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Low Profile –1600 Series Advantage Digital Service Manual – Int’l
6
Gas pressure switch (internal to
gas valve)
Check for supply voltage to neutral on both sides of
switch. If voltage is present on one side of switch only,
check the following. Check for proper gas pressure
supply to gas valve.(Marked on oven spec. plate.)
Check for proper adjustment of gas pressure switch,
should be set at 10 for Nat., 27 for LP, or 4.5 for town
gas. Check gas filter in gas valve for blockage or
damage. (See Adjustment section for location.) If the
above checks OK, but switch is still not closed replace
gas valve.
Oven air pressure switch Check for supply voltage on both sides of switch. If
voltage is present on one side only, check for air tube
blockage. Adjust air pressure switch. If the above fails,
replace air pressure switch.
Hi-limit thermostat Terminals are normally closed. If open, reset and test
oven for proper operation. If thermostat will not hold
for maximum oven temperature, and oven is not
exceeding maximum temperature dial setting, check
for proper location of capillary bulb in its spring holder
If above checks OK, replace hi-limit.
Ignition control Check for supply voltage to ignition control at terminal
#1 and neutral. If voltage is not present, trace wiring
back to hi-limit thermostat. Check for supply voltage at
terminal #6 to neutral. If no voltage is present, wait 30
seconds and check reset button. If above fails,
replace ignition control.
Burner reset switch Switch is normally open. Check to see that the switch
closes when reset button is pushed. Replace as
needed.
Burner blower motor Check for supply voltage to burner blower motor.
WITH POWER OFF: Turn blower wheel to check for
locked rotor. If supply voltage is present and motor
does not run, replace motor.
Burner blower motor Air
pressure switch
Check for supply voltage switching to terminal
N.O. as the air pressure switch closes. Check for air
tube blockage or misalignment, adjust air pressure
switch. If the above fails, replace air pressure switch.
Spark generator After a pre-purge time of 30 to 60 seconds after
blower motor starts, check for supply voltage to spark
generator. If voltage is not present, Check reset
button located on rear of control box. If voltage is still
not present, replace ignition control. If voltage is
present, visually check for spark at igniter head.
Igniter/sensor assembly Check for visible damage to igniter/ sensor assembly.
If there is no visible damage to the components, and
no spark, replace the spark generator. If there, is
visible damage to the igniter/sensor assembly,
replace. Also check for frayed or damaged wires in
burner tube.
Gas valve Check for supply voltage to gas valve. If there is no
voltage present, check reset button, check all
connections for tightness. If there still is no voltage at
gas valve, replace ignition control. If there is voltage
present, check for gas pressure at gas pressure tap
located in gas piping at burner manifold. If there is no
gas pressure, replace gas valve.