10.0 Troubleshooting And Service; 11.0 Accessories - Labnet 311DS Instruction Manual

10.0 Troubleshooting and Service

Problem
Oven will not power on or not heat
Shaking platform will not operate
Temperature too high
Chamber temperature goes above setpoint and settles
back to setpoint
Temperature will not remain stable or display shows "LO" Check that setpoint is at least 5°C above ambient (or 10°C above ambient
Indicated temperature is unstable
Temperature is too low
Unit will not heat above temperature that is below
setpoint
Temperature display and reference thermometer do not
match
Cannot adjust setpoint , calibration, or display
Unit calibrated at one temperature and not at another
Should you have a question about the Labnet 311DS Shaking Incubator 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.

11.0 Accessories

Cat. No. Description
I-5322 Full-sized shelf for digital shaking incubator
I-5330 Shaking platform for flask clamps
I-5331 Flat platform with rubber mat
I-5330-50 Platform with 30 x 50 mL flask clamps
I-5330-125 Platform with 20 x 125 mL flask clamps
I-5330-250 Platform with 12 x 250 mL flask clamps
I-5330-500 Platform with 8 x 500 mL flask clamps
I-5330-1000 Platform with 6 x 1,000 mL flask clamps
I-5330-2000 Platform with 4 x 2,000 mL flask clamps
Check with your representative or check www.labnetlink.com for a complete listing of accessories and flask clamps.
Solution
Check power cord, outlet, and unit circuit breaker.
Check timer set to Hld or a time setting.

Check that nothing is blocking the shaker platform.

Press shaker Stop/Start button.

Check setpoint and readjust, if necessary.

Check calibration.

This is normal operation in initial heat up or if the door is opened for a
long period.
when shaker is on) which is minimum operating point.
A slight variation of ±0.1°C is normal. Larger fluctuations may be ambient
variations from drafts, door opening and closing, a fan obstruction or
failure or electrical noise from RFI (motors, etc.).
If the door has been opened, the unit may not have recovered yet.

Confirm temperature setpoint.

Safety thermostat is set too low.

Confirm temperature setpoint.

Check the temperature of the chamber with a thermometer, and

recalibrate if needed.
Be sure the unit has been allowed to stabilize for 1 hour. Thermometer
should be suspended in the chamber and not touching any surface. Only
certified reference thermometers should be used.
Turn the unit Off for 5 seconds to reset. If problem persists, call for service.
This can be a normal condition if temperatures or load vary widely. For
best accuracy, calibrate at setpoint .
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