MARK V
4-1
HEAT SYSTEM
POSSIBLE CAUSE(S) SUGGESTED REMEDY
Symptom #1 - Oven heaters and motor do not run
D Oven not plugged in.
D Circuit breaker tripped.
D Doors not closed tightly.
D 10 amp fuse on control panel may be blown.
D Door switch inoperative.
D Mode selector switch inoperative.
D If control configuration has fan delay pulse plus
feature, this feature may be activated.
D If control configuration has a cycle feature this
feature may be activated.
D Convection motor out due to thermal overload.
D Plug in oven.
D Reset breaker, check amp draw. Reference electriĆ
cal specifications on page NO TAG of the IntroducĆ
tion.
D Close doors tightly.
D Replace the fuse and check for shorts.
D Replace door switch.
D Replace mode switch.
D Deactivate fan delay pulse plus.
D Deactivate the cycle feature.
D Check for external heat against the motor. (such as
improper flue connectors on double stack unit.
D Check for motor overamping. Replace the motor.
Symptom #2 - Convection fan motor does not operate
D Oven is not plugged in
D Oven not set to cook mode.
D Circuit breaker tripped.
D Door switch inoperative.
D Motor off due to thermal overload.
D If control configuration has standard fan delay
pulse plus feature, this feature may be activated.
D If control configuration has solid state digital conĆ
trols with pulse or cycle feature, this feature may
be activated.
D Plug in oven.
D Turn oven mode switch to on.
D Reset circuit breaker and check the amp draw.
Reference electrical specifications on page
NO TAG of the Introduction.
D Replace door switch.
D Check for external heat on the motor.
D On double stacked units check that the flue conĆ
nector is properly installed.
D Check the amp draw. If too high, replace the moĆ
tor.
D Deactivate fan delay pulse plus feature.
D Deactivate the pulse or cycle feature.
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