
1 9
English
L
A R G O
-
I N S T R U C T I O N
F O R
I N S TA L L AT I O N
11. Troubleshooting
A number of faults which could occur, their possible causes and solutions are shown in the table below:
Table 3: Troubleshooting
Problem
Possible cause
Solution
A. No transmission
(motor
doesn’t work)
1.
The (new) communication
code between the receiver
and the remote control has
not been confi rmed.
2. Dead batteries.
3. Receiver
is
damaged.
4. Remote
control is damaged
5.
Motor
wiring broken at the
valve
6.
Bent pins on the 8-pin con-
nector.
7.
If the receiver is surrounded
by metal, the transmission
range may be reduced.
1.
Press
and hold the reset button on the
receiver until you hear 2 bleeps.
After the second, longer bleep, release
the reset button and, within 20 seconds
press
/
▼
on the remote control until
you hear an extra long bleep which con-
fi rm the new code; see
Photo 17
.
2. Replace the batteries.
!N.B.
Avoid short circuits between the batte-
ries and metal parts of the appliance.
3. Replace the receiver and confi rm/change
the code (solution 1)
4.
Replace the remote control and confi rm/
change the code (solution 1)
5. Replace the motor wiring at the valve.
6. Straighten the pins on the 8-pin connector.
7. Change the position of the aerial.
B. No ignition (spark)
1. Button
A is set to MAN.
2 Ignition wire lying across
and/or beside metal compo-
nents.
3. Ignition
pen
corroded
1.
Switch button A on the gas control block
to ON, see
Photo 16
2 Do not let the ignition wire touch any-
thing metal: This will weaken the spark;
see 2 Ignition wire lying across and/or
along beside metal components.
Replace the ignition wire if necessary.
3. Replace the ignition pen
C. No bleep
1. Receiver
is
damaged.
1. Replace the receiver and confi rm/change
the code (solution 1 at A)
D. One continuous 5 second bleep
(There
may be 7 short bleeps
before the 5 second bleep)
1. Loose
wiring
2. Receiver
is
damaged.
3.
Bent
pins on the 8-pin con-
nector.
4. Magnetic
valve is damaged.
1. Connect
the wiring correctly.
2.
Replace the receiver and confi rm/change
the code (solution 1 at A)
3.
Straighten the pins on the 8-pin connector.
4. Replace the gas control block.
E. No
pilot
1. Air
in
the pilot pipes.
2.
Thermocouple wires round
the wrong way,
3. No
spark at the pilot burner.
4. Injector is blocked up
1.
Purge
the pipes or restart the ignition
process several times.
2.
Check the polarity of the thermocouple
wiring.
Connect the thermocouple correctly.
3.
Check that the ignition wire is not tou-
ching anything metal.
Move it if necessary; see
Photo 16
Replace the ignition wire if necessary
If necessary, replace the ignition pen
4.1 Clean the injector
4.2 If necessary, replace the injector
F. Electronics keep sparking when
the pilot burner is burning
1. Receiver
is
damaged.
1. Replace the receiver and confi rm/change
the code (solution 1 at A)
U K