Streamer Unit Abnormality; C4-00 - Heat Exchanger Temperature Sensor Problem - Daikin FTXA20A Service Manual

1 | Troubleshooting
1.5.4 AH-00 – Streamer unit abnormality
1.5.5 C4-00 – Heat exchanger temperature sensor problem
Service manual
10
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Perform a check of the indoor unit main PCB. See
4
PCB" [ 75].
Possible cause: Faulty indoor unit main PCB.
2 Perform a check of the indoor unit fan motor. See
4
motor" [ 73].
Possible cause: Faulty indoor unit fan motor.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
Trigger
Streamer unit starts
electric discharge when
operation starts after
approximately 90 to
180 seconds.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Perform a check of the streamer unit. See
Possible cause: Faulty streamer unit.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
Trigger
Refrigerant liquid
thermistor detects an
open or short circuit
during compressor
operation.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
Effect
Unit will NOT stop
operating.
"2.16 Streamer
Effect
Unit will stop operating.
FTXA20~50A(W)(S)(T) + FTXA20~50B(B)(S)(T) + RXA42+50A +
"2.8 Indoor unit main
"2.7 Indoor unit fan
Reset
Manual reset via user
interface.
4
unit" [ 137].
Reset
Power reset.
RXA20~35A(9) + RXA42+50B
Split Stylish R32
ESIE18-03D – 2021.05