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Heat Error E Ht (Steam Heat)
(A)
On AP2 is the
dipswitch set to on
to enable heat?
Yes
Is heat enabled in
programming?
Yes
Is there water in the
machine?
Yes
(B)
Is there 24VDC
between H14-1 and
H14-2?
No
Is steam to the
machine turned on?
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Turn off power to the
machine. Set the
No
dipswitch per
schematic. Turn power
back on.
Enable heat in
No
programming.
See No Water Flow
No
Error (No Fill).
(B1) Low level pressure
sSwitch is open.
Check hoses and
Yes
wiring to switch.
Replace low level
pressure switch if
needed.
No
Turn on steam.
Yes
When heat step is on
is there 24VDC
between H14-6 and
H14-4?
Yes
Check wiring from AP1
to steam valve. If
24VDC is present at
the steam valve and
steam does not flow
replace steam valve.
75
Troubleshooting
(C)
No
(C1)
Part No. F8677701EN
Replace AP1.
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