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Ramp Differential Expansion Monitor Operation
I 1 2 1 SELF TEST
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.
z s
1 . 1 1 . 1 0 = 1 1 1 1 1 1 = 1 1 ,
- 2 4
C
L - 2
3 0 -
N _
O_
N
2
E
4
x.
A
N
0
N
- 16 -
S -
H-. 8 -
o
o
o
o
o
o
0
0
0 0
S
84413-01
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 FLASHES 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.
13
Summary of Contents for 3300/46
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Page 30: ...3300 46 RAMPDIFFERENTIAL EXPANSION MONITOR MAINTENANCE MANUAL BENTLY r NEVADA PART NO 84414 01...
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