Fondital FORMENTERA KC 24, Инструкция по эксплуатации

Страница: 91 / 96

________________________________________________________________________________
91
AST 14 C 257/00
Boiler shutdown, message
flashing:
Safety circuit hardware
failure (gas valve relay)
Replace the main board.
Boiler shutdown, message
flashing:
Incompatibility
betw een boiler board
and interface board
Boiler board and interface
board don't belong to the
same type: atmospheric /
condensing
Check boiler board and
interface board type
Boiler shutdown, message
flashing:
Maximum deviation
between flow and return
lines
Flow or return probe faulty
Replace the faulty
probe.
Flow or return probe
disconnected from the
pipe
Reconnect the probe.
Air inside the system Bleed the system.
Faulty or clogged bypass Check the bypass.
The memory of the super-
technical parameter
board (from P01 to P05)
show s:
Insufficient water flow
rate inside the primary
exchanger body
Primary exchanger
clogging
Clean the primary
exchanger or replace it,
if necessary.
Air inside the system Bleed the system.
Faulty or clogged bypass Check the bypass.
Excessively low system
pressure
Restore the pressure.
Boiler shutdown, message
flashing:
Maximum flow threshold
exceeded
Air inside the boiler
Bleed the boiler by
opening the outlets on
the heat exchanger and
pump.
Pump blocked
Unblock or replace the
pump.