KB / KB-UL (E4 + E6) 10/2021 page 122/147
Too low temperature. Tolerance
range alarm: Having reached the
set-point, the temperature devi-
ates by more than +/- 2 °C from
the set-point for more than 10
minutes, or the temperature
doesn’t reach the tolerance range
within 3 hours from turning on the
chamber or closing the door.
Chamber door not properly
closed.
Confirm the alarm (chap. 14.4).
Completely close chamber door.
Door gasket defective.
Confirm the alarm (chap. 14.4).
Replace door gasket.
Alarm message
“Temp. range”
Controller defective.
Confirm the alarm (chap. 14.4).
Check the controller function. If ap-
propriate, contact BINDER service
Too low temperature. Set-point
temperature is not reached after
specified time.
Chamber door not properly
closed.
Completely close chamber door.
Calibrate and adjust controller.
Very long heating-up times. Chamber fully loaded.
Load the chamber less or consider
longer heating-up times.
Refrigerating performance
Temperature set-point tempera-
ture is not reached after specified
time.
Chamber door not properly
closed.
Completely close chamber door.
Calibrate and adjust controller.
Low or no refrigerating
performance.
Notification:
“Refrigeration active”
Ambient temperature above
25 °C / 77 °F (chap. 3.4).
Select cooler place of installation.
Compressor not turned on.
Contact BINDER service.
Solenoid valves defective.
No or insufficient refrigerant.
Too much external heat load.
Program duration longer than pro-
grammed.
Inappropriate tolerances have
been programmed.
For rapid transition phases, do
NOT program tolerance limits in
order to allow maximum heating
Message “Sensor rupture”
Sensor rupture between sensor
and controller or Pt100 sensor
Contact BINDER service.
possible.
Notification
Key lock activated.
Enter the key lock password (chap.
11).
To Next Page
Loading...
