Maintenance
Information to isolate possible failures and procedures for maintaining your probe.
Host instrument firmware
Some instruments may require a firmware upgrade to support full functionality of the latest probes that are offered by Tektronix.
Instruments with lower versions of firmware may not display all probe controls and indicators on screen, and in some cases may require
you to power-cycle the instrument to restore normal instrument operation. If you are having problems with your probe and suspect that you
need to upgrade your instrument firmware, go to www.tektronix.com/probe-support to download the latest firmware.
To check the firmware version on Windows-based instruments, from the menu bar, click Help/About TekScope. On Linux-based
instruments, press the Utilities button on the front panel.
Error conditions
LEDs do not remain lit
If none of the LEDs remain lit after you connect the probe, a probe/oscilloscope interface fault may exist. Perform the following steps until
you clear the fault or isolate the problem:
• Disconnect and reconnect the probe to restart the power-on diagnostic sequence.
• Connect the probe to a different channel on the oscilloscope.
• Disconnect the probe from the oscilloscope, power-cycle the oscilloscope, and then reconnect the probe.
• Connect the probe to a different oscilloscope.
If the symptoms remain (they follow the probe), then the probe is defective and must be returned to Tektronix for repair.
Signal display
If the probe is connected to an active signal source and you do not see the signal displayed on the oscilloscope:
• Check that the probe accessories that you are using are fully mated.
• Check the probe connection on your circuit.
• Perform a functional check on the probe.
Cleaning
Protect the probe from adverse weather conditions. The probe is not waterproof.
CAUTION: T
o prevent damage to the probe, do not expose it to sprays, liquids, or solvents. Avoid getting moisture inside the
probe when cleaning the exterior.
Clean the exterior surfaces of the probe with a dry, lint-free cloth or a soft-bristle brush. If dirt remains, use a soft cloth or swab dampened
with a 75% isopropyl alcohol solution. Use only enough solution to dampen the cloth or swab. Do not use abrasive compounds on any part
of the probe.
Maintenance
High Voltage Differential Probes THDP0100/0200 and TMDP0200 User Manual 61
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