TDK-Lambda DRF120 Série Mode D'emploi page 21

PA618-04-01B
Note A: Model name, input voltage range, nominal input
voltage, maximum output current, country of manufacture,
ATEX/IEC, additional approval markings and CE mark are
shown in accordance with the product specification.
Certification No.: (example for reference only)
SIQ14ATEX 035 X
IEC Ex SIQ14.0000X
15. Before concluding that the unit is at fault...
Before concluding that the unit is at fault, make the
following checks.
Check if the rated input voltage is connected.
Check if the wiring of input and output is correct.
Check if the wire material is not too thin.
Check if the output voltage control ( V.ADJ ) is properly
adjusted.
Check if the output current and output wattage do not over
specification.
Audible noise can be heard during Dynamic-Load operation.
Audible noise can be heard when input voltage waveform is
not sinusoidal wave.
Audible noise can be heard during no/light load where the
unit is in bursts mode condition.
Momentary light emission can be observed from the Peak
LED (RED) during PSU ON/OFF.
16. Returns
Please contact your local sales office or visit our website to
arrange return of any faulty product.
TDK-Lambda
DRF120 Series
INSTRUCTION MANUAL