ESR60/ESR70 User Guide April 2012 – Rev 8
Page 13
Appendix A - Troubleshooting
Problem Cause / Possible Solution
ESR value when probes
are shorted is not close
to 0Ω
Perform a probe compensation.
Seems to be stuck
“Measuring
capacitance”
It is possible that one (or more) probe
connections has become broken. Check all
connections at both ends of the test leads.
Display shows
Removing trace
charge
This message is displayed if the Atlas ESR has
detected that the attached capacitor may be
exhibiting “Soakage” or “Dielectric
Absorption”, this is quite normal. The
instrument then ensures that the capacitor is
very well discharged and helps to prevent
voltage developing across the capacitor after
the normal discharge procedure has completed.
Display shows
Auto discharge
taking too long!
The unit attempts to remove charge from the
capacitor using a controlled discharge
procedure. If this takes longer than 60 seconds
then the discharge process will be aborted. It is
recommend that you safely discharge the
capacitor manually and try analysis again.
Display shows
Warning! V=132V
Safely discharge
If the voltage across the capacitor is greater
than 50V then the Atlas ESR will not attempt
to discharge the capacitor, please safely
discharge the capacitor manually.
Display shows
Self Test Fail
Code 2
It is possible that a hardware failure has
occurred, please contact Peak Electronic
Design Limited for assistance.
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