TI1500 GPU-12
16
3
Operating Procedures
Check Unit Internal Resistance (Test for Shorts)
2.
Place the negative probe on the
ac ground post and the positive
probe to the dc positive post.
Multimeter should read greater
than 10 MΩ.
3.
Move the positive probe to the dc
negative post. Multimeter should
read greater than 10 MΩ.
4.
Move the positive probe to the fas-
tener screw on the dc Receptacle.
Multimeter should read less than
1Ω.
2.
Place the positive probe to the
fastener screw on the dc recep-
tacle. Move the negative probe
to the dc negative post. Multi-
meter should read 0 Volts.
3. Place the negative probe to the
fastener screw on the dc recep-
tacle. Move the positive probe
to the dc positive post. Multim-
eter should read 0 Volts.
1.
Set multimeter to Ohms.
1.
Set multimeter to Volts.
NOTE
!
Unit should be disconnected from any AC power sources prior to testing.
