Troubleshooting - 3
From Sheet 2
Program current to full scale, voltage to Vmax and load to the power supply's rated current. Supply should be in CC.
Will not go into CC or error > 10%
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No
Output out of spec but close?
No
Output OK but meter wrong?
No
| CC_Prog OK ? |
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| Replace A1 |
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Yes | (see Table |
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No
Replace A2
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| Calibrate unit |
Yes |
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| Calibrate current. If still |
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Yes | ||
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Turn on OCP and insure Protect trips.
Prot trips? |
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| CC_detect* low? |
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| Check cable W9, | ||||||
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Goto Sheet 4
Figure 3-1 Sheet 3. Troubleshooting Flowchart
31