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Diagnostics and Troubleshooting
Note: If lithium batteries are temporarily unavailable,
alkaline batteries can be used. However, alkaline
battery life is very short by comparison.
Notes: The battery life for model WDS may decrease
with extended LCD display activity.
Battery Installation
WARNING
Prevent Injury!
Batteries can explode or leak and cause burns if
installed backwards, disassembled, charged, or
exposed to water, fire, or high temperature.
WARNING
Prevent Injury!
Keep away from small children. If swallowed, contact
your local poison control center immediately.
1. Observe the polarity indicators that are molded into
the cover.
2. Install two batteries (of the type specified in
Type, " page
133) in the battery-holding slot that is
molded into the sensor cover.
The sensor has been designed to prevent damage if the
batteries are installed backwards, to reduce the potential
for injury.
Manual Association
Before attempting manual or automatic association, the
receiver must indicate readiness to associate (one blink
pattern of LED3 on receiver). Refer to
for Readiness, " page
66.
At any time, the manual association method can be used
to associate the receiver with the sensor. If an association
was previously established between a receiver and a
sensor and needs to be re-established, the manual
association process may be used. If an association has not
yet been established, the automatic association process is
recommended (see
"Associating Sensor to Receiver, "
page
67).
1. Using a small screwdriver, set the three rotary address
switches
(Figure 53 , page
the receiver to an address between 001 and 999.
Note: An address can be changed at any time after initial
association has been established. It is not
necessary to power down the receiver or sensor.
2. Set the three rotary address switches
page
66, locations S1, S2, S3) on the sensor to the
same address as the receiver.
3. Record the address and location of the receiver and
sensor pair.
134
"Battery
"Observing Receiver
66, locations S1, S2, S3) on
(Figure 53 ,
4. After verifying that the receiver and sensor are
powered up, press the Test button on the sensor to
establish that the signal strength
Strength, " page
132) and the battery life
Battery Status, " page
133) are adequate for proper
functioning.
Disassociation
The receiver disassociates from the sensor (by removing
all stored association information), conducts a channel
scan, and restarts itself, if any of the following are true:
•
The receiver address is changed from its current
setting (001–999)
•
The receiver receives a disassociation notification
from its associated sensor
•
The receiver does not receive a communication from
its associated sensor within 50 minutes.
•
The sensor and receiver are associated and
communicating at the time the sensor is set to 000 and
the Test button is pressed.
Note: A disassociated sensor will transit an association
request every 10 minutes.
Sensor/Receiver Compatibility
Version 1.5 (p/n X13790854 and X13790855) and higher
receivers are compatible with all sensors models and
support all functions. Receivers released prior to version
1.5 are compatible with only model WZS.
Replacing a Failed Sensor or Receiver
Note: Receivers ship installed on the unit. To remove the
receiver, press in the retention tabs on the
underside of the receiver enclosure (see
page
65) and push upward.
To replace a failed sensor or receiver:
1. Confirm that the device is disassociated (see
and
Table 65, page
131).
2. Set the rotary address switch of the new device to
match the address of the remaining sensor or receiver.
Note: There is no need to remove power from the
remaining device.
3. Apply power to the new device. Association between
the new and the remaining devices will automatically
occur.
Note: When replacing a WDS sensor, the receiver
(version 1.5 or higher) will automatically configure
the sensor to match the last stored configuration, if
the sensor has not been placed into configuration
mode and the factory default configuration is still
valid. If the sensor configuration does not match
the desired system features, it can be manually
configured (see
"Manual
("Testing Signal
"Testing
Figure 51,
Table 64
Association").
UNT-SVX07E-EN
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Troubleshooting
