Binder KB 115 (E4) - 22. TROUBLESHOOTING GUIDE

KB (E4 + E6) 02/2017 page 125/148
22. Troubleshooting
Fault description
Possible cause
Required measures
General
Chamber without function.
No power supply.
Check connection to power supply.
Wrong voltage.
Check power supply for voltage of
100-120V or 200-240V.
Chamber fuse has responded.
Check chamber 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 chamber failure.
Over temperature protective
device (class 1) responds.
Heating
Overtemperature. Chamber
heating permanently, exceeding
the set-point
Controller defective.
Confirm the alarm (chap. 14.4).
Contact BINDER service.
Notification
“Heating active”.
Alarm message
“Temp. range”
Semiconductor relay defective.
Controller not adjusted.
Confirm the alarm (chap. 14.4).
Calibrate and adjust controller.
Excess temperature.
Tolerance range alarm: Having
reached the set-point, the tem-
perature deviates by more than
+/- 2 °C from the set-point for
more than 10 minutes.
Site of installation too warm.
Ambient temperature > 25 °C
(chap. 3.4).
Confirm the alarm (chap. 14.4).
Select cooler installation site.
Alarm message
“Temp. range”
Excess temperature. Over-
temperature safety controller
class 3.1 responds.
Safety controller has turned off
the heating. Limit temperature
reached. Safety controller set
too low. Safety controller set-
point value exceeded.
Confirm the alarm (chap. 14.4).
Check setting of temperature set-
point and of the safety controller
set-point. If appropriate, select
suitable value.
Alarm message:
“Safety controller over-
temperature”
Too much external heat load.
Confirm the alarm (chap. 14.4).
Reduce heat load.
Controller defective.
Confirm the alarm (chap. 14.4).
Contact BINDER service.
Safety controller defective.
Semiconductor relay defective.
Excess temperature. With option
safety controller class 3.3: over-
temperature safety controller
class 3.1 responds.
Safety controller set-point value
exceeded.
Confirm the alarm (chap. 14.4).
Check temperature setpoint and
setting of the overtemperature safe-
ty controller. If appropriate, select
suitable limit value.
Alarm message:
“Safety controller over-
temperature”
Too much external heat load.
Confirm the alarm (chap. 14.4).
Reduce heat load.
Controller defective.
Confirm the alarm (chap. 14.4).
Contact BINDER service.
Safety controller defective.
Semiconductor relay defective.