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Sentry
Liquid Level Alarm
4. OPERATION and TROUBLESHOOTING
4.1 State Table and Troubleshooting - Indoor Alarm Display
LED
AUDIO
(i.e. Septic tank)
OFF
OFF
GREEN
OFF
STEADY
RED
PULSING
FLASHING
RED
MUTED
FLASHING
RED
OFF
STEADY
YELLOW
PULSING
FLASHING
YELLOW
CONTINUOUS
STEADY
GREEN /
YELLOW
CONTINUOUS
FLASHING
OR BLUE
RED
CONTINUOUS
STEADY
RED /
YELLOW
CONTINUOUS
FLASHING
As it was
CHIRP
Page 12
HIGH LEVEL
LOW LEVEL
(i.e. Cistern)
Check breaker
No Power
Check Transformer
Check plug into display
PROBE
PROBE DRY
OK
WET
ALARM
ALARM -
- PROBE
OK
PROBE WET
DRY
ALARM
ALARM -
- PROBE
OK
PROBE WET
DRY
DISPLAY GOING INTO
See 4.3.1
PROGRAMMING MODE
MANUAL TEST
OK
Replace batteries (See 5.1)
Check for radio interference
NO WIRELESS SIGNAL
Change radio frequency Transmitter
out of range
PROBE ERROR
Replace probe
Check polarity of probe conductors
Check the probe wire for damage
PROBE OR ELECTRONICS
Check outdoor transmitter interior for
SHORTING
moisture
Replace probe
Check battery polarity
LOW VOLTAGE OR
Connect probe wires (See FIG 4)
PROBE DISCONNECTED
Check probe wire for damage; make a
waterproof repair
LOW BATTERY
Replace batteries (See 5.1)
CORRECTIVE ACTION
Model 110 Operating Manual
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