11
FAN COIL ROOM THERMOSTAT
CH130ARR2
4 - KEY LOCK
To enable the key lock function, useful in preventing the thermostat from being used by unauthorised persons, follow the
steps below:
■
Enter the thermostat configuration menu
■
In parameter
P01
enter a password other than
000
■
Exit the thermostat configuration menu
■
The key lock is active.
To disable the key lock function, perform the operations described above again and, after entering the current password,
set parameter
P01
to
000
.
4.1 - TEMPORARY KEY UNLOCK
When one of the disabled keys is pressed, in accordance with parameter
P20
, the display will show
"Loc"
and, below,
000
will flash, inviting you to enter the unlock password. Confirm by pressing key
3
or
4
.
The keys will be locked automatically one minute after the last time any of them were pressed.
5 - FAULTS
The presence of one or more faults is indicated on the display by the following error codes:
E01
External temperature probe failure
E02
Temperature probe failure on remote actuator
E03
Remote actuator CH176D does not respond to messages
E04
Internal temperature probe failure
6 - MAINTENANCE
It is recommended to use a soft cotton cloth without any detergent to clean the thermostat.
