TESTO 6681 Profibus, Instruction Manual

Page: 61 / 154

testo 6681
- 1.5 Status, warning and error messages 61
Message Display Cause Remedying of fault
00E00 T process high** The process temperature
exceeds the temperature
designated for the probe
Remove the probe from
the process and take any
necessary measures to
lower the process
temperature
02806 Condensation* 100 % RH has been
reached, condensation
developing
Take measures to reduce
process humidity
02807 Values less than
0 % RH**
The adjustment or sensor
is faulty
Check adjustment (via
P2A adjustment history,
perform 2-point
adjustment where
necessary)
If the problem persists,
contact Testo Service
02809 Sensor early
warning*
For testo 6617 probe only:
The cover electrode of the
sensor is damaged; this
may soon cause the sensor
to break
Carry out visual
inspection
If the mirror-like surface of
the sensor is dirty or
damaged, contact Testo
Service
* Early warning
** Current malfunction