C.I
.B. UNIGAS
-
M039175CD
37
TROUBLESHOOTING
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”.
CAUSE
TROUBLE
THE BURNER
DOESN’TSTA
RT
CONT
INUE WITH PRE-
P
URGE
DOESN’T START AND
L
O
CK-
OUT
DOESN’T START AND
RE
PEA
T
S
THE
CYCLE
S
T
ARTS
AND REP
EATS
THE
CY
CLE
S
T
ARTS AND
LOCK-OUT
THE FLAME
MONI
TO
R
DE
VIC
E
DOESN’T
G
IV
E
CONS
ENT TO
START
DOESE
N’T
SWITC
H T
O
HIGH
FLAME
DOESE
N’T
RETURN
IN LOW
FLAME
L
O
CK-OUT DURING
O
PERA
T
IO
N
TTURNS OF AND
REP
EATS
CY
CLE DU
RING OP
ERATION
MAIN SWITCH OPEN
z
LACK OF GAS
z
z
MAXIMUM GAS PRESSURE SWITCH DEFECTIVE
z
z
THERMOSTATS/PRESSURE SWITCHES DEFECTIVES
z
z
z
OVERLOAD TRIPPED INTERVENTION
z
AUXILIARIES FUSE INTERRUPTED
z
DEFECTIVE CONTROL BOX
z
z
z
z
z
DEFECTIVE ACTUATOR
z
z
z
AIR PRESSURE SWITCH FAULT OR BAD SETTING
z
z
z
z
MINIMUM GAS PRESSURE SWITCH DEFECTIVE OR GAS
FILTER DIRTY
z
z
z
z
z
IGNITION TRANSFORMER FAULT
z
IGNITION ELECTRODES BAD POSITION
z
BUTTERFLY VALVE BAD SETTING
z
z
DEFECTIVE GAS GOVERNOR
z
z
z
z
GAS VALVE DEFECTIVE
z
BAD CONNECTION OR DEFECTIVE HIGH/LOW FLAME
THERMOSTAT OR PRESSURE SWITCH
z
z
ACTUATOR
CAM WRONG SETTING
z
z
z
UV PROBE DIRTY OR DEFECTIVE
z
z
z
