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12 - USE
PARAMETER
PARAMETER REFERENCE
DISPLAY (ITEM
"1", FIGURE 37)
Boiler in stand-by mode or pause (no request for heating or
domestic hot water)
Anti-freeze function active
Boiler not in lock-out mode but in Attention mode.
System pressure too low, system must be fi lled. See section
11.1.3.
Domestic hot water service on
Heating service on
Boiler in lock-out mode. To reset it, press the
the lock-out occurs frequently, contact a professionally qualifi ed
technician
Blocking error. Contact a professionally qualifi ed technician.
Blocking errors automatically reset if the condition causing the
block disappears
Auto-purging procedure that last 3 minutes in progress (see
section 11.1.5).
Boiler in Anti-legionella functioning (see section 12.12)
.
DISPLAY READ OUT (ITEM "2", FIGURE 37)
Boiler temperature (°F)
Boiler temperature (°F)
01 = Domestic hot water service active for more
than 120 minutes. Turn domestic hot water to
OFF position to reinstate heating.
02 = Connection interrupted between boilers
on a cascade boilers
No display
Domestic hot water temperature (°F)
Heating temperature (°F)
button. If
Lock-out code (see section 12.18.1 for
decodifi cation).
Error code (see section 12.18.2 for
decodifi cation).
Boiler temperature (°F)
Storage tank temperature (°F)
53
section 16):
12.18 -
Diagnostics
During the normal operation
of the boiler, the display
"1" and "2" of fi gure 37,
continually shows the
operating status of the boiler
as shown below (see also
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