Vaisala WXT531 User Manual

Chapter 10 __________________________________________________________ Troubleshooting
VAISALA______________________________________________________________________ 169
Data messages are not in
expected format.
The communication protocol
may not be the one you want.
Check the communication
protocol of the device by using
the Vaisala Configuration Tool or
any terminal with command
aXU,M! (SDI-12)
aXU,M<cr><lf> (ASCII/NMEA)
and change it if needed. See
Chapter 6 Connection Options,
on page 73.
Some parameters are missing
from the data messages.
The formatting of the data
messages is not what you
expect.
Format the data messages of the
concern by using the Vaisala
Configuration Tool or any
terminal program. See Chapter 8
Sensor and Data Message
Settings, on page 127.
An error message as a response
to a command.
Refer to Error Messaging/Text
Messages on page 170.
Refer to Error Messaging/Text
Messages on page 170.
The transmitter keeps sending
the message "TX Sync/address
error".
The polling address and the
transmitter address do not
match.
The transmitter is on an RS-485
bus with other polled devices
and Error Messages are
enabled.
Set correct address either for the
transmitter or to the polling
request.
Disable the Error Messages with
the command aSU,S=N
<cr><lf>.
mA messages cannot be found. No mA output ordered. You need to specify the mA
option when you place the order.
Analog input messages are
missing.
Analog input messages are not
enabled.
Enable analog input messages.
See Enabling or Disabling
Analog Output, on page 160
Precipitation messages missing. No precipitation measurement in
models WXT534 and WXT532.
Table 27 Communication Problems (Continued)
Problem Possible causes Action(s)

Vaisala WXT531 Specifications

General

Brand	Vaisala
Model	WXT531
Category	Transmitter
Language	English