128
BCX-SVX002A-EN
Table 48. Battery status indicated by LED5 on the wireless zone sensors
User action LED state Indicates...
Press Test button Solid green for 5 seconds Battery is adequate for proper operation.
Solid red for 5 seconds 25% battery life left. Batteries should be replaced.
No light Batteries life expired or not installed properly, or sensor is defective.
None Blinking red: 1-blink pattern
(a)
repeated 5 times.
Cycle repeats every 15 minutes.
Approximately 14 days of operation remain before the battery is too weak to
power the sensor.
(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
Indicates... Battery
test
symbol
Indicates... Battery test
symbol
Indicates...
Press Test
button
Full battery
power.
50 percent
battery life left.
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.
24 V Power Status Indicator
LED5 on the receiver of all models (see Figure 102, p. 125)
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 Figure 103, p. 125), and on
the display on model WDS (see Figure 104, p. 125).
For more information on interpreting the LEDs and the
display symbols that indicate signal strength, see “Testing
Signal Strength,” p. 126.
Replacing Sensor Batteries
Sensor battery type, length of life, and installation are
addressed in this section.
Battery Type
NOTICE
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.
NOTICE
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
®
L91 batteries
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
Diagnostics and Troubleshooting
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