Problem
Probable Cause
Remedy
Serial communication is
inconsistent or data is
missing.
Pin contacts of the connector
have become oxidized or the
connector is not firmly
attached.
Change the WMT700 cable.
For further instructions, see
Vaisala Automatic Weather Station AWS310 / AWS310-SITE
Installation Manual
.
6.8 Troubleshooting WA15
6.8.1 Problem Situations with WAV151
Table 33 WAV151 Problem Situations and Their Remedies
Problem
Probable Cause
Remedy
Data is not received from the
sensor.
The sensor is not powered
properly.
Check that the supply voltage is 9.5 … 15.5
VDC.
Improper or loose
connections.
Check the wiring and tighten the screw
terminals.
After removing the
connector's hex nut, the
connector is bent, which
breaks the connection wires.
Check the connector.
The sensor is mechanically
damaged.
Send the sensor to Vaisala for repair.
Sensor body is covered with
ice and snow.
Sensor heating does not
function.
Check the status indicator of the surge
arrester. If the indicator is red, change the
removable plug in the surge arrester.
Heating is disabled when the system is
running on backup battery. Check that the
power cable is connected (the cable is not
loose).
Heating element is not
properly connected or does
not function.
Send the sensor to Vaisala for repair.
Output from the connector
pins
C
to
H
does not have the
right code or is not at the
proper level.
The printed circuit board is
damaged.
Send the sensor to Vaisala for repair.
When you rotate the shaft
mechanically, current
consumption is less than
17 mA or more than 25 mA .
AWS310-SITE Configuration and Maintenance Manual
M211828EN-C
134
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