Ametek i Series User Manual download pdf (Page 139)

User Manual

i Series / iX Series 125

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 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 troubleshooting.

7.3 Basic operation

Table 7-1: Basic Symptoms

PARAGRAPH

PROBLEM

7.3.1

Excessive Output Voltage

7.3.2

Poor Output Voltage Regulation

7.3.3

Overload Light On

7.3.4

Distorted Output

7.3.5

Unit Shuts Down After 1-2 Seconds

7.3.6

No Output and no lights on front panel

7.3.7

No output but “power on” LED on front panel is lit.

7.3.1 Excessive Output Voltage

CAUSE

SOLUTION

External sense not connected

Connect the external sense to the AC

power outlet TB2.

7.3.2 Poor Output Voltage Regulation

CAUSE

SOLUTION

Unit is overloaded

Remove overload

Unit is programmed to wrong voltage

range.

Select correct voltage range.

Input line has fallen below spec. limit.

Check supply voltage.

7.3.3 Overload Light is On

CAUSE

SOLUTION

Unit is overloaded

Remove overload

Unit is switched to high voltage range.

Select correct voltage range.

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Ametek i Series User Manual Page 139

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