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3.3.38 E5-00 – Outdoor unit: Overheat of inverter compressor motor
EBLA04~08E + EDLA04~08E
Daikin Altherma 3 M
ESIE22-09 – 2022.05
Trigger
Compressor overload is
detected.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Check that all stop valves of the refrigerant circuit are open. See
"5.2 Refrigerant
circuit" [
Possible cause: Closed stop valve in the refrigerant circuit.
2 Perform
a
check
4
"4.19 Thermistors" [
Possible cause: Faulty discharge pipe thermistor or connector fault.
3 Perform a check of the outdoor unit fan motor. See
4
motor" [
197].
Possible cause: Faulty outdoor unit fan motor.
4 Perform a check of the compressor. See "4.7 Compressor" [
Possible cause: Faulty compressor or miswiring of the compressor power
supply cable.
5 Perform a check of the expansion valve. See
Possible cause: Faulty expansion valve.
6 Perform a check of the 4‑way valve. See
Possible cause: Faulty 4‑way valve.
7 Perform a check of the main PCB. See
Possible cause: Faulty main PCB.
8 Check if the refrigerant circuit is correctly charged. See
4
circuit" [
256].
Possible cause: Refrigerant shortage.
9 Check for the presence of non‑condensables and/or humidity in the
refrigerant circuit. See
Possible cause: Non‑condensables and/or humidity in the refrigerant circuit.
10 Check if the refrigerant circuit is clogged. See
Possible cause: Clogged refrigerant circuit.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
Effect
Unit will NOT stop
operating.
4
256].
of
the
discharge
217].
"4.9 Expansion
"4.2 4-way
"4.14 Main
"5.2 Refrigerant
circuit" [
"5.2 Refrigerant
draft – 31/05/2022 15:53
3
|
Troubleshooting
Reset
Automatic reset if the unit
runs without warning for
60 seconds.
pipe
thermistor.
"4.15 Outdoor unit fan
4
148].
4
valve" [
162].
4
valve" [
108].
PCB" [
4
184].
"5.2 Refrigerant
4
256].
4
circuit" [
Service manual
See
256].
45
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Troubleshooting
