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BD-S / BD-S-UL, ED-S / ED-S-UL, FD-S / FD-S-UL (E1) 10/2020 page 31/59
15. Troubleshooting
Fault description
Possible cause
Required measures
Chamber without function. Con-
troller display is dark.
No power supply.
Check connection to power supply.
Overtemperature protective
device class 1 has turned off
the chamber.
Contact BINDER service.
Controller defective.
Contact BINDER service.
Chamber without function. Con-
troller shows “OFF” on lower
display and actual temperature
value on upper display.
Chamber in standby mode. Press the confirmation button.
Set-point temperature is not
reached after specified time.
Chamber door not properly
closed.
Completely close chamber door.
Door gasket defective.
Replace door gasket,
Controller not adjusted.
Calibrate and adjust controller.
Wrong voltage.
Check the power supply for correct
voltage (chap. 4.2).
FD-S / FD-S-UL:
The fan doesn’t turn or turns too
slowly.
Fan defective. Contact BINDER service.
Chamber heating permanently,
set-point not held.
Controller defective.
Contact BINDER service.
Pt 100 sensor defective.
Semiconductor relay defective
Controller not adjusted.
Calibrate and adjust controller.
Chamber doesn’t heat up. Status
LED “Heating active” is lit.
Heating element defective.
Contact BINDER service.
Semiconductor relay defective.
Chamber doesn’t heat up. Status
LED “Heating active” is not lit.
Controller display working.
Timer run off.
Re-program the timer or turn it off.
Semiconductor relay defective.
Contact BINDER service.
Controller defective.
Chamber doesn’t heat up. Status
LED “Safety controller active” is
lit.
BD-S / BD-S-UL:
Safety controller class 3.1 has
responded.
Check the settings of the tempera-
ture set-point and of the safety con-
troller. If appropriate, select suitable
limit value. See chap. 9.2.
ED-S / ED-S-UL, FD-S / FD-S-
UL:
Safety controller class 2 has
turned off the heating.
Let cool down the chamber. Press
the confirmation button (chap.
9.2.2). Check the settings of the
temperature set-point and of the
safety controller. If appropriate, se-
lect suitable limit value.
Safety controller defective.
Contact BINDER service.
Deviations from the indicated
heating-up times.
Chamber fully loaded.
Load the chamber less or consider
longer heating-up times.
Controller shows “OFF” on lower
display and “OPEN” on upper
display.
Sensor rupture between sen-
sor and controller.
Contact BINDER service.
Only qualified service personnel authorized by BINDER must perform repair.
Repaired chambers must comply with the BINDER quality standards.
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