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A. EARTH CONTINUITY CHECK
Appliance must be electrically disconnected - meter set on Ω (Ohms) x 1 scale and
adjust zero if necessary.
— Test leads from any appliance earth point to earth pin on plug. Resistance should
be less than 0.1 Ω (Ohm), check all earth wires for continuity and all contacts
are clean and tight.
B. INSULATION CHECK
Appliance electrically disconnected, all switches ON.
a) meter set on Ω (Ohms) x 1 scale.
Test leads from L to N in appliance terminal block. If meter reads «0» then there
is a short circuit.
b) meter set on Ω (Ohm) x 100 scale.
Repeat test with leads from L to E. If meter reads less than ∞ (infinity) there is a
fault.
NOTE - Should it be found that the fuse has failed but no fault is indicated - a detailed
continuity check (i.e. by disconnecting and checking each component) is required to trace
the faulty component.
It is possible that a fault could occur as a result of local burning/arcing but no fault could be
found under test. However a detailed visual inspection should reveal evidence of burning
around the fault.
Instructions for the Installer