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3.3 Test inhibit
Each test mode has conditions under which testing will be inhibited, as below:
3.3.1 Insulation
Detection of a circuit voltage above 50 V (a warning is displayed at 25 V)
3.3.2 Continuity
Detection of a circuit voltage above that used by the instrument will inhibit testing.
3.3.3 Earth loop impedance
Touch voltage exceeds 50 V (or 25 V depending on instrument configuration)
Supply voltage over range or under range
Supply Frequency out of specification
3.3.4 RCD testing
Touch voltage detected or predicted to exceed 50 V (or 25 V depending on instrument configuration)
Supply voltage over range or under range
Supply Frequency out of specification
3.3.5 Earth testing
External voltage greater than 25 V present
Leads not corrected connected as per the test requirements
Potential stake not within range (Rp)
Current stake not within range (Rc)
3.3.6 Battery exhausted
All testing will be inhibited in the event of a flat battery, refer to section 2.3.
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