User Manual – Rev BE AMETEK Programmable Power
MX Series 235
7.3.3 Overload Light is On
Unit is overloaded Remove overload or check CL setting
Unit is switched to high voltage range. Select correct voltage range.
7.3.4 Distorted Output
Power source is grossly overloaded. Reduce load
The crest factor of the load exceeds 3:1 on the low range or
5:1 on the high range.
Reduce load current peaks by reducing load.
7.3.5 Unit Shuts Down after 1-2 Seconds
Output shorted Remove output short
Output grossly overloaded. Remove ove rloa d.
PFC IGBT module failure Have power module serviced
Operating load with too high inrush or start up currents. Consult factory for application advice.
7.3.6 No Output and No Lights on Front Panel
Input circuit breaker switched off. Switch the breaker on.
No input power to F1, F2 and F3. Ensure 3 phase power is getting to input fuses.
LV Power Supply failure Have LV s up ply ser viced .
7.3.7 No Output, Front Panel controller is active
“OUTPUT ON” b u t t o n i s t u r n e d o ff . P r e s s OUTP UT ON s o t h a t “ON” LED i s l i t .
REMOTE INHIBIT pins 5 & 6 at TB3 on rear panel are shorted
together.
Check polarity setting or RI Mode. Use
OUTPu t : RI [ : LEVe l ] LOW/ HI GH co mma n d t o s e t RI mo d e t o
high or low.
Current limit programmed down or to zero. Program current limit higher.
Voltage programmed down or to zero. Turn amplitude control up.
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