Daikin Altherma 3 M - Domestic Hot Water (DHW) Control

2 | Troubleshooting
Service manual
32
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
8 Clean the outdoor heat exchanger. See "5Maintenance"[4309].
Possible cause: Dirty outdoor heat exchanger.
9 Perform a check of the main PCB. See "3.14Main PCB"[4171].
Possible cause: Faulty main PCB.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
2.3.29 E5-00 – Outdoor unit: Overheat of inverter compressor motor
Trigger Effect Reset
Compressor overload is
detected.
Unit will NOT stop
operating.
Automatic reset if the unit
runs without warning for
60seconds.
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"[4286].
Possible cause: Closed stop valve in the refrigerant circuit.
2 Perform a check of the discharge pipe thermistor. See
"3.20Thermistors"[4248].
Possible cause: Faulty discharge pipe thermistor or connector fault.
3 Perform a check of the outdoor unit fan motor. See "3.16 Outdoor unit fan
motor"[4217].
Possible cause: Faulty outdoor unit fan motor.
4 Perform a check of the compressor. See "3.7Compressor"[4134].
Possible cause: Faulty compressor or miswiring of the compressor power
supply cable.
5 Perform a check of all expansion valves. See "3.9Expansion valve"[4149].
Possible cause: Faulty expansion valve.
6 Perform a check of the 4‑way valve. See "3.24-way valve"[496].
Possible cause: Faulty 4‑way valve.
7 Perform a check of the main PCB. See "3.14Main PCB"[4171].
Possible cause: Faulty main PCB.
8 Check if the refrigerant circuit is correctly charged. See "4.2 Refrigerant
circuit"[4286].
Possible cause: Refrigerant shortage.
9 Check for the presence of non‑condensables and/or humidity in the
refrigerant circuit. See "4.2Refrigerant circuit"[4286].
Possible cause: Non‑condensables and/or humidity in the refrigerant circuit.
10 Check if the refrigerant circuit is clogged. See "4.2Refrigerant circuit"[4286].