3 - Troubleshooting
From Sheet 1
Enable output and program voltage and current full scale with no load. Measure output voltage.
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| Check to insure OV |
Unit OV's? |
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| setting is not less than | |
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| the voltage setting. If not | |||
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| then replace A1. |
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No
Output voltage |
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| Yes | ||||
> 10% error? |
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| No |
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CV_Prog & |
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| Check cable W9, |
CC_Prog OK? (see |
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| Yes |
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| Replace A1 | ||
Table |
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No
Replace A2
Output out of spec |
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| Calibrate voltage |
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but close? |
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| No |
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Output OK but |
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| Calibrate voltage. If |
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meter wrong? |
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| calibrate, replace A2 |
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| No |
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Program the OV 2 volts lower than the output voltage.
Unit OV's? No
Program OV to full scale
Yes
OV_Prog OK? |
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| Calibrate OV. If OV is still | |||
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| not functioning properly | ||||
(see Table |
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| check W9, replace A1. | ||||
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| No |
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Go to Sheet 3
Replace A2
Figure 3-1 Sheet 2. Troubleshooting Flowchart
30
