RKI Instruments 12 VDC Beacon 200 - Manual (Page 50)

46 • 12 VDC Beacon 200 Operator’s Manual
Frequent or
Suspect
Alarms • The 12 VDC Beacon
200 alerts you to
frequent or suspect
alarms.
• The detector head’s
fresh air readings
remain on zero (20.9
for oxygen).
• The 12 VDC Beacon 200
is experiencing false
readings due to RFI or
EMI.
• The detector head wiring
is disconnected,
misconnected, or
intermittent.
1. Verify that the detector head wiring is
properly shielded (see the detector head
instruction manual).
2. Verify that the detector head wiring is
correct and secure.
3. Verify that power and detector head wiring
is routed through separate conduit hubs on
the bottom of the 12 VDC Beacon 200
housing.
4. Increase the alarm on delay setting in the
Channel Control & Setup Program.
5. If the frequent or suspect alarm difficulties
continue, contact RKI for further
instruction.
Flickering
Display • The display readings
flicker often. • The 12 VDC Beacon 200
is experiencing false
readings due to RFI or
EMI.
• The noise filter setting is
too low.
• The zero suppression
setting is too low.
• The display screen is
malfunctioning.
1. Verify that the detector head wiring is
properly shielded (see the detector head
instruction manual).
2. Verify that the detector head wiring is
correct and secure.
3. Verify that power and detector head wiring
is routed through separate conduit hubs on
the bottom of the 12 VDC Beacon 200
housing.
4. Increase the noise filter setting in the
Channel Control & Setup Program.
5. Increase the zero suppression setting in
the Channel Control & Setup Program.
6. If the display difficulties continue, contact
RKI for further instruction.
Buzzer Not
Working • The buzzer does not
sound an audible
alarm during alarm
conditions.
• The buzzer sounds
weak or broken.
• The buzzer is
disconnected or
misconnected.
• The buzzer is
malfunctioning.
1. Verify that the wiring to the BUZ- and
BUZ+ terminals of the controller terminal
strip is correct and secure.
2. If the buzzer difficulties continue, contact
RKI for further instruction.
Reset Switch
Not Working • The buzzer does not
silence when you
press the reset switch.
• The applicable alarm
circuit does not reset
when you press the
reset switch after an
alarm condition
passes.
• The reset switch is
disconnected or
misconnected.
• The reset switch is
malfunctioning.
1. Verify that the wiring to the RESET (2)
terminals of the controller terminal strip is
correct and secure.
2. If the reset switch difficulties continue,
contact RKI for further instruction.
Table 11: Troubleshooting the 12 VDC Beacon 200 (Continued)
Condition Symptom(s) Probable Causes Recommended Action