Troubleshooting; Error Code Indication By Remote Controller - Daikin E Series Service Manual

SiBE04-624

2. Troubleshooting

2.1

Error Code Indication by Remote Controller

Code Unit
Basic Failure Diagnosis
A1
A5
A6
AH
Indoor
C4
C7
C9
CC
E1
E5
E6
E7
E8
Outdoor
EA
F3
F6
H0
H1
Humidifying unit Damper fault
H6
H8
H9
J3
J6
Outdoor
L3
L4
L5
P4
P9
PA
Humidifying unit
PH
U0
U2
System
U4
Outdoor
Service Diagnosis
Air conditioner does not run.
Air conditioner runs but does not get cooling (heating).
When operation starts, safety breaker works.
Air conditioner makes big noise and vibration.
Air does not humidified enough.
Indoor unit PCB fault
Peak-cut control or freeze-up protection
Fan motor system fault
Streamer unit fault
Indoor heat exchanger thermistor fault
Front panel open / close fault
Room temperature thermistor fault
Humidity sensor fault
Outdoor unit PCB fault
OL activation (compressor overload)
Compressor lock
DC fan lock
Input overcurrent detection
Four way valve fault
Discharge pipe temperature control
High pressure control in cooling
Compressor sensor system fault
Position sensor fault
DC voltage / DC current sensor fault
Outdoor air thermistor fault
Discharge pipe thermistor fault
Outdoor heat exchanger thermistor fault
Abnormal temperature in electrical box
Temperature rise in radiation fin
Output overcurrent
Radiation fin thermistor fault
Fan motor system fault / fan lock
Heater wire fault
Humidification fan outlet thermistor fault / abnormal heater
temperature
Insufficient gas
Over voltage protection (OVP) / low voltage protection (LVP)
Signal transmission error (indoor unit - outdoor unit)
Outdoor unit PCB fault or communication circuit fault
Description

Troubleshooting

* Various cases may be possible.
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