Outdoor Units - Daikin E-Series Service Manual

SiBE12-818
5.2

Outdoor Units

4
Green : Flashes when in normal condition
Red : OFF in normal condition
- : Not used for troubleshooting
∗
Outdoor Unit LED Indication
Gree Red
n
A 1 2 3
5 3 3 3
5 3 3 4
5 4 3 3
5 3 4 4
5 4 3 4
5 4 4 4
5 4 3 4
5 3 4 4
5 4 4 4
5 3 4 3
5 4 3 4
5 4 3 4
5 4 4 3
5 4 4 3
5 4 4 3
5 3 3 3
5 3 3 4
Note: 1. The indications in the parenthesis ( ) in the remote controller display column are displayed
2. When a sensor error occurs, check the remote controller display to determine which sensor
3. The indoor unit error indication may take the precedence in the remote controller display.
Service Diagnosis
: ON, 1 : OFF, 5 : Blinks
: Varies depending on the cases.
Indication on
the remote
controller
4 5
3 00
Outdoor unit in normal condition
3
UA
Unspecified voltage (between indoor and outdoor units)
UH
Anti-icing function in other rooms
3 (U0) Insufficient gas
4
3 U2
Low-voltage detection or over-voltage detection
4
3 U7
Signal transmission error (on outdoor unit PCB)
4
3 A5
Freeze-up protection control
4
3 E1
Outdoor unit PCB abnormality
3
3 (E5) OL activation (compressor overload)
3
3 (E6) Compressor lock
3
3 E7
DC fan lock
4
3 E8
Input over current detection
4
3 F3
Discharge pipe temperature control
3
3 F6
High pressure control in cooling
4
3 H0
Compressor sensor system abnormality
3
H8
CT or related abnormality
3 H6
Position sensor abnormality
3
H9
Outdoor air thermistor or related abnormality
J3
Discharge pipe thermistor or related abnormality
J6
Heat exchanger thermistor or related abnormality
J8
Liquid pipe thermistor or related abnormality
J9
Gas pipe thermistor or related abnormality
P4
Radiation fin thermistor or related abnormality
3 L3
Electrical box temperature rise
4
3 L4
Radiation fin temperature rise
4
(Protection of driver overheating)
3 L5
Output over current detection
3
only when system-down occurs.
is malfunctioning.
If the remote controller does not indicate the error type, conduct the following operation.
*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.
Description of The Fault
(Conduct a diagnosis of the indoor unit.)
Troubleshooting
Reference
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