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Troubleshooting
17. Washer Will Not Heat (Models equipped with heater)
Is there
120 Volts across
the heater?
Correct wiring
between door lock
and terminal 3
on heat relay.
No
No
Yes
(3)
(4)
Yes
Replace
heater.
Yes
Correct wiring between
temperature switch and control
or replace temperature select
switch.
Is there
120 Volts across
terminals 1-2 on
the heat relay?
No
Replace
machine control.
Is there
120 Volts between
terminal 3 on the
heat relay and
neutral?
Is the
pressure switch
satisfied?
The heater will not
come on until the
pressure switch is
satisfied.
No
Yes
Yes
(2)
(1)
Is the
"Heating" light
lit?
Is "Boosted Hot"
selected on
temperature select
switch?
No
Yes
No
Yes
Is
there 5 Volts DC
between terminals "H9-3"
and "H9-10", 0 Volts DC between
"H9-4" and "H9-3" and 0 Volts
DC between "H9-9"
and "H9-3"?
Replace
heat relay.
FLW1724S
