F3-00 - Outdoor Unit: Malfunction Of Discharge Pipe Temperature - Daikin FTXA20A Service Manual

1 | Troubleshooting
1.5.16 F3-00 – Outdoor unit: Malfunction of discharge pipe temperature
Service manual
18
Possible cause: Refrigerant overcharge or shortage.
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.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
Trigger
Discharge pipe thermistor
detects a too high
temperature.
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
"3.2 Refrigerant circuit" [
Possible cause: Closed stop valve in the refrigerant circuit.
2 Check if the refrigerant circuit is correctly charged. See
4
circuit" [ 158].
Possible cause: Refrigerant overcharge or shortage.
3 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.
4 Check if the refrigerant circuit is clogged. See
Possible cause: Clogged refrigerant circuit.
5 Perform a check of the 4‑way valve. See
Possible cause: Faulty 4‑way valve.
6 Perform a check of the expansion valve. See
Possible cause: Faulty expansion valve.
7 Perform a check of the main PCB. See
Possible cause: Faulty main PCB.
8 Perform a check
"2.19 Thermistors" [
Possible cause: Faulty refrigerant side thermistor(s).
"3.2 Refrigerant circuit" [
Effect
Unit will NOT stop
operating.
If the error re-occurs too
soon: unit will stop
operating.
4
158].
"3.2 Refrigerant circuit" [
"2.1 4-way
"2.12 Main
of all refrigerant
4
144].
FTXA20~50A(W)(S)(T) + FTXA20~50B(B)(S)(T) + RXA42+50A +
4
158].
Reset
Automatic reset when
temperature drops
normal level.
Manual reset via user
interface.
"3.2 Refrigerant
4
158].
"3.2 Refrigerant circuit" [
4
valve" [ 40].
4
"2.3 Expansion valve" [
4
PCB" [ 91].
side thermistors.
RXA20~35A(9) + RXA42+50B
ESIE18-03D – 2021.05
4
158].
57].
See
Split Stylish R32