40
1.
Set the rotary switch to
:
.
2.
Insert the red test lead into the
:
terminal and the black one into the
COM
terminal.
3.
Short circuit the red and black test lead probes, when the reading of the meter should be
displayed between 0.2
:
and 0.5
:
. If it is more than 0.5
:
, check the test leads to see whether they
are well connected to the meter.
4.
Connect the red and black test lead probes in parallel to the two ends of the fuse, when the
reading of the meter should be displayed less than 10
:
, indicating that the fuse is good. When the
display is overload “
OL
”, it is shown that the fuse has been blown out.
Warning:
z
It must be replaced with a fuse of the same type and size.
Switch Testing
1.
The same as in Items 1 to 3 of Fuse Testing.
2.
Connect the black test lead probe to one end of the switch and the red one to another end.
When the switch is connected, the reading of the meter should be displayed less than 10
:
. When
the switch is cut off, overload “
OL
” should be displayed as the reading of the meter.
Solenoid or Relay Testing
72-9280: OPERATING MANUAL
