Argantix KDC 100-100, User Manual

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User Manual
92 KDC Series II DC Power Supplies
8.2.3 Unit Shuts Down After 3-5 Seconds
Table 8-4: Unit Shuts Down After 3-5 Seconds
CAUSE SOLUTION
Output shorted. Remove output short.
Output grossly overloaded. Remove overload.
Operating load with too high inrush or start
up currents. Consult factory for application advice.
8.2.4 No Output and No Lights on Front Panel
Table 8-5: No Output and No Lights on Front Panel
CAUSE SOLUTION
Front panel power switched off. Switch the breaker on.
No input power to the input connector. Ensure correct input power.
Blown fuse. Check fuses on the DC bias power supply
and replace with same type and rating.
See Figure 7-2.
8.2.5
No Output but “Display” on Front Panel is On
Table 8-6: No Output But "Display" Is On
CAUSE SOLUTION
“OUTPUT ON” switch is turned off. Turn OUTPUT ON switch to “ON”.
Current limit programmed down or to zero. Program current limit higher.
Voltage programmed down or to zero. Turn amplitude control up.
Voltage sense connection is reversed Check polarity of external sense
connections.
8.2.6 Error Message
Error messages may appear on the LCD display. Some of these errors may be hardware related.
It is usually associated with an over power, sense connection or over temperature condition. A
more specific error may be indicated as well, e.g. Temp / Sense Fault (3).
CAUSE SOLUTION
Error 3: Ambient temperature is too high. Operate power supply between 0 and
50 C.
Error 3: Fans or ventilation holes are
blocked. Remove obstructions.
Error 3: Fans not working. Check DC bias supply (A7) and connection
cable harness for DC fans. If +24 VDC is
present at
fan terminals and fans don‟t'
turn, replace fans.
Error 3: Sense Fault Check for reversed polarity sense or
shorted sense connections. If the sense