E5-00 - Outdoor Unit: Overheat Of Inverter Compressor Motor - Daikin Sky Air Advance RZA200D7Y1B Service Manual

2 | Troubleshooting
2.4.5 E5-00 – Outdoor unit: Overheat of inverter compressor motor
Service manual
22
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
"4.2 Refrigerant circuit" [
Possible cause: Closed stop valve in the refrigerant circuit.
2 Perform a check
"3.15 Thermistors" [
Possible cause: Faulty discharge pipe thermistor or connector fault.
3 Perform a check of the outdoor unit fan motor. See
4
motor" [ 107].
Possible cause: Faulty outdoor unit fan motor.
4 Perform a check of the compressor. See "3.2 Compressor" [
Possible cause: Faulty compressor.
5 Perform a check of all expansion valves. 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 Perform a check of the inverter PCB. See
Possible cause: Faulty inverter PCB.
9 Check if the refrigerant circuit is correctly charged. See
4
circuit" [ 137].
Possible cause: Refrigerant shortage.
10 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.
11 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.
4 137].
of the discharge
4
128].
"3.1 4-way
"3.9 Main
"3.7 Inverter
"4.2 Refrigerant circuit" [
Reset
Automatic reset if the unit
runs without warning for
60 seconds.
pipe thermistor.
"3.11 Outdoor unit fan
4
56].
4
"3.4 Expansion valve" [
4
valve" [ 50].
4
PCB" [ 95].
4
PCB" [ 81].
"4.2 Refrigerant
4
137].
"4.2 Refrigerant circuit" [
RZA200+250D7Y1B
Sky Air Advance-series
ESIE19-13A – 2020.05
See
68].
4
137].