Daikin Stylish Series - F3-00 - Outdoor Unit: Malfunction of Discharge Pipe Temperature; F6-00 - Outdoor Unit: Abnormal High Pressure in Cooling

1 | Troubleshooting
Service manual
18
(C)(F)TXA15~50A(W)(S)(T) + (C)(F)TXA15~50B(B)(S)(T) + RXA42+50A +
RXA20~35A + RXA42+50B
Split Stylish R32
ESIE18-03C – 2020.02
1.5.16 F3-00 – Outdoor unit: Malfunction of discharge pipe temperature
Trigger Effect Reset
Discharge pipe thermistor
detects a too high
temperature.
Unit will NOT stop
operating.
Automatic reset when
temperature drops
normal level.
If the error re-occurs too
soon: 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 Check that all stop valves of the refrigerant circuit are open. See
"3.2Refrigerant circuit"[4133].
Possible cause: Closed stop valve in the refrigerant circuit.
2 Check if the refrigerant circuit is correctly charged. See "3.2 Refrigerant
circuit"[4133].
Possible cause: Refrigerant overcharge.
3 Check for the presence of non‑condensables and/or humidity in the
refrigerant circuit. See "3.2Refrigerant circuit"[4133].
Possible cause: Non‑condensables and/or humidity in the refrigerant circuit.
4 Check if the refrigerant circuit is clogged. See "3.2Refrigerant circuit"[4133].
Possible cause: Clogged refrigerant circuit.
5 Perform a check of the 4‑way valve. See "2.14-way valve"[439].
Possible cause: Faulty 4‑way valve.
6 Perform a check of the expansion valve. See "2.3Expansion valve"[454].
Possible cause: Faulty expansion valve.
7 Perform a check of the main PCB. See "2.11Main PCB"[481].
Possible cause: Faulty main PCB.
8 Perform a check of all refrigerant side thermistors. See
"2.18Thermistors"[4119].
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.
1.5.17 F6-00 – Outdoor unit: Abnormal high pressure in cooling
Trigger Effect Reset
Outdoor heat exchanger
thermistor measures a
too high temperature.
Unit will NOT stop
operating.
Automatic reset when
temperature drops.