Duomo BX316 Manual - Página 9

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Troubleshooting

The Problem

No lights are illuminated on the fascia of the detector

The sensor fault light is illuminated

Sensor fault continues to alarm

The detector is subject to repeated alarms

The detector is in a main alarm condition and the

main gas valve is not closing

There is no supply to the solenoid valve

Sensor is connected, but no information is shown on

the display.

If you are experiencing difficulties, having made the checks listed above call Duomo on 01905 797989 for

technical assistance.

In case of alarm

Extinguish any naked flames.

Do not switch lights or electrical devices on or off.

Open all windows and doors to increase ventilation.

If the 'ALARM' LED is off the levels of gas have dropped. A responsible, qualified person is now safe to find the cause of

the alarm.

If the alarm sound remains constant, and the cause is not evident or possible to eliminate turn off the emergency

isolation valves to the area and contact your gas provider emergency line.They will advice accordingly.

w: www.duomo.co.uk

e: [email protected]

The Solution

Check that the electrical supply is reaching the

device and that the plug in terminal rail is pushed

into place.

Check that the wiring is correct.

Check that the sensor wiring is correctly terminated

at both the sensor and detector. Check that 12V DC

is present at the sensor. The green light on the sensor

should be illuminated. Pressing the TEST button it is

possible to check the efficiency of the device and if

the sensors have been connected correctly.

Check the sensor wiring. If the red Overload LED is lit

a short circuit or overload has occurred on the sensor

or the connecting cable.

Ensure that there is not an occassional gas leak. This

may be due to a valve or joint which leaks under

pressure.

Check that the connections are correct and that

power is supplied to the valve i.e. the valve is not

stuck in the open position. The function of the alarm

relays both Pre-Alarm and Main Alarm can be

checked by pressing the TEST button on the detector

fascia. Check that the main alarm action is configured

for a latching alarm (see setting on internal menu).

The Main Alarm relay is a volt-free contact, therefore

you must connect the live supply to the common of

the main alarm relay contacts. Check the wiring

diagram in this manual.

Check that the sensor is enabled in the internal

menu.

t: 01905 797989

f: 01905 774296