Doyon AOP3G, User Manual, Page: 15 / 59

A13
If the OVERHEAT WARNING light is on,
and you hear the warning buzzer.
Check if the cooling fan airflow is not
obstructed.
Check the cooling fan if it is running. If not,
call a qualified technician to replace it.
(Electrical components may be damaged if it is
not repaired immediately.)
OPTIONAL
Manual fill water pan.
The warning red light in the front control
panel stays on when the water pan is full.
You have no more water in the principal water
pan.
Check if the water line is not in air lock
condition. Disconnect the water line at the inlet
of the green solenoid valve and clean the
strainer filter.
Also clean the principal water pan and the float
switch.
If there is no light in the proofer.
1.Verify every breaker in front of the proofer.
2.Verify the main proofer switch and the main
proofer contactor.
If there is no heat in the proofer. 1.Verify every breaker in front of the proofer.
2.Verify whether the pilot light will function by
raising the thermostat to a higher setting. If yes,
verify element. If not, verify pilot light,
thermostat or contactors.
If there is no humidity in the proofer. Verify whether the pilot light works when you
increase the humidity to the position high. If yes,
verify if water comes in the reservoir and check
the water level switch box and the float switch.
Verify if limestone obstructs the waterflow. If the
float switch is working fine, verify the contactor
P1 and the immersion element. If the pilot light
does not lite, verify the pilot light and the infinite
switch.
Do not allow any obstruction to free the airflow of the burner.
CAUTION
Never try to modify the burner controls. This must be done only by a qualified
technician and under the company's instructions.