
13
CEX-O & CEX-U Installation, Maintenance and User Instructions - August 2011
“Er”: Diagnostics
The last ten diagnostic messages can be
displayed.
Pressing program key 1 displays the current
error code. A key explaining the error codes
can be found inside the front cover of the
appliance.
The arrow up and arrow down keys can be
used to view the last ten error codes displayed
in chronological order from “0” to “9” alongside
the corresponding error code with “0” being
the most recent.
“LL”: Lock level
The operating mode of the appliance can be
restricted.
Setting options:
“0” no restriction (factory setting)
“1” disables “Reset to factory setting”.
Parameters can be viewed but not
modified in service menu
“2” as “1”, additionally service menu cannot
be displayed
“3” as “2”, additionally program 1 and 2 set
temperature values cannot be changed
“4” as “3”, additionally set temperature value
on appliance cannot be changed
Note:
when lock level 1, 2, 3 or 4 is selected
the system parameters cannot be modified in
the service menu.
In order to modify system parameters it is
necessary to remove the jumper from the main
PCB as described under “Deactivation of the
Lock level”.
CEX pages qxd:Varipoint qxd 30/8/11 14:27 Page 12