JT520 Operator’s Manual Controls - 31
ESID
CMW
2. Strike indicator Red lights come on as values
in display increase.
Light in triangle represents
strike warning condition and
will trigger alarm(s) and
strobe(s).
Remember that system can
go from one or two lights to
an electric strike immediately.
NOTICE: The ESID does not indicate
proximity to electric lines. System will
activate only when voltage and/or
amperage detected at the drilling unit
are above threshold minimum limits.
3. Alarm interrupt button To turn off strike alarm at
drilling unit, press.
4. Voltage problem
indicator
Blinking red light indicates a
voltage indicator problem.
See “Troubleshoot Strike System” on
page 90.
5. Current problem
indicator
Blinking red light indicates a
current indicator problem.
See “Troubleshoot Strike System” on
page 90.
Item Description Notes
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