RKI Instruments Digester Gas Monitor - Manual (Page 86)

80 • Troubleshooting Digester Gas Monitor Operator’s Manual
Buzzer or
Optional
Horn/Strobe
Not Working • The buzzer or
horn/strobe
does not sound
an audible
alarm during
alarm
conditions.
• The buzzer or
horn/strobe
sounds weak or
broken.
• The STROBE
Installation item in
the Global Menu is
set to NO STROBE
INSTALLED.
• The buzzer or horn/
strobe is
disconnected or
misconnected.
• The buzzer or horn/
strobe is
malfunctioning.
1. Verify that the STROBE
Installation item in the Global
Menu is set to STROBE IS
INSTALLED.
2. Verify that the wiring to the
ALARM BUZZER - and ALARM
BUZZER + terminals of the
controller terminal strip is correct
and secure.
3. Verify that the wiring to the
STROBE - and STROBE +
terminals in the upper right corner
of the main PCB is correct.
4. If the buzzer or horn/strobe
difficulties continue, contact RKI
for further instruction.
Reset Switch
not Working • Depending on
the instrument
setup, the
buzzer or strobe
does not turn off
in the
appropriate
situation when
the reset switch
is pressed.
• 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.
• The Digester Gas
Monitor is not
properly setup for
the desired reset
switch operation.
1. Verify that the wiring to the
ALARM RESET (2) terminals of
the controller terminal strip is
correct and secure.
2. If the reset switch difficulties
continue, contact RKI for further
instruction.
3. Make sure that the Digester Gas
Monitor is properly setup in the
Global Menu and Configuration
Menus for the desired reset
switch operation.
Table 22: Troubleshooting the Digester Gas Monitor (Continued)
Condition Symptom(s) Probable Causes Recommended Action