Boiler won't fill.
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PROBLEM:
24CGP10
Gas boiler
won't fill
Yes
Is there 115 VAC
to the steamer?
Is there water to
the steamer?
Supply 115
VAC to the
steamer.
Supply cold
water to the
steamer.
Replace the
on/off rocker
switch .
Is there 120 VAC
between the L1
and L2 on the
water board?
Is there
120 VAC between
L2 and W F on the
water board?
Replace the
wiring to the fill
solenoid.
Is there
120 VAC across
the coil of the fill
solenoid?
Replace the fill
solenoid
Yes
Is
water leaving the
fill solenoid?
Replace wiring
to drain
solenoid.
Does
the steamer have
the optional
intermittent
blowdown timer?
Replace the
wiring to the
intermittent
blowdown
timer .
Is
there 120 VAC
between terminals
2&3 on the timer?
Replace the
intermittent
blowdown
timer.
Is there
120 VAC across
the coil of the
drain valve?
Is water draining
from the
generator?
If water
is leaving the fill
solenoid and not
draining from the
generator where is it
going? check for
leaks..
Remove
the wire from the HI
terminal on the water
board. Is there 120
VAC between L2 and
WF?
Replace the
water board
Replace the
drain valve.
No
Replace float
switch
Yes