ZS3 Service Manual Page 282 of 295
ELECTRICAL SAFETY INSPECTION
4- Protective Earth Resistance
3) Press shortcut key 3. The Protective Earth Resistance test is displayed.
4) Press SOFT KEY 3 to select a test current (1AMP, 10AMP, or 25AMP). The
selected test current is displayed in the upper right corner of the display.
5) Press START TEST to start the test. The test current is applied while resistance
and current readings are taken. This takes approximately 5 seconds.
6) Press the print data key at any time to generate a printout of the latest
measurement(s).
When "Over" is displayed for Ohms, this signifies that a valid measurement
was not obtained because either an open connection was detected or that the
measurement was not within range. Readings greater than 9.999 Ohms will be
displayed as Over.
Once it reaches the limitation, stop using equipment. Check the protective
earth connection between Protective Earth terminal and Protective Earth Metal
enclosure and equipotential terminal; Retest and inform the Customer Service
Engineer for analysis and disposal if still fail.
ALL COUNTRIES R = 0.2Ω Maximum