9. CHECKING FUNCTIONAL MEMBERS
9-1 VOLTMETER
Check the voltmeter if it is turned on by applying specific voltage. Voltmeter cannot be checked with circuit tester because its resistance is too large.
1Check that no disconnection nor
2Turn on the commercial power supply input and check the indication.
9-2 AC RECEPTACLES
Fig.
Using a “Dr. Robin” or a circuit tester, check continuity between the two terminals at the rear of the AC receptacles while the receptacle is mounted on the control panel. When continuity is found between the output terminals of the receptacle with a wire connected across these terminals, the AC receptacle is normal. When the wire is removed and no continuity is found between these terminals, the receptacles are also normal.
WIRE |
|
AC RECEPTACLE |
|
Fig. | Fig. |
9-3 No-FUSE BREAKER
Check continuity between each of two terminals at the rear of the
Fig.
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