THERMOBILE IMAC 4000, User Manual, Page: 20 / 69

20 40.020.949 - rev. 05 - 2011 IMAC
English
The convector
heater is starting
up, but no flame is
forming. 21 The nozzle is blocked or
damaged. Replace the nozzle. Dealer
22 The electrodes are worn or the
settings are incorrect. Clean or replace the electrodes. Dealer
23 The magnet valve or valves will
not open. Check the electric connection.
You should hear a “click” when
the convector heater is switched
on or off. User
Clean or replace the magnet
valve(s). Dealer
24 The photocell is dirty or
defective. Check and clean the glass.
Clean the photocell.
Clean the forcer plate. User
Test the photocell and replace if
necessary. See fig. 9. Dealer
25 The air-inlet valve of the burner is
not correctly set. Check the air-inlet valve.
Measure the CO
2
content and
the amount of soot.
Dealer
26 The settings of the nozzle holder
and/or the forcer plate are
incorrect or dirty. Correct the settings of the
nozzle holder and the forcer
plate.
Clean the nozzle and the forcer
plate. Dealer
27 Exhaust opening or flue
connection is in poor condition. Connect the convector heater to
a flue that is in good condition.
Correct the connections. User
28 The ignition transformer is
defective. Test the insulation in relation to
the burner.
Replace the ignition transformer
if necessary. Dealer
The burner is
starting up poorly
(stutters). 29 There is insufficient fresh-air
supply. Open a door or window.
Use an outside-air suction
device for the burner. User
30 There are problems in the burner
room or heat exchanger. Clean, repair or replace the
burner room and heat
exchanger, if necessary. Dealer
The convector
heater burns
intermittently. 31 The burner thermostat has not
been set correctly. Set the burner thermostat
according to the manufacturer's
specifications. Dealer
The burner is
producing soot. 32 The air inlet has not been
correctly set. Set the air inlet. Dealer
The burner will
start, a flame has
been formed, but
the burner stops. 33 An error has occurred in the
burner relay. Reset the thermostat. See fig. 7
(G). User
Contact the dealer if the error is
repeated. Dealer
Fault Cause Solution Action