BINDER CB 60 - Manual (Page 129)

CB (E6) 09/2013 Page 129/144
21.6 Controller
Fault description / indication Possible cause Required measures
The controller returns to the
initial view from any level..
No button was pressed for
more than 120 sec.
Repeat entries, enter the values
rapidly.
No entries to controller
keypad possible.
Notification
“Key lock”.
Key lock activated.
Enter the key lock password (chap.
8).
21.7 Open door
A door contact switch serves to check the state of the outer door. When the door is open, temperature,
CO
2
, and O
2
(unit with O
2
control) control are turned off.
Fault description / indication Possible cause Required measures
Outer door open (more
than the selected
alarm delay time)
Alarm message
“Door open”
Outer door open or not properly
closed.
Confirm the alarm (chap. 11.4). Close
the door. The triggered zero-voltage
relay alarm contact switches back.