Installation and Maintenance Manual

VAV-SVX07A-EN 73
Troubleshooting
• Model WDS: Battery life ("Testing Battery Status," Tab le 16 , p. 7 3 ) and signal strength
("Testing Signal Strength," Table 17, p. 73) are indicated.
Table 16. Battery status: Battery symbol on model WDS sensor display
User action Battery test symbol Indicates…
Press Test button
X
Full battery power
50% battery life left
25% 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.
Table 17. Observing signal strength on the sensor
User action
LED state (WTS, WZS
sensors)
Symbol (WDS
sensor display) Indicates…
None LED1: Off
LED2: Off
LED3: Off
No Test symbols
appear
Normal state
* No Test button press
Press Test
button on
the sensor
LED1: Off
LED2: Off
LED3: Off
Associated; no communication with receiver
* Associated, but no signal from the receiver after pressing Test button
LED1: On
LED2: On
LED#: On
Displays for 5 seconds, then
constantly Off
Excellent signal strength
* Good signal margin for reliable communication
LED1: Off
LED2: On
LED3: On
Displays for 5 seconds, then
constantly Off
Satisfactory signal strength
* Adequate signal strength for reliable communication
* Moving sensor or receiver may improve signal strength
* Increased channel switching may reduce battery life
LED1: Off
LED2: Off
LED3: On
Displays for 5 seconds, then
constantly Off
Poor signal strength
* Unreliable communication
* Strongly recommend moving data sensor or receiver to a better
location
Note: When checking signal strength, both LED1 and LED3 on the receiver and sensor illuminate in unison if the sensor and receiver are associated. Use
this feature to confirm association.