9 Disposal
Operation manual
13
FTXF20~42E5V1B
Daikin room air conditioner
3P520336-19V – 2022.09
INFORMATION
▪ A short beep and 2 consecutive beeps indicate non-
corresponding codes.
▪ To cancel the code display, hold
for 5 seconds.
The code will also disappear from the display if the
button is NOT pressed within 1 minute.
System
Error code
Description
Normal
Refrigerant shortage
Overvoltage detection
Signal transmission error (between indoor and
outdoor unit)
Indoor/outdoor unit combination fault
Indoor unit
Error code
Description
Indoor unit PCB abnormality
Freeze-up protection or high-pressure control
Fan motor (DC motor) abnormality
Indoor heat exchanger thermistor abnormality
Room temperature thermistor abnormality
Outdoor unit
Error code
Description
4-way valve abnormality
Outdoor unit PCB abnormality
Overload activation (compressor overload)
Compressor lock
DC fan lock
Input power overcurrent
Discharge pipe temperature control
High-pressure control (in cooling mode)
Compressor system sensor abnormality
Position sensor abnormality
DC voltage / current sensor abnormality
Outdoor temperature thermistor abnormality
Discharge pipe thermistor abnormality
Outdoor heat exchanger thermistor abnormality
Electrical parts heat error
Radiation fin temperature rise
Inverter instantaneous overcurrent (DC)
Radiation fin thermistor abnormality
Compressor internal temperature error
9
Disposal
NOTICE
Do NOT try to dismantle the system yourself: dismantling
of the system, treatment of the refrigerant, oil and other
parts MUST comply with applicable legislation. Units
MUST be treated at a specialised treatment facility for
reuse, recycling and recovery.
