EN • 20
ENGLISH
FRANCAIS
NEDERLANDS
ES
p
A
ño
L
IT
ALIAN
o
DE
u
TSCH
664Y0200.C
Corrective measures
Problems
Condensation in the chimney:
Smell of flue gas:
Insufficient heating:
The burner switches to safety mode after lighting:
Noisy pump:
Not enough hot water:
Pump not running:
Burner fails to light:
The manual reset high limit thermostat is tripped:
Reasons
Chimney is cold and/or not lined
1
Boiler T° is set too low
2
Chimney blocked
3
Combustion spillage in the chimney
4
Insufficient or no ventilation in the boiler room
5
Boiler clogged
6
Burner clogged
7
Room thermostat T° set too low
8
Pump jammed or faulty
9
Boiler switch is in the Summer position or is faulty
10
Insufficient water in the system
11
Radiator valves closed
12
System not vented properly
13
Low gas pressure
14
Gas pipe too small
15
Boiler thermostat/potentiometer faulty
16
The electrical system is not earthed (properly)
17
System fuses have blown
18
System and/or boiler not vented properly
19
Not enough time allowed between large drawoffs
20
Drawoff flow too fast
21
Room thermostat faulty or not turned ON
22
Faulty Summer/Winter switch
23
Main switch is faulty or not turned ON
24
Faulty NTC sensor
25
Thermal reset high limit thermostat (95°C) activated
26
Manual reset high limit thermostat (103°C) activated
27
Faulty printed circuit board
28
P.c.b. fuse blown
29
Faulty burner fan
30
No PWM signa
31
Ignition electrode faulty or incorrectly set
32
Ionisation electrode faulty or incorrectly set
33
Burner connectors not inserted properly
34
Blocked gas valve
35
Faulty p.c.b. relay
36
Boiler thermostat/potentiometer faulty
37
Upper part of boiler not vented properly
38
NTC sensor incorrectly inserted in its pocket
39
BuRNER CHARACTERISTICS
fault table
Summary of Contents for alfa Sprint M
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