24
TROUBLESHOOTING GUIDES (continued)
Does red light
come on when unit
is first turned on?
Does red light go
off shortly after
unit is turned on?
Yes Add water to
jacket of Kettle.
With the
potentiometer set
at 10, is 12 VDC at
the coil of the
relay?
No
Yes
Is 16 VAC
measured across
Pins 9 and 10 on
the controller?
No
Yes
Is 16 VAC at the
secondary side of
the transformer?
No
Replace
the on/off
switch (toggle
or rotary).
Yes
Is there Power to
the primary of the
transformer?
No
Replace the
transformer. Yes
Supply power
to the kettle.
No
Does the relay pull
in?
Yes
Replace the
relay. No
Is there power to
the blower?
Yes
With the high limit
temporarily
bypassed, is
power at the
blower?
No
Replace the
high limit.
Yes
Replace
the wire to
the blower.
No
Is there power to
the ignition
transformer?
Is there 24 VAC at
the secondary of
the ignition
transformer?
Is there 24 VAC to
the igniton
module?
Yes
Does the blower
turn?
Replace
blower. No
Yes
Yes
Replace the
DC relay.
Replace the
ignition
transformer
Replace the air
switch.
No
Is there 120 VAC
to the igniter? Yes
Replace
ignition
module.
No
Does the ignitor
glow?
Yes
Replace the
ignitor.
No
No
Does the gas
valve get 24 VAC
20 sec. after the
ignitor is
energized?
Yes
No
Does the gas
valve open?
Yes Replace gas
valve
No
Yes No