ESIE17-19C
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Part 2. Troubleshooting
2.2. Error based troubleshooting
Page 26
19/08/19
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Version 1.1
Optimized Heating 4
More info:
2.2.2.4. “E6-00” – Compressor motor lock
Faulty overload protection.
Check the overload protection.
Check the overload protection connec-
tions and wiring.
Replace the overload protection when
required.
Adjust wiring when required.
Faulty expansion valve.
Check the expansion valve.
Replace the expansion valve body or
motor when required.
Faulty 4-way valve.
Check the 4-way valve.
Replace the 4-way valve coil or body
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.
Restore the power to the outdoor main
PCB.
Replace outdoor main PCB when HAP
LED is not blinking in regular intervals.
Faulty power module = 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.
Refrigerant shortage.
Check for refrigerant shortage. 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.
Non condensables in refrigerant.
Check for non condensables in refriger-
ant.
In case of suspicion of non condensables,
recover, vacuum and recharge with virgin
refrigerant.
Stop valve is closed.
Check stop valve.
Open stop valve when required.
Check procedures
Replacing procedures
"Refrigerant thermistors" on page 60
"Replacing DC fan motor assembly" on page 87
"Electronic expansion valve" on page 53
"Replacing expansion valve body" on page 89
"Replacing expansion valve motor" on page 91
"Replacing 4-way valve coil" on page 83
"Replacing 4-way valve body" on page 81
"Replacing main PCB" on page 95
Trigger
Effect
Reset
The motor rotor does not rotate when the
compressor is energized.
Unit will not stop operating.
Automatic reset after a continuous run for
about 10 min.
Unit will stop operating.
Manual reset via user interface.
Possible cause
Check
Corrective action
Faulty discharge thermistor.
Check the discharge thermistor.
Replace discharge thermistor when
required.
Refrigerant shortage.
Check for refrigerant shortage. 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.
Possible cause
Check
Corrective action
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