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9
MAINTENANCE
9.1
Warnings
The procedures detailed in this chapter must
be carried out only by a Gas Safety Reg-
istered Engineer. Thus you are advised to
contact an Authorised Service Agent.
For Ireland (IE), the servicing work must be
carried out by a competent Person.
For efficient and continuous operation of the
boiler you are advised to have, at least once
a year, maintenance and cleaning done by an
Approved Service Engineer.
Isolate the appliance from the electricity
supply by turning off the fused spur isolation
switch adjacent to the appliance and turn off
the gas cock, before carrying out any proce-
dures, whatsoever, for cleaning, maintenance,
opening or dismantling boiler panels. The En-
gineer should complete the Service Interval
Record at the back of the manual.
9.2
Programming the maintenance
period
• Activate the clock function, as described in
"Time/Day/Date setting" to page 15.
• Enter "programming mode" by holding down
keys 14 - 17 - 18 together for 10 seconds
(Fig. 9.1) until the LCD display indicates the
letters P01, indicating entry in "parameter
01" (Fig. 9.2).
MAINTENANCE
11
12
13
Fig. 9.1
Fig. 9.2
• Scroll through the various parameters using
key 17 or 18 until the LCD display indicates
the letters P28 and the value of the param-
eter, indicating entry in "parameter 28" (Fig.
9.3).
Fig. 9.3
• Use key 11 or 12 to modify the value of pa-
rameter 28 from 00 months to 48 months.
The value 99, which disables the mainte-
nance request, is permitted.
The writing P28 - SEt alternates on the dis-
play (Fig. 9.4).
14 15
19
18
17
16
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