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FILE NO. SVM-13072
8-2-1. Outline of judgment
The indoor unit monitors the operating status of the air conditioner, and the blocked contents of self-diagnosis
are displayed restricted to the following cases if a protective circuit works.
: OFF,
: ON,
: Flash (0.5 sec.)
Lamp indication
Operation Timer
Ready
No indication at all
Operation Timer
Ready
Flash
Operation Timer
Ready
Flash
Operation Timer
Ready
Alternate flash
Operation Timer
Ready
Alternate flash
Check code
—
E01
E02
E03
E08
E09
E10
E18
E04
P10
P12
P03
P04
P05
P07
P15
P19
P20
P22
P26
P29
P31
Cause of trouble
Power supply OFF or miswiring between receiving unit and indoor unit
Receiving error
Receiving unit
Miswiring or wire connection error
Sending error
Communication stop
between receiving unit and indoor unit
Duplicated indoor unit No.
Setup error
Duplicated header units of remote controller
Communication error between CPUs on indoor unit P.C. board
E11
Communication error between Application control kit and indoor unit P.C. board
Wire connection error between indoor units, Indoor power OFF
(Communication stop between indoor master and follower or between main
and sub indoor twin)
Miswiring between indoor unit and outdoor unit or connection erorr
(Communication stop between indoor and outdoor units)
Overflow was detected.
Protective device of indoor unit worked.
Indoor DC fan error
⎫
⎬
⎭
⎫
⎬
⎭
⎫
⎬
⎭
The following method can be done to check whether the problem occurred in indoor or outdoor unit.
The error is indicated by indication lamp on the display of the indoor unit. (sensors of the receiving part)
Outdoor unit discharge temp. sensor error
Case thermostat operation, High pressure protective operation,
High pressure SW system error, Power supply error,
Power supply error
Heat sink overheat error
Gas leak detection
4-way valve inverse error (Indoor or outdoor unit detected)
High pressure protective operation
Outdoor unit fan system error
Short-circuit of compressor drive element
Position detection circuit error
Stopped because of error of other indoor units in a group
(Check codes of E03/L03/L07/L08)
Protective
device of
outdoor unit
worked.
Protective device of outdoor unit
worked.
8-2. Troubleshooting
SVM-13072.indb 49
SVM-13072.indb 49
11/01/13 1:53 PM
11/01/13 1:53 PM