Siemens 3001138 Manual de inicio rápido - Página 2

Navegue en línea o descargue pdf Manual de inicio rápido para Controlador Siemens 3001138. Siemens 3001138 2 páginas. Control box

The sequence of pulses issued by the control box identifies the possible types of malfunction, which are

listed in the table below.

SIGNAL

2 pulses

3 pulses

4 pulses

7 pulses

10 pulses

2894

The flame does not stabilise at the end of the safety time:

– faulty ionisation probe;

– faulty or soiled gas valves;

– neutral/phase exchange;

– faulty ignition transformer

– poor burner regulation (insufficient gas).

Min. air pressure switch does not close:

– air pressure switch faulty;

– air pressure switch incorrectly regulated;

– max. air pressure switch triggered (if installed).

Min. air pressure switch does not open or light in the chamber before firing:

– air pressure switch faulty;

– air pressure switch incorrectly regulated.

Loss of flame during operations:

– poor burner regulation (insufficient gas);

– faulty or soiled gas valves;

– short circuit between ionisation probe and earth.

– Wiring error or internal fault.

PROBABLE CAUSE