Troubleshooting; Error Codes And Description - Daikin SiBE04-624_B_FTXR-E Service Manual

Troubleshooting

2. Troubleshooting

2.1

Error Codes and Description

Code Unit
Basic Failure Diagnosis
No display System
A1
A5
A6
AH
Indoor
C4
C7
C9
CC
E1
E5
E6
E7
E8
Outdoor
EA
F3
F6
H0
H1
Humidifying unit Damper abnormality
H6
H8
H9
J3
J6
Outdoor
L3
L4
L5
P4
P9
PA
Humidifying unit
PH
U0
U2
System
U4
Outdoor
U7
System
UA
Indoor
74
Air conditioner does not run.
Air conditioner runs but does not cool (heat) the room.
When operation starts, safety breaker works.
Air conditioner makes big noise and vibration.
Air is not humidified enough.
Lights-out of microcomputer status lamp
Indoor unit PCB abnormality
Freeze-up protection control or heating peak-cut control
Fan motor (DC motor) or related abnormality
Streamer unit abnormality
Indoor heat exchanger thermistor or related abnormality
Front panel open / close abnormality
Room temperature thermistor or related abnormality
Humidity sensor abnormality
Outdoor unit PCB abnormality
OL activation (compressor overload)
Compressor lock
DC fan lock
Input overcurrent detection
Four way valve abnormality
Discharge pipe temperature control
High pressure control in cooling
Compressor system sensor abnormality
Position sensor abnormality
DC voltage / current sensor abnormality
Outdoor temperature thermistor or related abnormality
Discharge pipe thermistor or related abnormality
Outdoor heat exchanger thermistor or related abnormality
Electrical box temperature rise
Radiation fin temperature rise
Output overcurrent detection
Radiation fin thermistor or related abnormality
Fan motor system abnormality / fan lock
Heater wire abnormality
Humidifying thermistor abnormality / humidifying heater
temperature abnormality
Refrigerant shortage
Low-voltage detection or over-voltage detection
Signal transmission error (between indoor unit and outdoor unit)
Outdoor unit PCB abnormality or communication circuit abnormality
Signal transmission error on outdoor unit PCB
Unspecified voltage (between indoor unit and outdoor unit)
Incomplete setting for hose length
Description
SiBE04-624_B
Reference page
75
78
80
82
83
85
86
87
89
91
93
94
93
95
107
108
110
111
112
113
115
116
117
118
119
121
122
122
122
124
126
128
122
130
131
132
96
98
100
101
104
105
106
Service Diagnosis