Shellab SGO6E-2 - Manual (Page 12)

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1/ ±0.1 may be normal but gravity models may vary ±2.0 degrees
2/ is ambient room temperature radically changing
– either door opening
or room airflow from heaters or air conditioning ? – stabilize ambient
conditions .
3/ it may happen if exhaust stack is 100% open
– adjust stack to at least
¼ closed.
4/ calibration sensitivity
– call Customer Service
5/ Thermostat set too low – be sure that it is more than five degrees over
desired set point; check if pilot is on continuously; turn controller knob
completely clockwise to see if problem solved then follow instructions in
section 6.5 for correct setting.
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
3/ check all wiring connections, esp. around the on/off switch
Unit is smoking – out of box
Put unit under vent and run at full power for one hour.
Contamination in chamber
1/ See cleaning procedure section 7.1
2/ Develop and follow a standard operating procedure for specific
application; include definition of cleaning technique and maintenance
schedule