Shellab SMI39-2 - Manual (Page 14)

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2/ Assure that gasket is in original location.
3/ Adjust hinge blocks or twist the door.
4/ Confirm that unit has not been damaged and body is square.
Motor doesn't move
1/ If shaft spins freely: check connections to motor and check voltage to
motor.
2/ If shaft rubs or is frozen, relieve binding and retest.
Motor makes noise
1) Make sure that the fan or blower wheel is not contacting its housing.
Adjust the motor mounting bracket position to re-center the fan or
blower wheel, if necessary.
2) Check the fan or blower wheel for damage or out of balance
condition. Replace the fan or blower wheel if it is damaged or out of
balance.
3) Turn the motor shaft to make sure that it spins freely. If it binds or the
bearings make a rubbing or scrapping sound then replace the motor.
OTHER
Controller on at all times - "locked-up"
1/ Turn unit off and on to reset.
2/ If cannot change any condition on the front panel, call Customer
Service.
Front panel displays are all off
Check for wire damage.
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.
3/ See if unit is on, e.g., fan or heater, and just controller is off.
4/ Check all wiring connections, especially around the on/off switch.
Unit is smoking – Out of box
This is not an uncommon occurrence when first operating new units.
Put unit under vent and run at full power for one hour.
– smoking is
normal during first cycle to temperature.
Contamination in chamber
1/ See cleaning procedure in section 2.5.
2/ Develop and follow standard operating procedure for specific
application; include definition of cleaning technique and maintenance
schedule.
If following these troubleshooting suggestions does not solve the problem call your customer service
representative for assistance. Please see the manual cover for information on where to contact customer
service.