AMETEK Lx Series II User Manual
Page 122
User Manual
Lx / Ls Series II
118
7.3.3 Overload Light is On
CAUSE
SOLUTION
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
CAUSE
SOLUTION
Power source is grossly overloaded.
Reduce load
The crest factor of the load exceeds 3:1.
Reduce load current peaks by reducing
load.
7.3.5 Unit Shuts Down after 1-2 Seconds
CAUSE
SOLUTION
Output shorted
Remove output short
Output grossly overloaded.
Remove overload.
-400 Input 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
CAUSE
SOLUTION
Input circuit breaker switched off.
Switch the breaker on.
No input power.
Ensure 3 phase power is present at AC
input terminal block
-400 Input Power Supply failure
Have -400 input supply serviced.
7.3.7 No Output But Front Panel controller is active
CAUSE
SOLUTION
“OUTPUT ON” button is turned off.
Press OUTPUT ON so that “ON” LED is
lit.
Current limit programmed down or to zero.
Program current limit higher.
Voltage programmed down or to zero.
Turn amplitude control up.