22
FAULTS - POSSIBLE CAUSES - SOLU-
TIONS
The control box is equipped with a lockout indi-
cator (A) that turns during the start-up pro-
gramme, and is visible from the small lockout
window.
When the burner does not start or stops, due to
a failure, the symbol that appears on the indica-
tor indicates the type of interruption.
The positions of the lockout indicator are shown
in (B).
Fuse replacement
The fuse 2)(C) is in the rear part of the control
box. A spare fuse 1) is also available: it can be
extracted after breaking the panel tab A) that
houses it. In the event that fuse 2) has been
tripped, replace it as shown in (C).
Find a list of faults, causes and possible solu-
tions for a set of failures that may occur and re-
sult in irregular burner operation or no
functioning at all.
If a burner malfunction is detected, first of all:
–
check that the electrical wiring is adequately
connected;
–
check whether fuel is delivered;
–
check that every adjustment parameter is
adequately set.
In the event the burner stops, in order
to prevent any damage to the instal-
lation, do not unblock the burner
more than twice in a row. If the burner
locks out for a third time, contact the
customer service.
In the event there are further lockouts
or faults with the burner, the mainte-
nance interventions must only be
carried out by qualified, authorised
personnel, in accordance with the
contents of this manual and in com-
pliance with the standards and regu-
lations of current laws.
(A)
S8889
Lockout indicator
a-b
Start-up sequence
b-b’
Idle stages (without contact con-
firmation)
b(b’)-a
Post-purging programme
P
1
2
(B)
S8888
(C)
S8884
T6,3H
250V
1
2
A
WARNING
DANGER
Summary of Contents for RLS 250/M MZ
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