DOMUSA TEKNIK SIRENA CAL HFD, Инструкция по установке и эксплуатации

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13
17 FAILURES
This section provides an index of the most common failures in both the burner and boiler.
17.1 Burner error code
We have already mentioned that the burner is equipped with a cut-out system, indicated by the reset
button light. It may cut out accidentally, and in this case the steady red light on this button will come
on. You may unblock it by pressing the button for approx. 1 second. When the burner is blocked and
the steady red light is on, visual failure diagnosis may be activated, in accordance with the error code
table. To enter visual failure diagnosis mode, hold down the reset button for at least three seconds.
Error code table
Red flashing LED code “AL” on
term. 10
Possible cause
Flashes 2 times On No flame established when ignition safety time
ends.
- Fuel valves defective or dirty
- Flame detector defective or dirty
- Burner maladjustment, no fuel
- Ignition unit defective
Flashes 4 times On External light during burner ignition
Flashes 7 times On Excessive flame loss during functioning (limited
number of repetitions)
- Fuel valves defective or dirty
- Flame detector defective or dirty
- Burner maladjustment
Flashes 8 times On Supervision of fuel pre-heater time
Flashes 10 times On Cabling fault or internal failure, output contacts,
other failures
During the failure diagnosis time, the control outputs are disabled and the burner remains off.
To exit failure diagnosis and activate the burner again, reset the burner control. Hold down the
reset button for approx. 1 second (<3 s).
17.2 Boiler failures
FAILURE CAUSE REMEDY
- The pump does not rotate Unlock the pump
RADIATOR
DOES NOT
HEAT
- Air in hydraulic circuit Drain the installation and
boiler (The air vent plug is
always to be loose)
- Poorly-adjusted burner Adjust properly
- There is no sealing on the uptake Eliminate the leakage
- Unstable flame Check the burner
EXCESSIVE
NOISE
- Uptake with no thermal insulation Insulate properly