Troubleshooting - Master B 130 Manuel De L'utilisateur

4
GB

TROUBLESHOOTING

OBSERVED FAULT
The fan does not come on
and the fl ame does not light.
The fan comes on but the
fl ame does not light or does
not remain lit.
The fan comes on and the
fl ame lights, but produces
smoke.
The heater does not switch
off.
The fan does not switch off.
POSSIBLE CAUSE
1. No electric current.
2. Motor winding burnt out or broken.
1. Ignitor is not functioning.
2. Faulty fl ame cut out mechanism.
3. Non-functioning photoelectric cell.
4. Fuel is not reaching the burner or a suffi -
cient a mount is not arriving.
5. Electric valve is not functioning.
1. Insuffi cient air for combustion.
2. Fuel is dirty or contains water.
3. Air has fi ltered into the fuel circuit.
4. Inadequate quantity of fuel in burner.
5. Too much fuel in burner.
1. Defective electric valve seal.
1. Defective device.
SOLUTION
1a. Check the characteristics of the electrical system
(220-240V - 50 Hz).
1b. Check that the switch works and is in the correct
position (1 Fig. 2).
1c. Check that the fuse has not blown (4 Fig. 2).
2a. Replace the motor (8 Fig. 1).
1a. Check the connections of the ignition cables to
the electrodes and control box (6-7 Fig. 2).
1b. Check the position of the electrodes and the
distance between them, in accordance with the
diagram (Fig. 3-4).
1c. Check that the electrodes are clean (Fig. 3-4).
2a. Replace the mechanism (7 Fig. 2).
3a. Clean or replace the photoelectric cell.
4a. Check that the connection between the pump
and the motor is intact.
4b. Check that air has not fi ltered into the fuel circuit,
checking the tubes and the fi lter seal.
4c. Clean or, if necessary, replace the nozzle (1 Fig.
2).
5a. Check the electrical connection and check the TS
thermostat (Fig. 6).
5c. Clean or, if necessary, replace the electricvalve
(6 Fig. 1).
1a. Remove anything blocking or obstructing theaspi-
ration and/or airfl ow ducts.
1b. Clean the burner disc (3 Fig. 1).
2a. Replace the fuel with clean fuel.
2b. Replace the fuel fi lter (10 Fig. 1).
3a. Check the condition of the tubes and the sealof
the fuel fi lter.
4a. Check the pump pressure.
4b. Clean or replace the nozzle (4 Fig. 1).
5a. Check the pump pressure.
5b. Replace the nozzle (4 Fig. 1).
1a. Replace the electric valve part (6 Fig. 1).
2a. Replace the device (7 Fig. 2).