This Chapter provides information about maintenance, calibration and troubleshooting.
Units requiring repair during the warranty period should be returned to a TDK
authorized service facility. Refer to the addresses listing on the back cover of this User’s Manual. U
than the authorized service facilities may void the warranty.
No routine maintenance of the power supply is required except for periodic cleaning. To clean,
disconnect the unit from the AC supply and allow 30sec. For discharging i
nternal voltages. The front
panel and the metal surfaces should be cleaned using a mild solution of detergent and water. The
solution should be applied onto a soft cloth, and not directly to the surface of the unit. Do not use
aromatic hydocarbons or chlor
inated solvents for cleaning. Use low pressure compressed air to blow
9.4 ADJUSTMENTS AND CALIBRATION
No internal adjustment or calibration is required. There is NO REASON to open the power supply
9.5 PARTS REPLACEMENT AND REPAIR
As repairs are made only by the manufacturer or by authorized service facilities, no parts replac
information is provided in the manual. In case of failure, unusual or erratic operation of the unit, co
Lambda Americas Inc. sales or servic
e facility nearest you. Please refer to the TDK
Lambda Americas Inc. sales offices addresses lis
ing on the back cover of this User’s Manual.
If the power supply appears to be operating improperly, use the Troubleshooting Guide (Table 9
termine whether the power supply, load or external control circuit are the cause.
Configure the power supply for basic front panel operation and perform the tests of Section 3.8 to d
termine if the problem is with the supply.
e basic checks that can be performed to diagnose problems, with references to
Sections of this User’s Manual for further information.
Check continuity, replace if
No output. All displays and
Output is present momentarily
but shuts Off quickly. The
Output is present momentarily
but shuts off quickly.The
negative load wire is loose.