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TROUBLESHOOTING AND DIAGNOSTICS
PROBLEM
CAUSE
No Power
GREEN Lamp
Power supply circuit breaker to entire
Does Not
Oven is tripped
Illuminate
When Switch
Emergency STOP Switch
(A) is Set to
pushed in
"ON"
Oven Controller
No Power
Power supply circuit breaker to entire
Oven is tripped
Emergency STOP Switch
pushed in
Heating
Elements Fail
A Heating Element is faulty.
To Heat
A Heating Switch Contactor is faulty
The Heat On Switch is faulty
Oven Controller
Input voltage too low
Oven Fails to
Oven being operated in excessively low
Reach Curing
(under 32°F [0°C]) ambient temperature
Temperature
conditions
Oven Controller
Heating Ele-
A Heating Switch Contactor is faulty and
ments Will Not
stuck in the closed (ON) position.
Shut Off
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CORRECTION
Check 220 VAC, 60Hz, power source and connection to entire Oven unit.
Reset circuit breaker.
is
(E)
Pull Emergency STOP Switch
is faulty.
Replace Oven Controller
(D)
Check 220 VAC, 60Hz, power source and connection to entire Oven unit.
Reset circuit breaker.
is
(E)
Pull Emergency STOP Switch
With all power disconnected, check for resistance in Heating Element.
If open, replace Heating Element.
Check for continuity of Contactor, If open, replace Heating Switch Contactor.
Check for continuity of Switch, If open, replace Heat On Switch.
is faulty.
Replace Oven Controller
(D)
Determine the cause of low input voltage condition or consult a licensed
electrician for diagnosis.
Do not operate Oven until ambient temperature conditions are favorable.
is faulty
(D)
.
(D)
.
(D)
Replace Oven Controller
.
(D)
Disconnect Oven from power supply. Replace Heating Switch Contactor.
out.
(E)
out.
(E)
11
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