User Manual – Rev BE AMETEK Programmable Power
MX Series 234
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
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 front panel controller is active.
Table 7-1: Basic Symptoms
7.3.1 Excessive Output Voltage
External sense not connected (If used)
Connect external sense wires from TB2 on rear panel to the AC
power outlet TB1A and TB1B
7.3.2 Poor Output Voltage Regulation
Unit is overloaded Remove ove rloa d
Unit is programmed to wrong voltage range. Select correct voltage range.
Input line has fallen below spec. limit. Check input supply voltage.
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