Bently Nevada 3300/46, Operation Manual

Page: 65 / 86

Ramp Differential Expansion Monitor Maintenance
14 I Self Test [Cont]
INITIATE USER-INVOKED TEST BY SHORTING ACROSS TWO SELF TEST (ST) PINS.
84414-01 •
CAUTION
Machine ProtectionWill B e
Lost For Duration of Test
AT COMPLETION OF USER-INVOKED SELF TEST, THE MONITOR WILL RECALL STORED ERROR CODES, IF ANY. •
THESE ERROR CODES MUST BE READ AND CLEARED WITH USER INTERACTION TO ALLOW MONITORING TO
CONTINUE.
DIFFERENTIAL
ExPANsioN moNITap
DM t.F.:P
a f t
NOTE
ALTHOUGH BOTH COLUMNS ON THE
BARGRAPH FLASH, THE ERROR CODE
IS ONLY THE SUM OF THE BARGRAPH
SEGMENTS DISPLAYED IN ONE COLUMN.
EXAMPLE SHOWS ERROR CODE 6.
TO READ CODES ON THE LIST, STEP THROUGH EACH ERROR CODE
BY PRESSING AND HOLDING THE ALERT SWITCH FOR APPROXIMATELY
1 SECOND.
AT THE END O F THE LIST, T H E L C D BARGRAPH DISPLAYS A L L
SEGMENTS. TO REREAD THE LIST PRESS THE
ALERT SWITCH. TO
CLEAR THE LIST FROM MEMORY, PRESS AND HOLD THE DANGER
SWITCH FOR APPROXIMATELY 1 SECOND.
3 0