BM2 BIEMMEDUE SG 40M C Manuel D'instructions page 20

TROUBLESHOOTING
FAULTS
• The heater fails to start and fan does not start
• The heater fails to start flame andstops while
fan goes on
• The heater does not stop when "STOP"
procedure is followed
• Fan noise or vibrations
If the heater is still not working properly, please contact your nearest dealer or authorized Service Centre.
EN
CAUSES
• No power supply
• Mains switch in wrong position
• Insufficient gas supply
• Safety thermostat tripped due to overheating
of combustion chamber
• The flame does not light up
• Faulty safety thermostat
• Thermocouple is insufficiently heated and gas
valve closes
• Faulty thermocouple
• Gas solenoid valve does not close because of
debris
• Foreign bodies on fan blades
• Insufficienct air circulation
20
REMEDIES
• Check power specifications
• Check power connections
• Check fuse
• Select correct position
• Check if gas bottle is empty
• Check gas supply line and remove any debris
inside
• Check pressure regulator and replace if necessary
• Check that the suction and the flow grills are
unobstructed
• Check that the room is well ventilated
• Check that hot air can escape freely
• Check that gas flow and/or pressure are not
excessive
• Check the piezoigniter and the electrical
connection and replace if necessary.
• Check the ignifion electrode position
• Check thermostat and replace it if necessary
• Repeat starting operation keeping thermal gas
valve button pressed for at least 13 seconds
• Check thermocouple positioning
• Remove thermocouple and clean it
• Check room thermocouple and replace it if
necessary
• Close main gas stopcock on gas bottle, let the
heater burn remaining gas in gas tube, and contact
Customer Service
• Remove foreign bodies
• Eliminate all possible obstacles to proper air flow