Troubleshooting and fault elimination
Troubleshooting
8-4
L
EDSVS9332P-E EN 3.0
8.2.2 Working with the history buffer
f
cde
g
Fault detection and reaction c
cc
c
•
Contains the fault detection for every memory location and the reaction to the fault.
– e.g. ”OH3 TRIP”
– With a fieldbus, the faults are indicated by a fault number.
(E 8-5, column 2)
Please note:
•
For faults occuring at the same time with different reactions:
– Only the reaction of the fault with the higest priority (priority = TRIP
→
Message
→
FAIL- QSP
→
Warning) is entered into the memory.
•
For faults occuring at the same time and with the same reaction (e.g. 2 messages):
– Only the fault which occurred first is entered.
Time d
dd
d
•
Contains the times when the faults occurred
– e.g. ”1234567 s”
– Reference time is the mains switch-on time (see dialog box
Diagnosis 93xx
, top right field)
Please note:
•
If a fault is immediately followed by another several times, only the time of the last occurrence
is stored.
Frequency e
ee
e
•
Contains the frequency of a fault immediately followed by the same fault. The time of the last
occurrence is stored.
Reset fault f
ff
f
•
Click TRIP reset to reset the fault
Delete history buffer g
gg
g
•
This function is possible only when no fault is active.
•
Click History buffer reset to delete the history buffer.
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