Binder KB - Page 121

KB / KB-UL (E4 + E6) 10/2021 page 121/147
Fault description
Possible cause
Required measures
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 temper-
ature 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
safety controller. If appropriate, se-
lect 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.
Too low temperature. Chamber
doesn’t heat up.
Heating defective.
Contact BINDER service.
Notification
“Heating active”.
Semiconductor relay defective.
Too low temperature. With op-
tion safety controller class 3.3: un-
dertemperature safety controller
class 3.2 responds
Safety controller set-point value
exceeded.
Check setting of temperature set-
point and of the safety controller
class 3.2 set-point. If appropriate,
select suitable value.
Alarm message:
“Safety controller Under-
temperature”
Controller defective.
Confirm the alarm (chap. 14.4).
Contact BINDER service.
Safety controller defective.