User Manual

20 • Alarm Indications Beacon 100 Gas Monitor Operator’s Manual

Responding to an alarm 3 condition

This section suggests response to an alarm 3 condition.

1. Follow your established procedure for a high level combustible or toxic gas condition

or an increasing oxygen content condition.

2. After the gas reading falls below the alarm 3 setpoint, press the reset switch to reset

the alarm 3 circuit. Resetting the alarm 3 circuit turns off the ALARM 3 light, and

de-energizes the alarm 3 relay.

NOTE: The alarm 3 condition cannot be silenced. The reset switch must be pressed after

the gas reading falls below the alarm 3 level in order to de-energize the alarm 3

relay.

Fail Condition

This section describes the audible and visual indications for a fail condition and suggests

response to a fail condition.

Fail condition indications

The Beacon 100 senses a fail condition for any of the following:

• the detector wiring is disconnected or incorrectly connected

• the display reading is below the fail setpoint

• the monitor or detector is malfunctioning

When the Beacon 100 senses a fail condition, it alerts you as follows:

• the FAIL light turns on

• the gas reading ﬂashes

• the buzzer sounds a steady tone

• the fail relay de-energizes

Responding to a fail condition

This section suggests response to a fail condition.

1. Verify that the detector wiring is correctly and securely connected.

2. See the troubleshooting guide in the applicable detector head operator’s manual.