Primus D11, Service Manual

Page: 53 / 160

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Section 7 Electronic Control Troubleshooting
64. WILL NOT START – ELECTRIC – ROTARY COIN DROP
(Sheet 1 of 2)
T075D
Coin Drop with and without time delay boards.
Single and stacked units. Single and three phase
power supply.
Is there power supply
voltage coming to the
unit?
Connect power to
the unit and run
cycle.
NO
YES
Is there voltage at
the primary side of the
transformer at terminals
1 & 2?
NO
YES
Is the primary
fuse good?
YES
Correct wiring
between transformer
and power supply.
Replace
fuse and
run
machine.
NO
Is there voltage
at the secondary side of the
transformer at terminal
2 and 3?
Replace the
transformer.
NO
YES
Is there voltage
to the output side of the
secondary fuse?
Is the
secondary
fuse good?
NO
Replace
fuse and
run
machine.
NO
YES
Correct wiring
between secondary
of transformer and
fuse.
YES
Is there voltage to
N.C. terminal of
switch A on rotary
coin drop?
Note: Reference voltage
to transformer neutral.
(White wire)
Correct wiring
between rotary
coin drop and
secondary fuse.
NO
YES
Is there voltage on the
COM terminal of switch
A?
Note: The following
checks are made with
the vend price satisfied.
Replace switch A.
NO
YES
Is there voltage
across coinmeter timer
motor?
Correct wiring
between
coinmeter timer
motor and COM
on switch A.
NO
Does the
coinmeter timer motor
advance?
YES
NO
YES
Replace coinmeter
timer motor.
Correct wiring
between N.O. on
door switch and
COM on switch A.
Is there voltage at
N.O. terminal of the
door switch?
NO
With the door
closed is there
voltage across the
door switch?
Check door switch
for proper operation,
replace if necessary.
Is there voltage to
the N.O. terminal of
the lint panel
switch?
Correct wiring
between N.O. on the
lint panel switch and
COM of door switch.
With the lint
panel closed is there
voltage across the
lint panel switch?
Check lint panel
switch for proper
operation and
replace if necessary.
YES
YES
NO
NO
YES
YES
NO
Is the unit equipped
with time delay
boards?
YES
NO
Continued on next
page at step 1.
Continued on next
page at step 2.
Step 3 continuation.
T075D