Service manual

70380601 145
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Quantum Control Troubleshooting
59.CE Models “Door Open” Indicator
Replace control.
Is there voltage across
terminals H5-7 and
H5-3 on the control?
Yes
Correct wiring
between loading
door and control.
Is there
voltage at
COM terminal of lint
door switch
(LDS)?
Yes
No
Make sure lint
door is closed.
Check function
of LDS.
Replace if
necessary.
Is there voltage at
N.C. terminal
of LDS?
Yes
No
Correct wiring
between DS
and LDS.
Is
there voltage
at COM terminal
of door switch
(DS)?
Yes
No
Make sure door
is closed.
Check function
of DS. Replace if
necessary.
Is there
voltage at N.C. terminal
of DS?
Yes
No
Correct wiring
between F3 and DS.
Is there
voltage on
output side
of F3?
Yes
No
Replace fuse.
Is
there voltage to
input side
of F3?
Yes
No
Correct wiring
between fuse
and transformer.
Is
there voltage on
the secondary side
of transformer?
Yes
No
Replace
transformer.
Is there
voltage supplied to the
primary of the
transformer?
Yes
No
Verify primary fuses are good. Replace
if necessary. Check and correct wiring
between power terminal block and
transformer. Verify machine has
supply voltage.
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
Note: All voltage checks
are referenced to the
transformer common
unless otherwise
stated.
No
TMB2289S