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MAC SCR Series - Page 14

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ACTION
MEASURE
IF
THEN
Step 9 - Keep negative test lead as
located in Step 3. Place positive test
lead on #6 pin of the white 17-pin J1
connector on circuit board. Note that
#1 pin of J1 connector starts on the
other end of the circuit board across
from the green LED.
Step 10 - Plug DC connector into
receptacle. Measure voltage and
unplug.
Measure Voltage
1.70vpc-2.16vpc
No
Check connection from
circuit breaker or fuse to
#6 pin of J1 connector on
the circuit board.
Step 11 - keep negative test lead as
located in Step 3. Place positive test
lead on #16 on J1 connector.
Step 12 - Plug DC connector into
receptacle, measure voltage and
unplug.
Measure Voltage
1.70vpc-2.16vpc
No
Check connection from
circuit breaker or fuse to
#16 pin of J1 connector
on circuit board.
Step 13 - Keep positive test lead
located in Step 11. Move negative test
lead to #5 pin of J1 connector on the
circuit board.
Step 14 - Plug DC connector into
receptacle. Measure voltage and
unplug.
Measure Voltage
1.70vpc-2.16vpc
No
Check connection from
shunt or fuse to #5 pin of
J1 connector on the
circuit board.