Ariston microSYSTEM 21 RFFI Instrukcja instalacji - Strona 42
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B
IS THE
AIR PRESSURE SWITCH
ACTIVATED?
YES
DOES
THE SPARK
SEQUENCE
START?
YES
IS THE BURNER
ALIGHT?
YES
HAS THE
BOILER SAFETY
SHUTDOWN BEEN
ACTIVATED?
NO
IS
THERE STILL
A PROBLEM?
NO
NORMAL
OPERATION
18
CHECK
∆
NO
P ON PRESSURE
TEST POINT
1 - C
HECK
ELECTRODES
2 - C
HECK THE CABLES
NO
3 - C
HECK SPARK GENERATOR
4 - C
HECK IGNITION ELECTRODE
CABLES
1 - C
HECK POWER SUPPLY TO
THE GAS VALVE
NO
2 - C
HECK OPERATION OF THE
GAS VALVE
3 - R
EPLACE THE GAS VALVE
YES
P
RESS THE RESET
BUTTON
BOILER
NO
WORKING?
YES
NORMAL
OPERATION
FAULT LIST
1
N
N
OISEY OPERATION
OISEY OPERATION
YES
2
D
D
/
/
ECREASE
ECREASE
INCREASE OF HEATING CIRCUIT
INCREASE OF HEATING CIRCUIT
PRESSURE
PRESSURE
3
R
R
EPEATED SHUTDOWNS
EPEATED SHUTDOWNS
4
R
R
EPEATED OPERATION OF SAFETY THERMOSTAT
EPEATED OPERATION OF SAFETY THERMOSTAT
5
I
I
NSUFFICIENT RADIATOR TEMPERATURE
NSUFFICIENT RADIATOR TEMPERATURE
∆
P
0.5
mbar
∆
≤
P 0.5 mbar
/R
EPLACE IGNITION
1 - C
HECK IF THE FLAME
STRIKES THE DETECTION
ELECTRODE
2 - C
-
HECK THE SOFT
LIGHT
GAS PRESSURE
3 - C
/R
HECK
EPLACE DETECTION
ELECTRODE
- M
- M
AIN HEAT EXCHANGER FAULTY OR BLOCKED
AIN HEAT EXCHANGER FAULTY OR BLOCKED
WITH LIME
WITH LIME
- L
- L
OW HEATING SYSTEM WATER PRESSURE
OW HEATING SYSTEM WATER PRESSURE
- C
- C
HECK GAS PRESSURES
HECK GAS PRESSURES
- C
- C
HECK HEATING THERMOSTAT
HECK HEATING THERMOSTAT
- C
- C
HECK FAN
HECK FAN
- C
- C
HECK PUMP
HECK PUMP
- C
- C
HECK FOR LEAKS ON THE HEATING CIRCUIT
HECK FOR LEAKS ON THE HEATING CIRCUIT
- F
- F
AULTY FILLING LOOP
AULTY FILLING LOOP
- F
- F
AULTY EXPANSION VESSEL
AULTY EXPANSION VESSEL
- F
- F
AULTY DETECTION ELECTRODES
AULTY DETECTION ELECTRODES
- C
- C
HECK GAS PRESSURES
HECK GAS PRESSURES
- C
- C
HECK FLAME DETECTION ELECTRICAL CIRCUIT
HECK FLAME DETECTION ELECTRICAL CIRCUIT
- F
- F
AULTY HEATING THERMOSTAT
AULTY HEATING THERMOSTAT
- F
- F
AULTY OVERHEAT THERMOSTAT
AULTY OVERHEAT THERMOSTAT
- P
- P
RESENCE OF AIR IN THE HEATING CIRCUIT
RESENCE OF AIR IN THE HEATING CIRCUIT
- C
- C
HECK BURNER PRESSURES
HECK BURNER PRESSURES
- C
- C
HECK EXCHANGER FLUEWAY
HECK EXCHANGER FLUEWAY
- C
- C
HECK HEATING THERMOSTAT
HECK HEATING THERMOSTAT
- C
- C
HECK BY
HECK BY
- C
- C
HECK GAS PRESSURE
HECK GAS PRESSURE
1 - C
HECK AIR PRESSURE
SWITCH CABLE
2 - C
/R
HECK
EPLACE AIR
PRESSURE SWITCH
3 - C
/R
P.C.B.
HECK
EPLACE
(CBM2)
1 - C
HECK EXHAUST DISCHARGE
2 - C
HECK VENTURI AND TUBES
3 - C
HECK THE FAN EFFICIENCY
4 - R
EPLACE FAN
5 - C
/R
P.C.B. (CBM2)
HECK
EPLACE
4 - C
/R
P.C.B. (CBM2)
HECK
EPLACE
4 - C
/R
HECK
EPLACE
P.C.B. (CBM2)
POSSIBLE CAUSES
-
-
SCALE DEPOSITS
SCALE DEPOSITS
-
-
PASS
PASS
B063