Problems - GE Bently Nevada TK84 User Manual

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TK84 Temporary Transducer Interface User Guide
9.
Connect TK84 OUT A to voltmeter (you
may use a TK83 Balance Master 2.
Connect to TK83 SIGNAL connector in
the DIRECT/GAP mode).
10.
Set TK84 CHAN A switch to ON.
11.
Place a reflective target (white paper
or other reflective object) in front of
optical sensor. The voltmeter (or TK83)
reading should be greater than 5 Vdc
when you put the target in front of the
probe, and drop to less than 0.5 Vdc
when you remove it.
2.2

Problems

Table 2-1: Problem Symptoms and Solutions
PROBLEM
BATTERY OK WHEN LIT
off, dim, or flashing
No output from CHAN B
OUT with Proximitor
transducer connected.
Erratic output from
optical Keyphasor
transducer.
10
CAUSE/SOLUTION
Battery low./Replace
battery.
Loose or wrong
connections./Check
connections.
Probe receiving
unwanted reflections
from shiny spots on
shaft./Readjust gap and
angle of probe to shaft.
(see Section 1.3.2,),
Reflective tape is
dirty./Replace reflective
tape.