BAS-SVX04C-EN • Wireless Sensors 43
Maintenance and Troubleshooting
Procedure for Testing the Wireless Sensor System
If the wireless sensor system is not working as expected:
1. Observe LED5 on the receiver. LED5 is On solid green whenever the receiver is
powered.
2. Verify that the receiver is properly grounded. Both the GND-SIGNAL (black) wire
and the GND-POWER (yellow) wire must be grounded (see Figure 3, p. 16 or
Figure 4, p. 16 for wiring diagrams).
3. Press the Test button on the sensor.
• Models WTS, WZS: LED5 should turn On solid green, indicating proper battery
strength. LED1, LED2, and LED3 will indicate signal strength.
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.
• Model WDS: Battery life (“Testing Battery Status,” p. 34) and signal strength
(“Testing Signal Strength,” p. 34) are indicated on the display.
Procedure for Testing the Receiver
If the receiver is not working as expected:
1. Verify that the receiver is powered.
2. Set the receiver address to 000 to force the zone temperature output and zone
temperature setpoint output to their default mode values (see “Output Values—
Failure and Default Modes of Operation,” p. 44).
3. Measure the receiver output resistance (see “Measuring Output Resistance,” p. 44).
4. When the test is complete, reset the receiver address to its previous setting.
5. Press the Test button on the sensor to force re-association.
6. Confirm association and communication by noting LED1, LED2, and LED3 as
described in “Testing Signal Strength,” p. 37.
Forcing a Sensor to Transmit
To force a wireless sensor to transmit during servicing, press the Test button on the
sensor.
Output Power Level
The maximum output power level of a wireless sensor set is controlled by software and
restricted by channel of operation and agency requirements per country or region. The
sensor has a default maximum power level of 10 mW, but the receiver determines the
ultimate output power level of the sensor.
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