11. PREVENTIVE MAINTENANCE SCHEDULE
WARNING: BEFORE PERFORMING ANY MAINTENANCE OR REPAIRS, DISCONNECT
THE POWER SUPPLY CABL FROM THE MAINS AND MAKE SURE THAT THE HEATER IS
COMPONENT
Fuel tank
Filters
12. DISPLAY ERRORS (WHERE PRESENT)
(SEE FIG. 10)
CAUSE
F0 1. The "ON/OFF" switch is turned
"ON" (|) when the heater is
plugged in
F1 1. No fuel
2. Fuel is contaminated
3. Photocell is dirty or damaged
4. Fuel filter is dirty
5. Ignition error
F2 1. Interrupted cable
2. Sensor is damaged
F3 1. Internal heater overheating
F4 1. Incorrect voltage
LO 1. External temperature below -5°C
CH 1. Continuous operation
13. TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
The heater
1. Generator blocked
does not
2. Starter switch in "OFF"
start
position (0)
3. No power supply
4. Temperature sensor override
5. Control card blocked
6. Incorrect setting of the room
thermostat (where present)
The motor
1. No fuel
starts but
2. Incorrect pump pressure
the flame is
not triggered
3. Presence of foreign
substances in the tank
MAINTENANCE FREQUENCY MAINTENANCE PROCEDURE
Empty and rinse the tank with clean
fuel every 150-200 working hours
Clean or replace every 500 working
hours or when necessary
COLD.
Empty and rinse the tank with
clean fuel (SEE PAR. 9)
Contact the technical service
center
SOLUTION
1. After disconnecting the heater, see that the
switch is in the "OFF" (0) position, plug the
heater in and turn the switch "ON" (|)
1. Turn the switch "OFF" (0), refill the fuel tank
2. Turn the switch "OFF" (0) empty and refill the
fuel tank. Clean the filter using clean fuel, do not
damage the filter (SEE PAR. 8)
3. Contact the technical service center
4. SEE PAR. 8
5. Contact the technical service center
1. Contact the technical service center
2. Contact the technical service center
1. Turn the heater off, wait until it is cooled down
1. Check voltage of your electric supply system
1. Normal condition
1. Normal condition
POSSIBLE SOLUTION
1. Reset the heater (SEE PAR. 6.2)
2. Take the "ON/OFF" switch to the "ON" (|)
position
3. Insert the power supply cable into the
mains socket correctly
4. Wait at least ten minutes then try to run
ignition again
5a. Reset the heater (SEE PAR. 6.2)
5b. Identify the display error (where present)
6. Act on the room thermostat, taking it to a
higher temperature than that of the work
environment (SEE FIG. 9-10)
1. Top-up fuel and reset the heater
2. Regulate the pressure of the compressor
(SEE PAR. 7)
3. Empty and fill the tank with clean fuel (SEE
PAR. 9)
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