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8.0 Troubleshooting Guide
Problem Solution
Display/LEDs do not light up
1. Check power cord and outlet.
2. Check On/Off switch.
3. Check fuse.
4. Contact Corning Life Sciences for service.
Unit not heating
1. Is set point below room temperature?
2. Is “Start” LED illuminated?
3. Press “Start” key.
4. Contact Corning Life Sciences for service.
Unit display overshoots
1. Normal operation. Display set point in
heat-up overshoots on initial heat-up
but block and sample do not overshoot
(see Operation section).
Block or sample temperature 1. Is unit in heating mode?
not the same as display
2. Is unit sitting in a drafty area?
temperature
3. Check accuracy of thermometer.
4. Is thermometer making good contact?
5. Follow calibration procedure.
9.0 Service and Repair Information
If you have a question about the Corning® LSE™ Digital Dry Bath Heater or
have a service inquiry, contact Corning Customer Service immediately at:
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1.800.492.1110 (for toll-free calling within the U.S. and Canada)
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1.978.442.2200 (outside the U.S.), or
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Contact your local Corning support office listed in the back of this manual.
Before returning any unit for service, a Return Authorization (RA) number
must first be obtained. Equipment sent in without prior authorization
will be returned at the customer’s expense. When returning a unit to
Corning for service, it should be sent in the original packaging. If this is not
possible, be sure that the unit is sufficiently packed. Any damage resulting
from improper packaging is the responsibility of the customer. A written
explanation should accompany the unit along with the RA number.
