BINDER BD 23 - Manual (Page 45)

BD / ED / FD (E2) 02/2015 page 45/63
11. Troubleshooting
Fault description Possible cause Required measures
Temperature
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.
Wrong voltage.
Check power supply for voltage of
115V or 230V.
FD: 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, or
adjustment interval exceeded. Calibrate and adjust controller.
Chamber doesn’t heat up.
Red heating control light in the
display is lit.
Heating element defective.
Contact BINDER service.
Semiconductor relay defective.
Chamber doesn’t heat up.
Red heating control light in the
display is not lit.
Controller display working.
Timer run off.
Program the timer or change to time
function Continuous operation
(chap. 6.3)
Semiconductor relay defective.
Contact BINDER service.
Controller defective.
Unit without function, only the
green “stand-by” LED is lit
Unit in stand-by mode
Press down the ON/OFF button (5)
until the display lights up.
BD, option ED,FD: Temperature
inside the chamber too high, Red
alarm pilot lamp of safety device
(7a) is lit..
Safety device class 3.1 has
responded.
Check the settings of the
temperature set-point and of the
safety device class 3.1 (chap. 7.2).
ED, FD: Unit without function.
Red alarm pilot lamp of safety
device (7a) is lit.
Safety device class 2 has
turned off the chamber.
Let cool down the chamber and
press down RESET button. Check
the settings of the temperature set-
point and of the safety device class
2 (chap. 7.1). If appropriate, select
suitable limit value.
Safety device class 2
defective.
Contact BINDER service.
Unit without any function.
No power supply. Check connection to power supply.
Unit fuse has responded.
Check unit fuse and replace it if
appropriate. If it responds again,
contact BINDER service.
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
Message „1999” in the controller
display
Sensor rupture between
sensor and controller.
Contact BINDER service.
The controller returns to Normal
Display from any level.
No button was hit for more
than approx. 30 sec.
Repeat entries, enter the values
rapidly.
Only qualified service personnel authorized by BINDER must perform repair.
Repaired units must comply with the BINDER quality standards.