Mechanical; Other - Labnet 311D Instruction Manual

Code Description
Temp-9 Will not maintain set point
Temp-10 Display and reference thermometer
don't match
Temp-11 Can't adjust set points or calibration
Temp-12 Calibrated at one temperature, but not
at another

9.2 Mechanical

Code
Description
Mech-1 Door not sealing
Mech-2 Motor doesn't move
Mech-3 Motor makes noise

9.3 Other

Code
Description
Other-1 Controller on at all times – "locked-up"
Other-2 Front panel displays are all off
Other-3 Unit or wall fuse/circuit breaker is
blown
Other-4 Unit will not turn on
Other-5 Unit is smoking – out of box
Other–6 Contamination in chamber
Should you have a question about the Labnet 311D and 611D Digital Incubators or require service for the unit, contact Corning
Customer service at 800.492.1110 or 978.442.2200. Do not send a unit for service without first calling to obtain a repair authorization
(RA) number. The unit should be properly packed to avoid damage. Any damage resulting from improper packaging shall be the
responsibility of the user.
Solution
Assure that set point is at least 5°C over ambient.

See if ambient is fluctuating – check for adjacent open doors or HVAC duct

openings, stabilize ambient conditions.
Calibration error – see Section 7.2.

Temperature sensor failure – evaluate if pilot light is operating correctly.

Controller failure – evaluate if pilot light is operating correctly.

Allow at least 24 hours to stabilize at set point temperature.

Verify that reference thermometer is certified.

Turn entire unit off and on to reset.

If repeatedly happens, call Customer Service.

This can be a normal condition when operating temperature varies widely. For
maximum accuracy, calibration should be done at or as close to the set point
temperature as possible.
Solution
Check physical condition of gasket.

Tighten door latch till it pulls glass in.

Adjust hinge blocks or twist the door.

Confirm the unit has not been damaged and body is square.

Call Customer Service.
Call Customer Service.
Solution
Turn unit off and on to reset.

If cannot change any condition on the front panel, call Customer Service.

Check the power cord for damage.

If there is no damage, call Customer Service.

Check wall power source.

Compare current draw and compare to specs on data plate.

See what other loads are on the wall circuit.

Check wall power source.

Check fuse/circuit breaker on unit or in wall.

See if unit is on (e.g., fan or heater) and just controller is off.

This is not an uncommon occurrence when first operating new units. Put the
unit under the vent and run at full power for one hour. Smoking is normal
during first cycle to temperature.
See cleaning procedure in see Section 8.0.

Develop and follow standard operating procedure for specific application;

include definition of cleaning technique and maintenance schedule.
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