Sime Dewy HE WM, User Instructions

Page: 4 / 12

FAULT FINDING
– Ignition lock-out (fig. 3)
If the burners do not ignite, the red led
will light-up ( ).
To attempt a boiler restart, rotate the
selector knob to position ( ) and relea-
se it immediately, placing it in the sum-
mer ( ) or winter ( )operation posi-
tion.
If the boiler lock-out re-occurs, contact
an authorised Service Centre.
– Insufficient water pressure (fig. 4)
If the red "0.5" bar led starts flashing,
the boiler will not function.
To restore functioning fill the system
until the green “1 bar” led lights up.
If all the leds are off, call the local autho-
rised technical staff.
2
system to avoid avoid frost damage.
GAS CONVERSION
Should it be necessar y t o conver t the
appliance to a different gas from the one
for which the boiler has been equipped,
approach the technical staff.
CLEANING AND MAINTENANCE
Preventive maintenance and checking of
the efficient operation of the equipment
and safety devices must be carried out
exclusively by the authorized technical
staff. The boiler is supplied with an elec-
tric cable. Should this require replace-
ment, contact exclusively with the autho-
rized technical staff.
SPIA ROSSA
Fig. 3
RED LED
Fig. 4
SPIA ROSSA INTERMITTENTE
IN CONDIZIONE DI SICUREZZA FLASHING RED LED
IN SAFETY CONDITION