Binder KT 53 - Page 123

KT (E6.1) 07/2015 Page 123/138
Fault description
Possible cause
Required measures
Heating (continued)
Too low temperature. Chamber
doesn’t heat up.
Heating defective.
Contact BINDER service.
Notification
“Heating active”.
Semiconductor relay defective.
Too low temperature. With
option safety controller class 3.3:
undertemperature 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
Undertemperature”
Controller defective.
Confirm the alarm (chap. 14.4).
Contact BINDER service.
Safety controller defective.
Too low temperature. Tolerance
range alarm: Having reached the
set-point, the temperature
deviates 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
unit or closing the door.
Unit door not properly closed.
Confirm the alarm (chap. 14.4).
Completely close unit 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
appropriate, contact BINDER
service
Too low 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.
Calibrate and adjust controller.
Very long heating-up times. Chamber fully loaded.
Load the unit less or consider
longer heating-up times.
Refrigerating performance
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.
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.
Refrigerating system not turned
on.
Contact BINDER service.
Too much external heat load.
Reduce heat load.
Controller
Program duration longer than
programmed.
Inappropriate tolerances have
been programmed.
For rapid transition phases, do
NOT program tolerance limits in
order to allow maximum heating
speed.
Program stops one section too
early.
Program line is incomplete.
When programming with setting
“ramp”., define the end value of the
desired cycle by adding an
additional section with a section
time of at least one minute.
Message “Sensor rupture”
Sensor rupture between sensor
and controller or Pt100 sensor
defective
Contact BINDER service.