Shellab SCO2W-2 - Manual (Page 21)

21
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.
Solenoid valve buzzing
After removing solenoid clean with alcohol for carbon build-up then blow
out. Check valve seat or channels for contamination. Check CO2 filter
and/or grade of CO2 used. If seat is worn, replace.
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
1/ 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, 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 in Installation section 3.0
2/ develop and follow Standard operating procedure for specific
application; include definition of cleaning technique and maintenance
schedule.
NOTE: THE TEMPERATURE OF THE GLASS DOOR AND THE INTERIOR CHAMBER WALLS MUST BE EQUAL
TO PREVENT CONDENSATION.
The incubator is designed so that no internal electrical servicing should be required under normal conditions. If
electrical servicing is necessary, it should be performed by qualified service personnel. FOR PERSONAL SAFETY,
ALWAYS DISCONNECT THE POWER BEFORE SERVICING.