Ballu BSGI 12 - Trouble Shooting; Trouble Alarm and Indications

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)