Vaisala WAV151 Uživatelská příručka stáhnout pdf (Strana 23)

Chapter 5 ______________________________________________Troubleshooting

VAISALA__________________________________________________________21

CHAPTER 5

TROUBLESHOOTING

This chapter describes common problems, their probable

causes and remedies, and contact information.

Common Problems

Table 4 Some Common Problems and their

Remedies

Problem Probable Cause Remedy

The sensor is mechanically

damaged.

Check the cables and

connectors.

After removing the connector's

hexagon nut, the connector is

bent, which breaks the

connection wires.

Check the connector.

The sensor is not powered

properly.

Check that the supply voltage

is from 9.5 to15.5 VDC

The data is not

received from the

sensor.

Some Vaisala products, for

example, WAT12, switch

power on to the sensor only

for a very short period (200 µs

to 500 µs).

Check that the sensor output

rises above (U

- 1.5 V) at the

end of the power pulse.

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Vaisala WAV151 Uživatelská příručka Strana 23