ERROR CODE DISPLAY
OUTDOOR UNIT
When an error occurs, “short-press” the [ENTER] switch
once. The number of blinks of the LED indicates the type
of error.
1 How to check error code
1.1. Display when an error occurs
ERROR
TEST
RUN
PUMP
DOWN
LOW NOISE
PEAK CUT
POWER
MODE
Blinks
(Hi-speed)
(L1) (L2) (L3) (L4) (L5) (L6) (L7)
(1) Check that the “ERROR” LED blinks, and then “short-
press” the [ENTER] switch once.
1.2. Display while an error code is blinking
ERROR
TEST
RUN
PUMP
DOWN
LOW NOISE
PEAK CUT
POWER
MODE
Blinks
(Twice) Blinks
(L1) (L2) (L3) (L4) (L5) (L6) (L7)
(2) The “POWER MODE” LED will blink twice and the
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“ERROR” LED will blink several times.
The number of blinks of the “ERROR” LED varies
according to the type of error. For details, refer to the
right table.
2 Error code check table
Number of
blinks (LED)
Error type
1
Serial forward transfer error
2
Discharge thermistor error
3
Heat-exchange thermistor (outlet) error
4
External temperature thermistor error
5
Heat-exchange thermistor (intermediate)
error
6
Discharge temperature protection
(permanent stoppage)
7
Compressor thermistor error
8
Heatsink thermistor (inverter) error
9
Pressure switch (sensor) error
10
Compressor temperature protection
(permanent stoppage)
11
Connection with indoor unit error
12
Current trip (permanent stoppage)
13
Detection of compressor position error
(permanent stoppage)
14
Compressor start up error
(permanent stoppage)
15
Fan motor (1) error (permanent stoppage)
16
Fan motor (2) error (permanent stoppage)
17
Heatsink thermistor (P.F.C.) error
18
Inverter error
19
P.F.C. error
20
Low pressure abnormal
21
Indoor unit abnormality condition