Honeywell Y9120W Sundial RF2 Pack 4 User Manual page 24

Troubleshooting Guide (cont.)
Symptom
ST9120C shows the
message 'SENSOR LOW
BATT' and a flashing tap
symbol
CS92A battery low
indication (press CS92A
button and red light
gives a short flash every
second 0.1s on, 0.9s off.
Note: light will switch off
after approx 1 minute to
save battery power)
ST9120C shows the
message 'NO SIGNAL'
and a flashing tap
symbol
ST9120C shows the
message 'SENSOR
FAULT' and a flashing
tap symbol
CS92A sensor error
indication (Press
CS92A button and red
light blinks 0.5s on,
0.5s off. Note - light will
switch off after approx
1 minute to save
battery power
24
FAQ AND TROUBLESHOOTING
Possible Cause Remedy
CS92A batteries Change the CS92A batteries (see page
are running low on 19 for how to do this)
power
CS92A batteries are Change the CS92A batteries (see page
running low on power 19 for how to do this)
RF communication Check direct path between both
path between products and re-position any objects
ST9120C and that may be blocking the signal
CS92A is blocked,
Relocate the CS92A transceiver, if
possibly by a
possible
metal object
CS92A sensor Re-connect the sensor wires to the
cable may be CS92A terminals
disconnected
from the wiring
terminals
Fault with CS92A Call Installer