Vaisala DMT143 - Manual (Page 68)

USER'S GUIDE ____________________________________________________________________
66 ___________________________________________________________________ M211435EN-E
Error Messages
The transmitter has error codes that can be displayed on the serial line
using the ERRS command. See section Show Currently Active Errors on
page 40.
Table 13 Error Messages
Error Message Possible Cause and Solution
T MEAS error DRYCAP
®
sensor damaged or
missing. Contact a Vaisala service
center. F MEAS error
Voltage error Supply voltage out of range.
Check and correct.
Voltage too low error
Voltage too low for mA output
Voltage is too low for V output
Program flash check sum error
Internal transmitter error. If the error
remains after a reset and restoring the
factory settings, contact a Vaisala
service center.
Parameter flash check sum error
INFOA check sum error
SCOEFS check sum error
CURRENT check sum error
Unknown Serial Settings
If you are not sure what the current serial settings of your transmitter are,
follow the steps below to connect to the transmitter. This procedure
assumes you have the USB service cable available.
For more information on the USB service cable and the PuTTY terminal
application, see section Serial Communication on page 35.
1. Connect the USB service cable to your PC, but do not connect it to
the transmitter yet.
2. Start a terminal application and open a terminal session using the
default serial settings of 19200 8 N 1.
3. Plug the USB service cable into the transmitter, and immediately
send the hash character # to the serial line:
#
4. The normal startup of the transmitter is now interrupted, and the
transmitter is available for commands with the default serial
settings.
5. You can now check the transmitter’s information by issuing
the ? command:
?
The transmitter’s currently stored serial settings are visible on the
line marked Baud P D S.