Primus D11, Руководство по обслуживанию

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Section 7 Electronic Control Troubleshooting
69. WILL NOT START/CONTINUE RUNNING – EDC CONTROL
(Sheet 1 of 3)
T029D
Is there voltage at
H4-4 on the EDC
control to transformer
neutral?
Is there power supplied
to the unit?
Is there voltage to input
of primary fuse(s)?
Is there voltage to
output side of the
primary fuse(s)?
Is there voltage
across terminals 1 & 2 of
transformer primary?
Plug unit in and run
it.
Correct wiring
between primary
fuse(s) and power
supply.
Replace primary
fuse.
Correct wiring
between primary
fuse and
transformer.
Is there voltage
across terminals 2 & 3 of
transformer
secondary?
Replace
transformer.
Is there voltage at the
input of the secondary
fuse?
Is there voltage to
output side of
secondary fuse?
Correct wiring
between secondary
fuse and
transformer.
Replace secondary
fuse.
NO
NO YES
YES
Is there voltage to N.O.
of door switch?
With door closed is
there voltage to COM
of door switch?
Is there voltage to N.O.
of lint drawer switch?
Is there voltage to
COM of lint drawer
switch with lint panel
closed?
Check for proper
operation replace if
necessary.
Correct wiring
between N.O. on lint
drawer and COM on
door switch.
Correct wiring
between N.O. and
output of secondary
fuse.
Check for proper
function of door
switch replace if
necessary.
YES
YES
YES
YES
YES
NO
NO
NO
Correct wiring
between H4-1 and
COM of lint drawer
switch.
Is there voltage at
H4-1 on the EDC
control board?
YES
Continued on next
page.
Replace EDC
Control.
NO
NO
NO
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
Note: Test conducted with vend
price satisfied and start button
pressed.
Single and stacked
units. Gas, electric and
steam heat. Single and
three phase supply.
T029D