JT1220 Mach 1 Operator’s Manual Controls - 47
ESID
CMW
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 112.
5. Current problem
indicator
Blinking red light indicates a
current indicator problem.
See “Troubleshoot Strike System” on
page 112.
6. OK indicator Green light means system
self test detected no
problems.
Strike system is ready to
operate.
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