Binder BF 720 - 14.3 Simple Troubleshooting

BD / BF / ED / FD / FED (E3.1) 02/2022 page 69/116
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14.3 Simple troubleshooting
Defects and shortcomings can compromise the operational safety of the chamber and can lead to risks and
damage to equipment and persons. If there are is a technical fault or shortcoming, take the chamber out of
operation and inform BINDER Service. If you are not sure whether there is a technical fault, proceed ac-
cording to the following list. If you cannot clearly identify an error or there is a technical fault, please contact
BINDER Service.
Only qualified service personnel authorized by BINDER must perform repair.
Repaired chambers must comply with the BINDER quality standards.
Fault description
Possible cause
Required measures
General
Chamber without function.
No power supply.
Check connection to power supply.
ED, FD, FED size 720: Check
whether the chamber is turned on
at the main power switch.
Wrong voltage.
Check power supply for correct
voltage (chap. 4.2).
Chamber fuse has responded.
Check chamber fuse and replace it
if appropriate (chap. 16.3). If it re-
sponds again, contact BINDER ser-
vice.
Defective controller. Contact BINDER service.
Overtemperature protective
device class 1 has turned off
the chamber.
Disconnect the chamber from the
power supply for at least 10 sec-
onds and let it cool down. If the de-
vice responds again, contact
BINDER service
Chamber without function, the
standby icon is displayed.
Chamber in standby mode.
Press down the standby button until
the display lights up.
Temperature
Set-point temperature is not
reached after specified time.
Chamber door not properly
closed.
Completely close chamber door.
Defective door gasket.
Replace door gasket,
Controller not adjusted.
Calibrate and adjust controller.
Wrong voltage.
Check the power supply for correct
voltage (chap. 4.2).
Chamber heating permanently,
set-point not held.
Defective controller.
Contact BINDER service.
Defective Pt 100 sensor.
Defective semiconductor relay.
Controller not adjusted.
Calibrate and adjust controller.