0020094585_01 - 08/10 - Glow-worm
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ANY ASSISTANCE ?
ANY ASSISTANCE?
7 Trouble-shooting
This chapter contains all the messages
that the thermostat may display, and the
corrective actions that you can carry out to
put the appliance back into service.
• If after carrying out this basic advice
and your appliance still does not work,
leave it turned off and contact your
qualified engineer.
Warning
Procedure
Check that power is
supplied to the heating
system.
See the manual for the
appliance.
Replace the batteries,
following the instructions
(see "battery
replacement").
See the appliance manual
to reset.
See the appliance manual
to increase the pressure in
the heating system.
Warning
Procedure
Call the telephone number
displayed on the screen.
No display
• Check that:
- The room thermostat
batteries are properly
installed in their
compartment
- The battery polarity is not
reversed
- The batteries are not
exhausted. If so, replace
with new batteries.