Rev. 1.0
WALTHER Temperature Controller Bundle WTRB-x-x
Page 39 of 42
Walther Systemtechnik GmbH
– D 76726 Germersheim
Telefon: +49 (0)7274-7022-0 Telefax: +49 (0)7274-7022-91
http://www.walther-2000.de
8 Troubleshooting
8.1 Error Messages
Display
Reason/cause
Action
- 1999
(blinking!)
Displayed value falls under meas-
uring range
•
Is the medium to be measured
within the measuring range (too
hot
– too cold?)
•
Check sensor for sensor break
or sensor short circuit
•
Check connection of sensor and
the connecting clamps
•
Check line
•
Check if the connected sensor
matches the configured sensor
type
9999
(blinking!)
Displayed value exceeds measur-
ing range
PErr
Start of firing curve not possible
because actual value
≥ desired
value 1
The firing curve can be started if
actual value < desired value 1
Exceeding or falling short of the measuring range includes the following events:
•
Sensor break / sensor short circuit
•
Measured value is not within the measuring range of the sensor
•
Display overflow
During the initialization of the device (all displays turned on, upper 7-segment-display is blinking), you cannot
press any key.
