Baroness LM551, Service Manual, Page: 132 / 213

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#4mower up-down
#5mower up-down
All mowers up-down
#1 #4 #5mower rotation
#2 #3mower rotation
#1 #4 #5mower reverse
#2 #3mower reverse
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wjtx6n-001
Terminal Relay Operating Conditions_001
1 Relay 1
2 Relay 2
3 Relay 3
4 Relay 4
5 Relay 5
6 Relay 6
7 Relay 7
8 Relay 8
9 LEDs
Inspection of Terminal Relay
Measure the continuity of the terminal relay to
determine if it is good or faulty.
Remove all terminal relay wires.
Use a circuit tester and check that the
continuity is in the following condition, using
the table below as a guide.
Continuity 9 - 5 10 - 6 11 - 7 12 - 8
No
continuity
9 - 13 10 - 14 11 - 15 12 - 16
1 1
2
3
4
5
com
6
7
10
9
11
12
14
13
15
16
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&20 &20 &20 &20
bsdzeb-003
Inspection of Terminal Relay_001
Important
This relay has a specific polarity.
When connecting the battery, always connect
positive (+) to the COM terminal.
Connect COM to the battery (+), and
terminal relay terminals 1 to 4 to the battery
(-).
Check that the LED illuminates in the
positions that the battery is connected.
Check for continuity while the LED is
illuminated, and that the results are as
shown in the table below.
Battery (+) COM COM COM COM
Battery (-) 1 2 3 4
LED
illumination
1 2 3 4
Continuity 9 - 13 10 - 14 11 - 15 12 - 16
No
continuity
9 - 5 10 - 6 11 - 7 12 - 8
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4.
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LM551
Electrical System
Page 5-46
About The Electrical Components