Shellab SMO5E-2 - Manual (Page 12)

12
TROUBLESHOOTING
TEMPERATURE
Temperature too high
1/ controller set too high
2/ controller failed on
– call Customer Service
Chamber temp spikes over set point and
then settles to set point
Recalibrate – see section 6.3 and 6.4
Temperature too low
1/ Thermostat set too low – see section 6.5
2/ controller set too low – see section 6.4
3/ unit not recovered from door opening – wait for heating indicator to turn
off
4/ unit not recovered from power failure or being turned off
– oven will
need 1 hour to warm up and stabilize
Unit will not heat up at all
1/ verify that controller is asking for heat by looking for heating indicator
light
– if pilot light is not on continuously at initial start up, there is a
problem with the controller
2/check amperage
– amperage should be virtually at maximum rated
(data plate) amperage
3/ is the Thermostat set high enough?
– for diagnostics, should be fully
clockwise with the pilot light never on
4/ has the fuse/circuit breaker blown?
Will not maintain set point
1/ assure that set point is at least 5 degrees over ambient room
temperature.
2/ see if ambient is fluctuating
MECHANICAL
Door not sealing
1/ Confirm that the door gasket is aligned properly.
2/ Confirm that unit has not been damaged and that the body is square.
OTHER
Unit or wall fuse/circuit breaker is blown
1/ check wall power source
2/ compare current draw and compare to specs on data plate
3/ see what other loads are on the wall circuit
Unit will not turn on
1/ check wall power source
2/ check fuse/circuit breaker on unit or in wall
Unit is smoking – out of box
Put unit under vent and run at full power for one hour.
Section
8