BINDER KB 23 - Manual (Page 83)

KB (E3.1 + E5.1) 11/2014 page 83/100
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.