THERMOBILE AT 306 Manuel De L'utilisateur page 28

English
Fault
The flame goes out
directly after ignition.
The fuel pump does
not run and the con-
trol light is off, while
the heater is pre-
heated and the
switch is switched to
"1" or "2".
The flame is extin-
guished while the
fuel pump is still run-
ning.
The heater makes a
humming sound.
There is soot forma-
tion in the combus-
tion chamber and in
the flue.
There is unburnt fuel
on the burner dish.
Record the maintenance details in table A in
the appendix of this manual.
28
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Cause
13 The maximum thermo-
stat is not installed prop-
erly or defective.
14 The overflow protection
is filled with waste oil.
15 There is too much diesel
oil at start up.
16 There is too much diesel
oil at start up.
40.020.933 - rev. 04 - 2011
Solution
Reset the thermostat, see fig.
3(Q).
Replace the thermostat, see
fig. 3(Q).
For AT 306:
Clean the overflow protection
dish, the burner dish and the
floor of the combustion
chamber.
For AT 307:
Clean the overflow protection
dish, the burner dish and the
floor of the vaporiser.
See faults: 3, 6, and 14.
See faults: 2, 5, 7, 9, 10 and
12.
Reduce the amount of diesel
oil.
See faults: 10, 11, and 12.
See faults: 8, 9, 10, 11 and
12.
Reduce the amount of diesel
oil.
See faults: 8, 9, 10, 11 and
12.
Action
User
Dealer
User
User
User
AT 300 series