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19. Troubleshooting

Fault description

Possible cause

Required measures

Heating

Set-point temperature is not

reached after specified time.

Unit door not properly closed.

Completely close unit door.

Door gasket defective.

Replace door gasket.

Controller not adjusted, or

adjustment interval exceeded.

Calibrate and adjust controller.

Chamber heating permanently,

set-point not maintained.

Controller defective.

Contact BINDER service.

Semiconductor relay defective

Controller not adjusted, or

adjustment interval exceeded.

Calibrate and adjust controller.

Chamber doesn’t heat up.

LED (3a) “Heating active” lit.

Heating element defective.

Contact BINDER service.

Semiconductor relay defective.

Chamber doesn’t heat up.

LED (3a) “Heating active” not lit.

Safety controller has turned off

the oven. Limit temperature

reached. Safety controller set too

low.

Allow the unit to cool down and

press the “EXIT” button. Check

temperature set-point and setting of

safety controller. If appropriate,

select suitable limit value.

Safety controller defective.

Contact BINDER service.

Semiconductor relay defective.

Controller defective.

Unit without function.

No power supply.

Check connection to power supply.

Wrong voltage.

Check power supply for voltage of

100-120V or 200-240V.

Unit fuse has responded.

Check unit fuse and replace it if

appropriate. If it responds again,

contact BINDER service.

Controller defective.

Contact BINDER service.

Nominal temperature exceeded

by 10° due to unit failure. Over

temperature protective device

(class 1) responds.

Deviations from the indicated

heating-up times.

Oven fully loaded.

Load the unit less or consider

longer heating-up times.

Mechanical safety device class

3.1 responds

(with option safety device class

3.3).

Limit temperature reached.

Check setting of temperature set-

point and of safety device class 3.1.

If appropriate, select suitable limit

value.

Too much external heat load.

Reduce heat load.

Controller defective.

Contact BINDER service.

Safety device defective.

Semi-conductor relay defective

Mechanical safety device class

3.2 responds

(with option safety device class

3.3).

Limit temperature reached.

Check setting of temperature set-

point and of safety device class 3.2.

If appropriate, select suitable limit

value.

Controller or safety device

defective.

Contact BINDER service.

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