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Diagnostics and Troubleshooting
Table 48. Battery status indicated by LED5 on the wireless zone sensors
User action
LED state
Press Test button
Solid green for 5 seconds
Solid red for 5 seconds
No light
None
Blinking red: 1-blink pattern
Cycle repeats every 15 minutes.
(a)
Blink pattern is On for 1/4 s, Off for 3/4 s, with 2 s Off between repetitions.
Table 49. Battery status shown on the wireless display sensor
User action
Battery test
symbol
Press Test
button
24 V Power Status Indicator
LED5 on the receiver of all models (see
lights and stays constantly On when 24 V power is normal.
Check Signal Strength on a Site
Use the wireless sensor system to check the signal
strength on a site.
1. Power up a receiver with a 24 V transformer (user
supplied).
2. Associate the sensor to a receiver of the same model
intended for the job.
3. Place the receiver at the desired location.
4. Place or hold the sensor at the desired location.
5. Press the Test button (S5) on the sensor and observe
the signal strength as indicated by LED1, LED2, and
LED3 on model WZS (see
the display on model WDS (see
For more information on interpreting the LEDs and the
display symbols that indicate signal strength, see
Signal Strength," p.
126.
Replacing Sensor Batteries
Sensor battery type, length of life, and installation are
addressed in this section.
128
(a)
repeated 5 times.
Indicates...
Battery
test
symbol
Full battery
power.
Figure 102, p.
125)
Figure 103, p.
125), and on
Figure 104, p.
125).
"Testing
Indicates...
Battery is adequate for proper operation.
25% battery life left. Batteries should be replaced.
Batteries life expired or not installed properly, or sensor is defective.
Approximately 14 days of operation remain before the battery is too weak to
power the sensor.
Indicates...
Battery test
symbol
50 percent
battery life left.
Battery Type
Battery Damage!
Failure to follow instructions below could result in
battery leakage and, in some cases, cause the safety
release vent to open.
Do NOT attempt to recharge the batteries. The
batteries are manufactured in a ready-to-use state and
are NOT designed for recharging.
Sensor Damage!
Do not hook up the sensor to a power supply as it
could result in sensor damage.
Use two non-rechargeable 1.5 V lithium AA batteries in the
sensor. To maintain UL rating, use only UL-listed lithium
batteries. The sensor ships with Energizer
already installed. Replacement batteries are available at
Trane Service Parts Centers or other local suppliers.
Battery Life
Battery life is five years under normal conditions. If the
sensor is not used for an extended period of time, do one of
the following:
•
Set the sensor address to 000 to place the sensor into
a low-power hibernation mode.
•
Remove the batteries
Indicates...
25 percent battery life left. Replace
batteries.
Flashing symbol indicates that
approximately 14 days of operation remain
before the battery is too weak to power the
sensor.
NOTICE
NOTICE
®
L91 batteries
BCX-SVX002A-EN
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Troubleshooting
