TESTO 6381 Instruction Manual page 83

Message Display
02822 T process high** The process
02821 T process low** The process
0081C Alarm 1**
0081D Alarm 2**
0081E Alarm 3**
0081F Alarm 4**
02900 2-point
adjustment drift*
02806 Condensation*
02807 Values less than
0 % RH**
Cause
temperature exceeds
the temperature
designated for the
probe
temperature is below
the temperature
designated for the
probe
Depending on the
parameterization of the
relays
Depending on the
parameterization of the
relays
Depending on the
parameterization of the
relays
Depending on the
parameterization of the
relays
In the 2-point
adjustment, corrections
repeatedly occur in the
same direction; this may
indicate a sensor drift
100 % RH has been
reached, condensation
developing
The adjustment or
sensor is faulty
4 Transmitter
Remedying of fault
Remove the probe from
the process and take
any necessary
measures to lower the
process temperature
Take necessary
measures to raise
process temperature
Depending on the
parameterization of the
relays
Depending on the
parameterization of the
relays
Depending on the
parameterization of the
relays
Depending on the
parameterization of the
relays
Send the probe into
Testo Service
Take measures to
reduce process
humidity
Check adjustment (via
P2A adjustment history,
perform 2-point
adjustment where
necessary). If the
problem persists,
contact Testo Service
83