TI3500 GPU-24
25
5
Unit Care and Maintenance
Check Unit Internal Resistance (Test for Shorts)
NOTE
!
Unit should be disconnected from any ac power sources prior
to testing for shorts.
Testing the NEMA Receptacle
Testing the DC Outlet
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 fas-
tener screw on the dc receptacle.
Move the negative probe to the DC
negative post. Multimeter should
read 0 Volts.
3. Place the negative probe to the fas-
tener screw on the dc receptacle.
Move the positive probe to the DC
positive post. Multimeter should
read 0 Volts.
1. Set multimeter to Ohms (Ω).
1. Set multimeter to Volts.
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