F3-00 - Outdoor Unit: Malfunction Of Discharge Pipe Temperature - Daikin RXTA30B2V1B Service Manual

3 | Troubleshooting
3.5.16 F3-00 – Outdoor unit: Malfunction of discharge pipe temperature
Service manual
28
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
"5.2 Refrigerant circuit" [
Possible cause: Closed stop valve in the refrigerant circuit.
2 Check if the refrigerant circuit is correctly charged. See
4
circuit" [ 211].
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
"4.22 Thermistors" [
Possible cause: Faulty refrigerant side thermistor(s).
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
Effect
Unit will NOT stop
operating.
If the error re-occurs too
soon: unit will stop
operating.
4
211].
"5.2 Refrigerant circuit" [
"4.1 4-way
"4.14 Main
of all refrigerant
4
195].
(B)+FTXTM30+40R2V1B+FTXTP25+35M5V1B+ATXTP25+35M5V1B
Reset
Automatic reset when
temperature drops
normal level.
Manual reset via user
interface.
"5.2 Refrigerant
4
211].
"5.2 Refrigerant circuit" [
4
valve" [ 50].
4
"4.4 Expansion valve" [
4
PCB" [ 126].
side thermistors.
RXTM-R+RXTP-R+ARXTP-R+RXTA-B+FTXTA30B2V1B(W)
R32 Optimized Heating 4 Split
ESIE21-12A – 2022.02
4
211].
72].
See