25
TROUBLESHOOTING GUIDES (continued)
PROBLEM:KGLKettle NotHot Enough
With kettle pot
empty and
temperature knob
set at 10, is the
temperature of the
surface of the pot
260 degrees?
Unit is
operating
properly
Yes
When unit is cold
(room temp) is the
pressure gauge in
the green?
No
Vent
the kettle per
instructions in
the manual.
No
When the unit is
calling for heat
(the green light is
on), is there flame
at the burner?
Yes
Is the resistance of
the thermister
100,000 ohms
+10% at room
temperature?
Yes
Replace the
thermister.
No
Is the
potentiometer
resistance 50,000
ohms at low and 0
ohms at high?
Yes
Replace
controller.
Yes
Replace the
potentiometer.
No
Does the kettle
heat at all? Yes
See Problem:
Kettle won't
heat.
No
Is the blower
turning?
Replace the
high limit?
Is there voltage to
the blower?
No Yes
No
Replace the
blower
No
Replace the air
switch
Yes
PROBLEM: KGL Kettle Has Delayed Ignition
Delayed Igniton
Is the gas
pressure to the
burner 3.5" W.C.?
Adjust or
replace the gas
Valve.
Does the ignior
glow evenly
Replace ignitor.
No
Yes
No
Does the gas
valve get 24 VAC
20 seconds after
the ignitor is
energized?
Replace the
ignition
module.
Is the blower
turning?
Replace blower
and air switch.
Replace burner
Yes
No
Yes
No
Yes