Troubleshooting; Error Codes And Description - Daikin G-Series Service Manual

SiBE12-933_A

4. Troubleshooting

4.1

Error Codes and Description

Code Indication Description
00
System
U0★
U2
U4
UA
UH
A1
Indoor
Unit
A5
A6
C4
C7
C9
A5
Outdoor
Unit
E5★
E6★
E7
E8
F3
F6
H0
H6
H8
H9
J3
J6
J8
J9
L3
L4
L5
P4
★
Service Diagnosis
Normal
Refrigerant shortage
Over-voltage detection / low-voltage detection
Outdoor unit PCB abnormality or signal transmission circuit abnormality
Unspecified voltage (between indoor and outdoor units)
Anti-icing function in other rooms
Indoor unit PCB abnormality
Freeze-up protection control or high pressure control
AC motor (Duct, Floor / Ceiling)
Fan motor or related
abnormality
DC motor (Wall, Floor)
Heat exchanger temperature thermistor abnormality
Front Panel Open / Close Fault
Room temperature thermistor abnormality
Freeze-up protection control
OL activation (compressor overload)
Compressor lock
DC fan lock
Input overcurrent detection
Discharge pipe temperature control
High pressure control in cooling
Compressor sensor system abnormality
Position sensor abnormality
DC voltage / DC current sensor abnormality
Outdoor air thermistor or related abnormality
Discharge pipe temperature thermistor or related abnormality
Heat exchanger temperature thermistor or related abnormality
Liquid pipe temperature thermistor or related abnormality
Gas pipe temperature thermistor or related abnormality
Electrical box temperature rise
Radiation fin temperature rise
Output overcurrent detection
Radiation fin thermistor or related abnormality
: Displayed only when system-down occurs.

Troubleshooting

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