Diagnostics and Troubleshooting
260 809480 Instruction Manual XPR300
Safety considerations
For maximum safety, follow these safety guidelines when you diagnose or troubleshoot performance
issues:
Before you attempt to diagnose or troubleshoot a problem, make sure to read, understand,
and follow all of the safety instructions (in this manual and on the cutting system).
Unless the instructions tell you otherwise, always remove the power from the cutting system
before you attempt to diagnose or troubleshoot a performance issue.
Use a licensed electrician to install, modify, inspect, or repair any electrical equipment or
electrical systems.
Use a licensed plumber to install, modify, inspect, or repair any plumbing equipment or
plumbing systems.
For more information, refer to Qualifications of service personnel on
page 41 and the Safety and Compliance Manual (80669C).
WARNING
ELECTRIC SHOCK CAN KILL
Disconnect electrical power before doing troubleshooting or diagnostic work.
All work requiring removal of the plasma power supply outer cover or panels
must be done by a qualified technician.
See the Safety and Compliance Manual (80669C) for more safety
information.
WARNING
ELECTRIC SHOCK CAN KILL
The plasma power supply contains dangerous electric voltages that can seriously injure or
kill you.
Even if the plasma power supply is turned OFF, you can still get a serious electric shock if
the plasma power supply remains connected to an electric power source.
Use extreme caution if you do diagnosis or maintenance tasks when the plasma power
supply remains connected to an electric power source and the outer cover or panels are
removed.
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