
2.2. Error based troubleshooting
Page 28
19/08/19
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Version 1.1
Optimized Heating 4
More info:
2.2.2.6. “E8-00” – Compressor overcurrent detection
More info:
Possible cause
Check
Corrective action
Faulty outdoor fan motor.
Check the fan motor.
Check fan motor connections and wiring.
Replace fan motor when required.
Adjust wiring when required.
Faulty outdoor inverter PCB.
Check outdoor inverter PCB.
Check if the HAP LED is blinking in regu-
lar intervals.
Check if the correct spare part is installed.
Restore the power to the outdoor inverter
PCB.
Replace the outdoor inverter PCB when
required.
Blown fuse.
Check the fuse on the outdoor unit PCB's.
Replace fuse when required.
Check procedures
Replacing procedures
"Replacing DC fan motor assembly" on page 87
"Product specific information" on page 118
Trigger
Effect
Reset
When the compressor is running the cur-
rent exceeds 9.25 A ~ 20 A (depending on
the unit) for 2.5 seconds.
Unit will stop operating.
Manual reset via user interface.
Possible cause
Check
Corrective action
Outdoor temperature is out of operation
range.
Check the outdoor temperature.
Wait until the temperature is within opera-
tion range.
Faulty compressor.
Check compressor.
Check connections and wiring of the com-
pressor.
Check expansion valve (liquid back
issue).
Check the refrigerant charge. Refer to the
nameplate for correct charge.
Replace compressor when required.
Investigate reason of breakdown.
Replace expansion valve when required.
Fix possible leak.
Faulty power module.
= Faulty inverter PCB.
Check outdoor inverter PCB.
Check if the HAP LED is blinking in regu-
lar intervals.
Check if the correct spare part is installed.
Restore 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.
Check procedures
Replacing procedures
"Replacing compressor" on page 84
"Electronic expansion valve" on page 53
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