Baroness LM551, Service Manual, Page: 138 / 213

Circuit diagram
1
2
3
4
1
2
3
4
3 1
2 4
BLANK
BLANK
+12V
SOL COIL
SWITCH
GND
qny9xm-002
Inspection of Delay Timer_002
1 Delay timer
2 Coupler
3 Coupler position diagram
4 Wiring diagram
Alarm buzzer
There are two types of alarm buzzers,
intermittent and continuous, and they are
installed to notify the operator of abnormalities.
Note:
Identify the two buzzers by the length of the
wiring.
1 2
vpt6js-001
Alarm buzzer_001
1 Buzzer EBS-12 (continuous)
2 Buzzer EBM-12 (intermittent)
Inspection of Alarm Buzzer
Important
This alarm buzzer has a specific polarity.
When connecting it to the battery, make sure
to connect the positive (+) and negative (-)
terminals correctly.
Failure to do so may result in damage.
Prepare two extension cables.
Connect the extension cables and the
alarm buzzer cables.
Connect the red cable of the alarm buzzer
to the positive (+) terminal of the battery,
and the black cable to the negative (-)
terminal of the battery, and check that the
alarm buzzer sounds.
5
2
1
3
4
6
qvx78t-001
Inspection of Alarm Buzzer_001
1 Alarm buzzer
2 Red cable
3 Black cable
4 Battery
5 Positive (+) terminal
6 Negative (-) terminal
1.
2.
3.
LM551
Electrical System
Page 5-52
About The Electrical Components