33
GB
diagnostics
PROBLEM POSSIBLE CAUSE SOLUTION
The timer-ther-
mostat display is
switched off
1. Batteries not inserted*
2. Incorrect positioning of
the* batteries
3. Exhausted batteries*
1. Check whether there are any batter-
ies in the battery compartment
2. Verify that the batteries are inserted
properly
3. Replace the batteries
The symbol
fl ashes on the
timer-thermostat
display
The batteries are exhaust-
ed*
Replace the batteries
The system does
not turn on, or
does not turn on at
the pre-set times
4. Incorrect connections
5. Incorrect setting of the
time schedule
6. Anti-frost or holiday
function activated
7. Incorrect setting of the
current time
8. Communication prob-
lems with the receiver
(for wireless version)
4. Check the connections between the
timer-thermostat and boiler termi-
nals
5. Verify that the time
corresponds exactly to that set in
the time schedule
6. Deactivate the relevant function
7. Verify the correctness of the time
and date, and adjust them if neces-
sary
8. Verify that the signal reaches the
receiver and, if not, place the timer-
thermostat closer to the receiver
If the problem persists, recode the
transmitter/receiver (for wireless
version)
The visualised
room temperature
does not corre-
spond to the actual
temperature
9. Incorrect positioning of
the timer-thermostat
in the environment
10. Draught coming from
the conduit of the pipe
carrying the system's
wires to the timer-
thermostat
9. Follow the instructions of the
"POSITIONING" paragraph
10. Seal the pipe conduit to prevent hot
or cold draughts
NOTE:
In case of persistent anomalies, do not for any reason tamper with any part of the
product: contact the Technical Support Service instead.
(*) for versions 3318590 - 1138591 - 3318601 - 3318602 only
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