Service; Cleaning; General; Basic Operation - Ametek California Instruments MX15 Series User Manual

7 Service

7.1 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.

7.2 General

This section describes the 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 LED indicators and a simple multimeter to troubleshoot the unit down to the module level.
Only a qualified electronic technician should attempt this level troubleshooting.

7.3 Basic operation

PARAGRAPH
7.3.1
7.3.2
7.3.3
7.3.4
7.3.5
7.3.6
7.3.7
7.3.1 Excessive Output Voltage
External sense not connected (If used)
7.3.2 Poor Output Voltage Regulation
Unit is overloaded
Unit is programmed to wrong voltage range.
Input line has fallen below spec limit.
Excessive Output V oltage
Poor Output V oltage Regulation
Overload Light On
Distorted Output
Unit Shuts Down A fter 1-2 Seconds
No Output and no lights on front panel
No output, but front panel controller is active.

Table 7-1: Basic Symptoms

CAUSE
CAUSE
PROBLEM
SOLUTION
Connect external sense wires from TB2 on rear panel to
the A C power outlet TB1
SOLUTION
Remove overload
Select correct voltage range.
Check input supply voltage.
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