Outdoor Unit - Daikin Super multi NX E Series Service Manual

Code Indication on Remote Controller
4.4

Outdoor Unit

i
Green : Blinks in normal condition
Red : OFF in normal condition
Outdoor Unit LED Indication
Green Red
A 1 2 3
j h h h
j h h i
j i h h
j h i i
j i h i
j i i i
j i h i
j h i i
j i i i
j h i h
j i h i
j i h i
j i i h
j i i h
j h h h
j h h i
Note: 1. The error codes in the parenthesis ( ) are displayed only when the system is shut down.
2. When a sensor error occurs, check the remote controller display to determine which sensor
3. The indoor unit error code may take the precedence in the remote controller display.
4.
169
h j
: ON, : OFF, : Blinks
Error Codes
4 5
h h 00
UA
UH
i h
(U0)
i h U2
i h U7
i h A5
h h E1
h h
(E5)
h h
(E6)
i h E7
i h E8
h h F3
i h F6
h h H0
H6
H8
H9
J3
J6
J8
J9
P4
i h L3
i h L4
h h L5
is malfunctioning.
If the remote controller does not indicate the error code, conduct the following procedure.
∗ Turn the power switch off and back on again. If the same LED indication appears again
immediately after the power is turned on, the fault is in the thermistor.
∗ If the above condition does not result, the fault is in the CT.
3-room models and 4-room models do not have LED5.
Description
Normal condition
Unspecified voltage (between indoor unit and outdoor
unit)
Anti-icing function in other rooms
Refrigerant shortage
Low-voltage detection or over-voltage detection
Signal transmission error (on outdoor unit PCB)
Anti-icing control for indoor unit
Outdoor unit PCB abnormality
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
CT or related abnormality
Outdoor temperature thermistor or related
abnormality
Discharge pipe thermistor or related abnormality
Outdoor heat exchanger thermistor or related
abnormality
Liquid pipe thermistor or related abnormality
Gas pipe thermistor or related abnormality
Radiation fin thermistor or related abnormality
Electrical box temperature rise
Radiation fin temperature rise
Output overcurrent detection
SiBE121135_A
Reference
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Service Diagnosis