H6-00 - Outdoor Unit: Malfunction Of Position Detection Sensor - Daikin FTXA20A Service Manual

1 | Troubleshooting
1.5.21 H6-00 – Outdoor unit: Malfunction of position detection sensor
Service manual
22
Trigger
Compressor fails to start
within 15 seconds after
the compressor run
command signal is sent.
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 "2.2 Compressor" [
Possible cause: Faulty compressor or miswiring of the compressor power
supply cable.
2 Perform a check of the main PCB. See
Possible cause: Faulty main PCB.
3 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.
4 Check if the refrigerant circuit is clogged. See
Possible cause: Clogged refrigerant circuit.
5 Check if the refrigerant circuit is correctly charged. See
4
circuit" [ 158].
Possible cause: Refrigerant overcharge or shortage.
6 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.
7 Check if the power supply is conform with the regulations. See
4
circuit" [ 156].
Possible cause:
▪ Faulty or disturbance of the power supply (imbalance >4%),
▪ Power drop,
▪ Short circuit.
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
within 8 minutes: unit will
stop operating.
"2.12 Main
4
158].
"3.2 Refrigerant
"3.2 Refrigerant circuit" [
FTXA20~50A(W)(S)(T) + FTXA20~50B(B)(S)(T) + RXA42+50A +
Reset
Automatic reset after a
continuous operation of
10 minutes.
Manual reset via user
interface.
4
46].
4
PCB" [ 91].
4
circuit" [
"3.2 Refrigerant
4
158].
"3.1 Electrical
RXA20~35A(9) + RXA42+50B
Split Stylish R32
ESIE18-03D – 2021.05
158].