Bently Nevada 3300/46, Operation Manual

Page: 19 / 86

Ramp Differential Expansion Monitor Operation
LED DISPLAY
A
B
CONDITION
OK
RELAY DRIVE *
• OK •
CHANNEL A AND B IN OPERATING RANGE
ON
•
0
OK
OK
0
•
RESPECTIVE CHANNEL A OR B TRANSDUCER
IN NOT OK CONDITION. *
OFF *
0 OK 0
MONITOR IN SELF TEST, OR BOTH
TRANSDUCERS IN NOT OK CONDITION OR
BYPASSED. *
OFF *
*
OK 0
FLASHING AT 5 Hz = ERROR ENCOUNTERED
DURING CYCLIC TEST. READ ERROR MESSAGE
SEE SECTION 12.
ON
•
OK
FLASHING AT 1 Hz = TRANSDUCER
HAS BEEN NOT OK SINCE LAST
RESET.
ON
•
84413-01
5
OK
NOTE: EACH CHANNEL IN THE SYSTEM CONTROLS THE OK RELAY. THEREFORE, EITHER CHANNEL CAN CAUSE A
NOT OK RELAY CONDITION (DEENERGIZED RELAY)
* MONITOR CAN BE BYPASSED TO RESTORE RELAY OK CONDITIONS TO THE REST OF THE RACK
•
•
•
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