Daikin Sensira Series, Service Manual

Page: 13 / 172

1 | Troubleshooting
Service manual
13
FTXF20~71A + FTXF20~25B + FTXF20~42C + ATXF20~71A + ATXF20~42C
+ RXF20~71A + RXF20~60B + RXF20~42C + ARXF20~71A + ARXF20~42C
Split Sensira R32
ESIE18-12E – 2021.02
9 Check for the presence of non‑condensables and/or humidity in the
refrigerant circuit. See
"3.2 Refrigerant circuit" [
4
129].
Possible cause: Non‑condensables and/or humidity in the refrigerant circuit.
10 Check if the refrigerant circuit is clogged. See "3.2 Refrigerant circuit" [ 4 129].
Possible cause: Clogged refrigerant circuit.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
1.5.9 E6-00 – Outdoor unit: Compressor startup defect
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
10 minutes.
Unit will stop operating Manual reset via user
interface.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Perform a check of the discharge pipe thermistor. See
"2.13 Thermistors" [
4
117].
Possible cause: Faulty discharge pipe thermistor or connector fault.
2 Check that all stop valves of the refrigerant circuit are open. See
"3.2 Refrigerant circuit" [
4
129].
Possible cause: Closed stop valve in the refrigerant circuit.
3 Check if the refrigerant circuit is clogged. See "3.2 Refrigerant circuit" [
4
129].
Possible cause: Clogged refrigerant circuit.
4 Check if the refrigerant circuit is correctly charged. See "3.2 Refrigerant
circuit" [ 4 129].
Possible cause: Refrigerant overcharge or shortage.
5 Check for the presence of non‑condensables and/or humidity in the
refrigerant circuit. See
"3.2 Refrigerant circuit" [
4
129].
Possible cause: Non‑condensables and/or humidity in the refrigerant circuit.
6 Perform a check of the compressor. See "2.2 Compressor" [
4
44].
Possible cause: Faulty compressor or miswiring of the compressor power
supply cable.
7 Perform a check of the main PCB. See "2.8 Main PCB" [
4
74].
Possible cause: Faulty main PCB.
8 Perform a check of the 4‑way valve. See "2.1 4-way valve" [
4
37].
Possible cause: Faulty 4‑way valve.
9 Perform a check of the expansion valve. See "2.3 Expansion valve" [
4
53].