7
7
.
.
T
T
R
R
O
O
U
U
B
B
L
L
E
E
S
S
H
H
O
O
O
O
T
T
I
I
N
N
G
G
7-1.
Trouble alarm
Trouble List
Indication on the outdoor unit
When the compressor is interrupted, the outdoor LEDs are used to
indicate the troubles listed below:
Symbols for indicator lights:
★
: ON
Ο
: flashing
×
: OFF
LED1 LED2 LED3
Troubles
1
×
×
×
Normal
2
×
×
★
Unused
3
×
★
×
Outdoor heat exchanger temperature sensor be
protected
4
★
×
×
Compressor temperature sensor short-circuited,
open circuited or the corresponding test circuit in
trouble
5
★
×
★
Outdoor heat exchanger temperature sensor
short-circuited, open circuited or the corresponding
test circuit in trouble
6
★
★
×
Outdoor atmosphere temperature sensor
short-circuited, open circuited or the corresponding
test circuit in trouble
9
×
×
Ο
Signal communication abnormal (indoor – outdoor)
10
×
Ο
×
Power module (IPM)protection
11
★
Ο
★
Maximum current control
12
★
Ο
×
Current overload control
13
×
Ο
★
Compressor discharge temperature too high
14
★
★
Ο
Over and under-voltage control
18
×
★
Ο
Compressor housing temperature too high
19
★
★
★
Outdoor memory in trouble
20
×
Ο
Ο
Indoor heat exchanger temperature sensor be
protected
22
Ο
Ο
×
DC compressor fails to start
23
Ο
×
Ο
DC compressor out of step
Indication by the indoor unit
Press the high power for 4 times in a row and the trouble codes
listed below will be displayed.
0
No trouble
16
Anti-freeze or overload control
1
Outdoor coil temperature sensor
in trouble
18
DC compressor fails to start
2
Compressor temperature sensor
in trouble
19
DC compressor out of step
3
Voltage transformer in trouble
4
Current transformer in trouble
5
IPM module protection
26
BSGI
09(12)
Summary of Contents for BSGI 12
Page 3: ...9 2 Outdoor 41 10 PARTS LIST 45 10 1 Indoor 45 10 2 Outdoor 47 ...
Page 16: ...5 5 E EL LE EC CT TR RI IC CA AL L D DA AT TA A 13 2 Outdoor control BSGI 09 12 ...
Page 17: ...5 5 E EL LE EC CT TR RI IC CA AL L D DA AT TA A 14 OUT IPM BSGI 09 12 ...
Page 18: ...5 5 E EL LE EC CT TR RI IC CA AL L D DA AT TA A 15 BSGI 09 12 ...
Page 48: ...1 10 0 P PA AR RT TS S L LI IS ST T 10 1 Indoor 1 Parts 45 BSGI 09 12 ...