wallas 22 Dt Mode D'emploi page 89

Troubleshooting, locking indication
The device locks itself after 2
The fuel line is empty.
The fuel line is full.
Check the possible overflow of
the burner!
If there are several starting
attempts without successful start,
the burner may overflow.
The burner is filled with crust.
The glow plug has too weak
There is a strong wind
pressure coming into the lead-
D20041
22 Dt / 30 Dt / 40 Dt
Locking indication
unsuccessful starts.
effect.
through.
Maintenance
FAULT INDICATION WITH
BLINKING LIGHTS
The fuel has not reached the
burner yet.
Air leakage in the fuel system.
The fuel pump does not pump
fuel.
The piston of the fuel pump is
blocked.
The piston makes weak ticking
sound/vibration when it's moving
normally.
Water in the fuel.
Wrong fuel.
Bad quality fuel.
The filter is blocked.
The fuel needle is blocked.
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RELEASING THE LOCK:
1. When the lights are blinking, switch off
the main power at the battery, breaker or
in-line switch.
2. Switch the main power back on.
3. Press the power switch (for at least 2 s).
The yellow power indicator will light for 1-3
seconds.
4. When the yellow power indicator light
has gone out, press the power switch again
(for at least 2 seconds). The heater is turned
off.
5. Restart the heater normally.
If the heater has locked itself, you must
determine the cause for the locking before
releasing it.
Follow the fuel flow. You can
follow the movement of the fuel
through the translucent fuel line.
Tighten the connectors of the fuel
system.
Knock the body of the pump to
get the piston to move again.
Clean the fuel and add the anti
ice agent according the
instructions of the supplier.
Change the fuel
Change the filter to a new one.
Bring the device in for service.
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490526C