Heat Exchanger Frozen - Daikin altherma 3 M Service Manual

2.3.9 89-02 – Heat exchanger frozen
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
6 Check if the refrigerant circuit is correctly charged. See
4
circuit" [ 286].
Possible cause: Refrigerant overcharge.
7 Check if the refrigerant circuit is clogged. See
Possible cause: Clogged refrigerant circuit.
8 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.
9 Check the water flow. See
Possible cause: Water flow is too low.
10 Check the water pressure. See
Possible cause: Water pressure is too low.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
Trigger
Condensing temperature
<0°C during space
heating.
Liquid refrigerant
thermistor ≤0°C during
space heating or domestic
hot water.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Perform a check of the 4‑way valve. See
Possible cause: Faulty 4‑way valve.
2 Perform a check of the main PCB. See
Possible cause: Faulty main PCB.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
"4.2 Refrigerant
"4.2 Refrigerant circuit" [
"4.3 Water circuit" [
"4.3 Water circuit" [
Effect
Unit will stop operating.
"3.2 4-way
"3.14 Main
2 Troubleshooting
|
"4.2 Refrigerant
circuit" [
4
286].
4
299].
4
299].
Reset
Automatic reset.
4
valve" [ 96].
4
PCB" [ 171].
4
286].
Service manual
17