Unigas HTP90A, Инструкция по установке, использованию и обслуживанию, Страница: 43 / 60

C
.I.B. UNI
GAS
-
M039219C
A
43
TROUBLESHOOTING
CAUSE
TROUBLE
T
H
E BU
R
N
ER
D
O
E
S
N
’T
ST
AR
T
C
O
NTINUE WIT
H PRE-
PURGE D
O
ESN’
T
START AND
L
O
CK-
OUT D
O
ESN’
T
START AND
R
E
PEA
TS THE
CYCLE
STARTS
AND RE
PEA
TS
THE
CY
C
L
E
STARTS AND
L
O
CK-OUT
T
H
E FL
AM
E
M
O
N
ITOR
D
E
VICE D
O
ESN’T
GI
VECONS
E
NT
T
O
ST
A
R
T
D
O
ESE
N’T SWITCH TO HIGH
FL
AM
E
D
O
ESE
N’T
RETURN IN LOW
FL
AM
E
LOCK-
O
UT DURING
O
P
ER
ATI
ON
T
T
URNS OF AND
RE
PEA
T
S
C
Y
CLE DURING 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