Vaisala HMT100 - Manual (Page 39)

Chapter 4 ______________________________________________________________ Maintenance
VAISALA _______________________________________________________________________ 39
Troubleshooting
Table 4 presents a summary of the error messages that may appear during
adjustment with the HMI41.
Table 4 Common Problems During Adjustment and Their
Remedies
Error Message Probable Cause Remedy
RH
This message may
appear, for example, if
the difference between
the reference humidities
is too small
(< 50 %RH). Perform the adjustment
again.
This message may
appear during
adjustment when the
HMI41 is trying to
contact the transmitter. Wait.
The connection cable is
not properly connected
or the serial line
settings of the HMI41
and the transmitter do
not correspond. Check the connection of
the calibration cable.
Check that the serial line
settings in the HMI41
memory correspond to
those of the transmitter.