Instruction manual

109
6. MAINTENANCE AND TROUBLESHOOTING
6.1. GENERAL
This section describes the suggested maintenance and troubleshooting procedures. Table 6-1
lists the paragraph titles and page numbers for the Troubleshooting section. If the AC Power
System does not appear to function normally, use this section to isolate the problem. If the
problem cannot be found using these steps, consult the factory.
Table 6-1: Troubleshooting Procedures
PARAGRAPH PROBLEM PAGE
6-2 Poor Voltage Accuracy 109
6-3 Poor Output Voltage Regulation 110
6-4 Module Failure Lamp On 110
6-5 Overtemperature Lamp On 111
6-6 Output Fault Lamp On 111
6-7 Can’t Program AC Power System on GPIB 112
6-8 Distorted Output 112
6-9 No output 112
6.2. POOR VOLTAGE ACCURACY
If the power source exhibits poor programmed voltage accuracy, the following item may be at
fault:
1. The calibration is incorrect.
SOLUTION: Calibrate the output. Refer to Paragraph 4.3.1.