West Control Solutions N8840 - Manual (Page 13)

3.4 Error list / Maintenance manager
With one or several errors, the extended
operating level always starts with the error list.
Signalling an actual entry in the error list (alarm,
error) is done by the Err LED in the display. To
reach the error list press Ù twice.
Error list:
Operation
8840 profiler 13 Error list / Maintenance manager
RUN
°C
°F
Err LED status Signification Proceed as follows
blinks(status 2) Alarm due to existing
error
Determine the error type in the error list After error
correction the unit changes to status 1
lit(status 1) Error removed, alarm
not acknowledged
Acknowledge the alarm in the error list pressing key
È
or
Ì
The alarm entry was deleted (status 0).
off(status 0) No error, all alarm
entries deleted
-Not visible except when acknowledging
Name Description Reason Possible remedial action
E.1 Internal error,
cannot be removed
- E.g. defective EEPROM - Contact West service
- Return unit to our factory
E.2 Internal error, can be
reset
- e.g. EMC trouble - Keep measurement and power
supply cables in separate runs
- Ensure that interference
suppression of contactors is
provided
E.3 Configuration error,
can be reset
- wrong configuration
- missing configuration
- Check interaction of configuration
/ parameters
E.4 Hardware error - Codenumber and
hardware are not
identical
- Contact West service
- Elektronic-/Optioncard must be
exchanged
FbF.1 Sensor break INP1 - Sensor defective
- Faulty cabling
- Replace INP1 sensor
- Check INP1 connection
Sht.1 Short circuit INP1 - Sensor defective
- Faulty cabling
- Replace INP1 sensor
- Check INP1 connection
POL.1 INP1polarity error - Faulty cabling - Reverse INP1 polarity
FbF.2 Sensor break INP2 - Sensor defective
- Faulty cabling
- Replace INP2 sensor
- Check INP2 connection
Sht.2 Short circuit INP2 - Sensor defective
- Faulty cabling
- Replace sensor INP2
- Check INP2 connection
POL.2 INP2 polarity - Faulty cabling - Reverse INP2 polarity
FbF.3 Sensor break INP3 - Sensor defective
- Faulty cabling
- Replace INP3 sensor
- Check INP3 connection
Sht.3 Short circuit INP3 - Sensor defective
- Faulty cabling
- Replace sensor INP3
- Check INP3 connection
POL.3 INP3 polarity - Faulty cabling
-
- Reverse INP3 polarity