M039150CF
40
Seasonal stop
To stop the burner in the seasonal stop, proceed as follows:
1
turn the burner main switch to 0 (Off position)
2
disconnect the power mains
3
close the fuel valve of the supply line
Burner disposal
In case of disposal, follow the instructions according to the laws in force in your country about the “Disposal of materials”.
TROUBLESHOOTING
FAULTS / CAUSES
BURN
ER
DOESN
’T
START
CONTINUES PRE-
PURGE PHASE
DOES
N’
T START AND
GO
ES TO
LO
CKOUT
DOES
N’
T START AND
REPEA
TS CYCLE
STARTS AND
REPEA
TS CYCLE
DO
ESN’T SWITCH TO
HIGH F
LAME
LOCKOU
T DU
RING
OP
ERA
T
ION
SH
UTS OFF
AND
REPEA
TS CYCLE
DURING OPERATION
NO
IS
Y
FU
EL
PU
M
P
MAIN SWITCH OPEN
z
LINE FUSES BROKEN
z
LACK OF GAS
z
GAS PRESSURE SWITCH DEFECTIVE
z
MAX. THERMOSTAT DEFECTIVE
z
FAN THERMAL CUTOUT
INTERVENTION
z
AUXILIARIES FUSE INTERVENTION
z
AIR PRESSURE SWITCH DEFECTIVE
z
z
z
CONTROL BOX DEFECTIVE
z
z
z
z
SERVOCONTROL DEFECTIVE
z
AIR PRESSURE SWITCH
UNCALIBRATED OR FAULTY
z
GAS PRESSURE SWITCH
UNCALIBRATED
z
z
z
z
IGNITION TRANSFORMER DEFECTIVE
z
ELECTRODES BAD POSITION
z
GAS BUTTERFLY UNCALIBRATED
z
GAS GOVERNOR DEFECTIVE
z
z
z
HI-LO FLAME THERMOSTAT
DEFECTIVE
z
SERVOCONTROL CAM UNCALIBRATED
z
UV DETECTOR BAD POSITION
z
DIRTY FUEL FILTERS
z
