BKI COq Convection Oven - Manual (Page 27)

Convection Oven Maintenance
25
Problem Indication Cause Possible Solution
Failed R5 relay. Heating Elements heat but
Fans do not start when
Preheat is touched on
screen. High Limit
Thermostat will trip if
condition goes
undetected.
Defective Controller
output.
Call BKI service technician.
Troubleshoot cause & replace
defective component.
Failed Heating Element.
Failed Fan Motor(s).
Oven Preheats slowly or
does not achieve preheat
temperature
Blocked air ports in
Temperature Probe.
Call BKI service technician.
Troubleshoot cause &
replace defective component.
Fans & Heating Elements
do not restart after oven is
loaded & Cook is touched
on screen. Inner Door not
(completely) closed. Close door, make certain
magnetic latch on handle side
of door contacts face of oven.
Inner Door
completely closed. Failed Inner Door
Magnetic Sensor. Call BKI service technician.
Replace magnetic sensor.
Oven shuts down during
Preheat or Cook cycle,
Main Power Indicator is lit. High Limit
Thermostat(s) tripped. Call BKI service technician.
Identify & resolve cause of
trip (failed fan motor), reset
thermostat(s)
Failed Heating Element.
Failed Fan Motor(s).
Product not done at end of
cook cycle, poor product
color.
Failed Relay (R2, R4
or R5).
Call BKI service technician.
Troubleshoot cause &
replace defective component.
Product overcooked at end
of cook cycle, dark product
color. Blocked air ports in
Temperature Probe. Call BKI service technician.
Replace defective
component.
Ventilation slots in
back obstructed. Clear obstruction(s). Fan Motor(s) stop during
Preheat or Cook cycles.
Cooling Fan(s) failed. Call BKI service technician.
Replace cooling fan(s).