Chapter 8 ___________________________________________________________ Troubleshooting
VAISALA_______________________________________________________________________ 71
CHAPTER 8
TROUBLESHOOTING
This chapter describes common problems, their probable causes and
remedies, and contact information.
Diagnostics
Operation Errors
The following symptoms indicate an operation error of the HMT360:
- The analog output(s) current drops below 4 mA.
- Display shows the word "ERROR".
- The LED on the cover is lit and no calibration is going on (transmitters
without display).
In the case of error:
- Check that the sensor is connected properly.
- Check if there is condensed water in the probe. If yes, let the probe
dry.
In case of constant error, contact the Vaisala Helpdesk. See section
Technical Support on page 72 for contact information.
Analog Output Test
Analog outputs can be tested with dip switch 1, see DIP Switch Functions
on page 45 for details.
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