Binder CB Series - General Troubleshooting Guide

CB / CB-UL, CBF / CBF-UL (E7) 01/2022 Page 173/199
Fault description
Possible cause
Required measures
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.
Program keeps the last
program setpoint constant
while in setting “ramp”.
Program line with setting
“ramp” 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 second.
Ramp temperature transitions
are only realized as steps.
Setting “step” has been
selected.
Select setting “ramp”.
CBF / CBF-UL: Humidity alarm
when operating without water
supply.
Humidity control is activated.
Deactivate humidity control (chap.
6.7).
Acknowledging the alarm does
not cancel the alarm state.
Cause of alarm persists.
Remove cause of alarm. If the alarm
state continues, contact BINDER
service.
Alarm message:
- - - - or <-<-< or >->->
Sensor rupture between
sensor and controller or Pt 100
sensor defective.
Contact BINDER service.
22.6.9 Open door
Indication
Possible cause
Required measures
Outer door open (longer than
the selected alarm delay time)
Alarm message “Door open”.
Outer door open or not properly
closed.
Acknowledge the alarm on the
controller. Close the door. The
triggered zero-voltage relay alarm
contact switches back.
22.7 Sending the chamber back to BINDER GmbH
If you return a BINDER product to us for repair or any other reason, we will only accept the product upon
presentation of an authorization number (RMA number) that has previously been issued to you. An
authorization number will be issued after receiving your complaint either in writing or by telephone prior to
your sending the BINDER product back to us. The authorization number will be issued following receipt of
the information below:
• BINDER product type and serial number
• Date of purchase
• Name and address of the dealer from which you bought the BINDER product
• Exact description of the defect or fault
• Complete address, contact person and availability of that person
• Exact location of the BINDER product in your facility
• A contamination clearance certificate (chap. 26) must be faxed in advance