53
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
PARAMETER
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
button. If
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)
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)
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)
12 - USE
PARAMETER REFERENCE
DISPLAY READ OUT (ITEM “2”, FIGURE 37)
section 16):
Содержание Combi 160
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