Minuteman E24 - Page 64

18. Testing the Main Power Relay
B
Di it l V lt M t
B
-
From Battery
B+
From Battery
25 Volts
Di
g
it
a
l
V
o
lt
M
e
t
er
B
25
Volts
B
+
B
-
Controlled
OR
B
Controlled
Note: Measure the voltage from a battery negative
source to the B+ terminal of the main relay’s coil to
-
+
determined of the B+ is being supplied to the coil. It
should be 24 volts. If not, inspect control board and
key switch circuit
+-
Batteries
64