Daikin FTXF A Series User Manual

1 | Troubleshooting
Service manual
12
FTXF20~71A + FTXF20~25B + FTXF20~42C + ATXF20~71A + ATXF20~42C
+ RXF20~71A + RXF20~60B + RXF20~42C + ARXF20~71A + ARXF20~42C
Split Sensira R32
ESIE18-12E – 2021.02
5 Check for the presence of non‑condensables and/or humidity in the
refrigerant circuit. See "3.2Refrigerant circuit"[4129].
Possible cause: Non‑condensables and/or humidity in the refrigerant circuit.
6 Check if the refrigerant circuit is clogged. See "3.2Refrigerant circuit"[4129].
Possible cause: Clogged refrigerant circuit.
7 Perform a check of the outdoor unit fan motor. See "2.9 Outdoor unit fan
motor"[492].
Possible cause: Faulty outdoor unit fan motor.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
1.5.8 E5-00 – Outdoor unit: Overheat of inverter compressor motor
Trigger Effect Reset
Compressor overload is
detected.
Unit will NOT stop
operating.
Automatic reset if the unit
runs without warning for
60seconds.
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129].
Possible cause: Closed stop valve in the refrigerant circuit.
2 Perform a check of the discharge pipe thermistor. See
"2.13Thermistors"[4117].
Possible cause: Faulty discharge pipe thermistor or connector fault.
3 Perform a check of the outdoor unit fan motor. See "2.9 Outdoor unit fan
motor"[492].
Possible cause: Faulty outdoor unit fan motor.
4 Perform a check of the compressor. See "2.2Compressor"[444].
Possible cause: Faulty compressor or miswiring of the compressor power
supply cable.
5 Perform a check of the expansion valve. See "2.3Expansion valve"[453].
Possible cause: Faulty expansion valve.
6 Perform a check of the 4‑way valve. See "2.14-way valve"[437].
Possible cause: Faulty 4‑way valve.
7 Perform a check of the main PCB. See "2.8Main PCB"[474].
Possible cause: Faulty main PCB.
8 Check if the refrigerant circuit is correctly charged. See "3.2 Refrigerant
circuit"[4129].
Possible cause: Refrigerant shortage.

Daikin FTXF A Series Specifications

General

Brand	Daikin
Model	FTXF A Series
Category	Air Conditioner
Language	English