90
(1)-2. Trouble display
Current and the latest trouble (latest and including the present trouble) can be checked using the lighting
status of the LEDs D800 to D805 on the outdoor unit.
(1)-2-1. Current trouble indication
(1)-2-2. Latest (including current) trouble indication
LED indication
Name of trouble
Wired remote
controller check code
D800 D801 D802 D803 D804 D805
—
F04
F06
F07
F08
F12
F13
F15
F31
H01
H02
H03
H04
L10
L29
P03
P04
P05
P07
P15
P19
P20
P22
P26
P29
Normal
Discharge temp. sensor (TD) trouble
Heat exchanger temp. sensor (TE) trouble
Heat exchanger temp. sensor (TL) trouble
Outside temp. sensor (TO) trouble
Suction temp. sensor (TS) trouble
Heat sink temp. sensor (TH) trouble
Miss-mounting of sensor (TE, TS)
EEPROM trouble
Compressor break down
Compressor lock
Current detection circuit trouble
Case thermostat operation
Unset model type
Communication trouble between MCUs
Discharge temp. sensor trouble
High pressure SW operation
Power supply trouble
Heat sink overheat trouble
Gas leak detection
4-way valve reversal trouble
High pressure protective operation
Fan system trouble
Short-circuit of compressor drive element
Position detection circuit trouble
: Go ON : Go OFF : Flash (5 times/sec.)
LED indication
Name of trouble
D800 D801 D802 D803 D804 D805
Normal
Discharge temp. sensor (TD) trouble
Heat exchanger temp. sensor (TE) trouble
Heat exchanger temp. sensor (TL) trouble
Outside temp. sensor (TO) trouble
Suction temp. sensor (TS) trouble
Heat sink temp. sensor (TH) trouble
Miswiring of heat exchanger temp. sensor (TE, TS)
EEPROM trouble
Compressor break down
Compressor lock
Current detection circuit trouble
Case thermostat operation
Unset model type
Communication trouble between MCUs
Discharge temp. sensor trouble
High pressure SW operation
Power supply trouble
Heat sink overheat trouble
Gas leak detection
4-way valve reversal trouble
High pressure protective operation
Fan system trouble
Short-circuit of compressor drive element
Position detection circuit trouble
: Go ON : Go OFF : Flash (5 times/sec.) : flashing (1 time/sec.)