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6
Unit Care and Maintenance
6.2 – Normal Function Test Procedure
This section involves "normal function" test proce dures. It includes
steps necessary to ensure that the TI150 Series Battery Charger/
Conditioner is operating within spe cified para meters prior to use. A
digital multimeter (an example is shown in Figure 6.2.1) capable of
measuring dc voltage and resis tance will be required to perform some
of the tests. These functional test procedures should become routine.
Check Unit for Evidence of Damage
Check for dents, punctures, case distortion or misalignment, and cracked or loose connec tors. If any
damage is evident, contact the Tesla™ Customer Service.
WARNING
Checking Unit Internal Resistance (Testing for Shorts)
It is essential to test for shorts to detect any problems with the unit. To do so, you will need to set your
multimeter to measure Ω or "resistance." You can test to see if both the ac input and dc output terminals
are isolated from the case and line ground in the following steps.
Step 1
Place the negative probe (black) of the multimeter on the ac plug ground pin and the positive
probe (red) on any exposed part of the metal casing or screw.
> The multimeter should read nearly 0 Ω (see Figure 6.2.2).
Step 2
Move the positive probe to one of the two ac plug blades.
> The multimeter should now read greater than 1 MΩ (see Figure 6.2.3).
Step 3
Move the positive probe to the other ac plug blade.
> The multimeter should again read greater than 1 MΩ (see Figure 6.2.3).
Step 4
Next, move the positive probe to the dc output cable black ring terminal.
> The multimeter should read greater than 1 MΩ (see Figure 6.2.3).
Step 5
Finally, move the positive probe to the dc output cable red ring terminal.
> The multi meter should read greater than 1 MΩ (see Figure 6.2.3).
If the following multimeter measurements correspond to the above steps, the unit has no internal shorts.
16
Severe injury or death from electrical shock can occur.
Ensure that both the AC Input Cable and DC Output
Cable are disconnected before performing any tests.
Figure 6.2.1 - Digital Meter
TI150 Series Hardwired Battery Charger/Conditioner
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