20
40.020.927 - rev. 07 - 2016
IMAC 2000 S
ENGLISH
20
40.20.927 - rev. 06 - 2011
IMAC 2000 S
English
The convector
heater is starting
up, but no flame is
forming.
19
The fuel tank is empty.
Open up the drain tap to drain
the condensate and fill the tank.
User
20
The fuel pump has too much
vacuum.
Clean or replace the main filter. User
Check the suction line for
blockage.
Check the vacuum using a
vacuum gauge.
Dealer
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 electrical
connections. 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. Out 2.
Set the burner thermostat
according to the manufacturer's
specifications.
Dealer
Fault
Cause
Solution
Action
