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CB / CB-UL, CBF / CBF-UL (E7) 07/2021 Page 171/197
22.6.7 Humidity (CBF / CBF-UL)
Fault description
Possible cause
Required measures
Humidity fluctuation:
Control accuracy of +/- 3 %
r.h. is not reached.
Door gasket defective.
Replace door gasket.
Door opened very frequently. Open doors less frequently.
Humidity fluctuation, together
with temperature fluctuation
> 1 °C with a set-point approx.
3 °C above ambient
temperature.
Place of installation too hot.
Select cooler place of installation or
contact BINDER service.
Alarm message “Humidity
system”.
Humidity module defective.
Acknowledge the alarm on the
controller. Contact BINDER service.
Alarm message “Freshwater
supply”.
Freshwater bag is empty or
contains air.
Acknowledge the alarm on the
controller. Fill the freshwater bag
correctly.
The silicon tube is not correctly
inserted into the pump.
Acknowledge the alarm on the
controller.
Place the silicon tube correctly (chap.
4.5.2).
Silicon tube kinked.
Too high humidity inside the
chamber (exceeding the set-
point)
Ambient humidity too high at
site of installation
Possible dehumidification depends on
ambient humidity. Select installation
site with lower humidity.
22.6.8 Controller
Fault description
Possible cause
Required measures
No chamber function
(dark display).
Display in standby mode.
Press on touchscreen.
Main power switch turned off.
Turn on the main power switch.
Menu functions not available.
Menu functions not available
with current authorization level.
Log in with the required higher
authorization. or contact BINDER
service to obtain an activation code
(chap. 13.6).
No access to controller
Password incorrect.
Contact BINDER service.
Chart recorder function:
measured-value memory
cleared; information lost.
New setting of storage rate or
scaling (minimum and/or
maximum) (chap. 16.2).
Change the storage rate or scaling
ONLY if the previously registered data
are no longer required.
Controller does not equilibrate
to setpoints entered in Fixed
value operation mode
Controller is not in Fixed value
operation mode.
Change to Fixed value operation
mode.
CO
2
control is deactivated.
Activate CO
2
control (chap. 6.7).
Chamber with O
2
control:
O
2
control is deactivated.
Activate O
2
control (chap. 6.7).
CBF / CBF-UL: Humidity
control is deactivated.
Activate humidity control (chap. 6.7).
Controller does not equilibrate
to program set-points.
Controller is not in program
operation mode, or program
delay time is running.
Start the program again. If
appropriate, wait for the program
delay time.
Program duration longer than
programmed.
Tolerances have been
programmed.
For rapid transition phases, do NOT
program tolerance limits in order to
permit maximum speed for heating,
gas control or humidification.
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