56
ENGLISH
TROUBLESHOOTING
Problem
Diagnostic signal
Probable cause
Remedy
The burner does not ignite when heat
is requested
OFF
No electrical power
Check voltage at
L, N and in power
plug
Check the condi-
tion of the fuses
Check that the
safety thermostat
has not tripped
GREEN, RED alternate flashing
The flame detector
reads extraneous
light
Eliminate cause of
light or false flame
signal
OFF
The burner con-
troller connectors
are not properly
plugged in
Make sure that all
connectors are
properly connected
GREEN flashing
Short circuit
connector P not
connected
Replace as neces-
sary
The burner goes into lockout before
or during pre-purging
RED flashing
The flame detector
is reading extrane-
ous light
Eliminate cause of
light or false flame
signal
The burner performs pre-purging
and ignition correctly but locks out
after about 5 seconds
RED
Flame detector
dirty
Clean the flame
detector
The flame detector
is faulty
Change as neces-
sary
The flame detach-
es or fails
Check fuel oil pres-
sure and flow rate
Check the air flow
Change the nozzle
Check solenoid
valve coil
The burner starts up only after late
ignition.
OFF
Ignition electrodes
incorrectly posi-
tioned
Adjust ignition elec-
trodes as instruct-
ed in this manual.
Air flow rate too
high
Adjust air flow rate
as instructed in this
manual.
Nozzle dirty or
worn
Replace
RECYCLING AND DISPOSAL
Packaging materials from
T
ACQUAHOME 32 B -
32 BS
boilers must be disposed of through appropriate chan-
nels in order to permit recovery and recycling. At the end of its
useful life, dispose of the boiler in compliance with applicable
legislation.
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