Bently Nevada 3300/46, Operation Manual

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0 R a m p Differential Expansion Monitor Maintenance
•
•
14 Self Test
84414-01
THE MONITOR HAS THREE LEVELS OF SELF TESTS:
POWER-UP TEST: PERFORMED ONLY WHEN MONITOR IS TURNED ON.
CYCLIC TEST: PERFORMED CONTINUOUSLY.
USER-INVOKED TEST: PERFORMED ONLY WHEN INITIATED BY USER.
N
H
0
e
5-
-2 4
v d c
= - 2 0 -
3- —
- N —
_G
-
= - —
0: 1 2 -
17
- 5 _
4 7
-
me
—
7 - 3 m a
IF ERRORS ARE DETECTED DURING CYCLIC SELF TESTS:
MONITORING IS ABORTED UNTIL THE ERROR IS
RESOLVED.
ERROR CODE IS STORED IN MEMORY AND FLASHED
ON THE LCD BARGRAPH DISPLAY.
BYPASS LEDS COME ON AND OK LEDS FLASH AT 5
HZ.
IF ERROR IS INTERMITTENT AND GOES AWAY,
MONITORING IS RESUMED AND OK LEDS FLASH AT
5 HZ.
ERROR CODE IS STORED. USER-INVOKED TEST
DISPLAYS AND CLEARS ERROR.
IF ERRORS ARE DETECTED DURING POWER-UP TEST OR USER-
INVOKED SELF TEST:
MONITORING IS ABORTED UNTIL USER ACTION
RESOLVES PROBLEM.
TEST CAN BE RERUN WITH MONITOR POWER-UP OR
USER-INVOKED TEST.
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