Ametek 2003RP - Service and Troubleshooting Guide; General Service Information; Cleaning Instructions; Basic Operation Notes

7 Service
7.1 General
This section describes suggested maintenance and troubleshooting procedures. The
troubleshooting procedure is divided into two sections. The first section deals with basic
operation and connection of the equipment. The second section requires opening the unit
and using the LED indicators and a simple multimeter to troubleshoot the unit down to the
module level. Only a qualified electronic technician should attempt this level of
troubleshooting.
7.2 Cleaning
The exterior of the power source may be cleaned with a cloth dampened with a mild
detergent and wrung out. Disconnect mains power to the source before cleaning. Do not
spray water or other cleaning agents directly on the power source.
7.3 Basic Operation
Table 7-1: Basic Symptoms
PARAGRAPH
PROBLEM
7.3.1
Poor Output Voltage Accuracy
7.3.2
Poor Output Voltage Regulation
7.3.3
Distorted Output
7.3.4
Unit Shuts Down After 3-5 Seconds
7.3.5
No Output and no lights on front panel
7.3.6
No output but “Display” on front panel is on
7.3.7
Fault Lamp on
7.3.8
Can‟t program AC Power System on GPIB/RS232
7.3.1 Poor Output Voltage Accuracy
If the power source exhibits poor programmed voltage accuracy, the following item may be at
fault:
Table 7-2: Poor Output Voltage Accuracy
CAUSE
SOLUTION
The calibration is incorrect.
Calibrate the output.