__________________________________________________________________________ English
VAISALA_______________________________________________________________________ 13
Troubleshooting
Error Codes and Texts
Code Description Error Text
1 Probe T measurement error Probe T meas
2 Probe RH measurement error Probe RH meas
3 Probe communication error Probe communication
4 Probe checksum error Probe checksum
5 Probe message form error Probe message form
6 Program's flash checksum error Program code checksum
7 Current settings checksum error (RAM) Settings checksum
8 Factory flash not initialized Factory defaults empty
9 User flash not initialized User defaults empty
10 Voltage is too low to operate correctly Voltage too low
11 Measurements not available Measurements not available
12 Oscillator fault bit active HW fault 1
13 Analog output quantity invalid Analog output quantity invalid
14 Display quantity invalid Display quantity invalid
Technical Support
The complete HMT120 User's Guide is available in English at
www.vaisala.com/hmt120.
For technical questions, contact the Vaisala technical support by e-mail at
helpdesk@vaisala.com. Provide at least the following supporting
information:
- Name and model of the product in question.
- Serial number of the product.
- Name and location of the installation site.
- Name and contact information of a technically competent person who
can provide further information on the problem.
Product Returns
If the product must be returned for service, see www.vaisala.com/returns.
For contact information of Vaisala Service Centers, see
www.vaisala.com/servicecenters.
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