Daikin RXTA30B2V1B, Service Manual

Page: 32 / 264

3 | Troubleshooting
Service manual
32
RXTM-R+RXTP-R+ARXTP-R+RXTA-B+FTXTA30B2V1B(W)
(B)+35M5V1B
R32 Optimized Heating 4 Split
ESIE21-12A – 2022.02
3.5.21 H6-00 – Outdoor unit: Malfunction of position detection sensor
Trigger Effect Reset
Compressor fails to start
within 15 seconds after
the compressor run
command signal is sent. Unit will NOT stop
operating. Automatic reset after a
continuous operation of
10 minutes.
If the error re-occurs
within 8 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 compressor. See "4.2 Compressor" [ 4 57].
Possible cause: Faulty compressor or miswiring of the compressor power
supply cable.
2 Perform a check of the main PCB. See "4.14 Main PCB" [
4
126].
Possible cause: Faulty main PCB.
3 Check that all stop valves of the refrigerant circuit are open. See
"5.2 Refrigerant circuit" [
4
211].
Possible cause: Closed stop valve in the refrigerant circuit.
4 Check if the refrigerant circuit is clogged. See "5.2 Refrigerant circuit" [
4
211].
Possible cause: Clogged refrigerant circuit.
5 Check if the refrigerant circuit is correctly charged. See "5.2 Refrigerant
circuit" [ 4 211].
Possible cause: Refrigerant overcharge or shortage.
6 Check for the presence of non‑condensables and/or humidity in the
refrigerant circuit. See
"5.2 Refrigerant circuit" [
4
211].
Possible cause: Non‑condensables and/or humidity in the refrigerant circuit.
7 Check if the power supply is compliant with the regulations. See "5.1 Electrical
circuit" [
4
209].
Possible cause:
▪ Faulty or disturbance of the power supply (power supply MUST be within
range of nominal operating voltage ±4%),
▪ Power drop,
▪
Short circuit.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.