User Manual California Instruments
CSW Series 119
6.3.3 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.
Current Limit is programmed to a value
that is lower than the load current
Increase the Programmed Current Limit
value.
6.3.4 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.
6.3.5 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.
6.3.6 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.
6.3.7 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. Program the correct output voltage
Voltage programmed to the wrong output Program the correct output phase
There is an output on at least one output
but not on the other outputs
Check the 3-phase AC line input. If there
is one phase of the AC line input missing
one or more outputs will be missing.
REMOTE SHUTDOWN logic line at J32
pin 7 is shorted to D COM or A COM.
Remove connection from J32 pin 7.
Voltage programmed down or to zero. Program a higher output voltage.
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