CORNING LSE 6783 Gebrauchsanweisung - Seite 7

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12.0

TROUBLESHOOTING

Review the information in the table below to troubleshoot operating problems.

Problem on

Display

Er1

Er2

Er3

13.0

CLEANING AND MAINTENANCE

Prior to any cleaning or maintenance of the unit, disconnect the power cord from the

wall outlet.

1. No routine maintenance is required on the unit.

2. Clean the unit internally and externally with a damp cloth and mild soap. Do not

immerse the unit or spill liquids into or on the unit. Allow the water bath to dry

completely inside and out before reconnecting the power and using.

Cause

Temperature probe is not in

range

Temperature is more than

5°C higher than the set

temperature

If after two hours

temperature does not reach

SET temperature

Solution

Examine temperature probe.

Faulty control board.

Examine SET temperature.

Examine parameters for heating.

Examine parameters for heater.

Faulty control board.

Examine temperature probe.

Examine heater.

Examine temperature safety fuse.

Faulty control board.