page 51
Industrial Power Corruptor Manual Rev 1.00
Appendix A - Status messages
Armed.
The IPC is armed and ready to perform the next event. Press one of the “Fire” buttons to trigger the event.
Bad snubber fuse
The user has attempted to start and event, but the IPC has detected that one or more of the fuses on the IGBT snubber
board is open. This board is equipped with several spare fuses. Following all safety precautions, replace the fuse.
(These fuses may operate if there are large voltage transients on the AC line, which can be caused by very large
switching inductive loads.)
Brkr is off.
The main circuit breaker, on the rear of the IPC, is off, so the IPC is unable to begin the next event. Turn the breaker on
and try again.
Connected to PC.
The IPC has successfully established communication with a Windows computer running the IPC software package.
Doing event NN.N
The IPC is doing an event – a swell, a sag, an interruption, etc. Numbers are shown for longer events – they show the
approximate number of seconds remaining in the event.
Error(NNNN)01-NN
An internal fault has occurred in the IPC. The first 4 digits show the specific fault, and the last 2 digits show the
processor that caused the fault. Check the board-to-board cables inside the IPC. Cycle the IPC’s power. If the problem
occurs again, contact the factory.
IGBT fault
One of the four main IGBT’s (insulated gate bipolar transistors) has indicated an internal fault. This can be a tempo-
rary fault, typically caused by currents in excess of 800 amps. Adjust the load or source, and try again. If the IGBT
fault is permanent, then the IGBT has been damaged, and the IGBT module must be exchanged. Contact the factory.
Internal fault N
N=2, 3, 4, 5, or 6
The Control Processor is unable to communicate with one of the other internal processors in the IPC. The Panic signal
is asserted. Cycle the IPC’s power. If the problem occurs again, contact the factory.
Invalid phase.
You have attempted to initiate an event, but the phase selection doesn’t make sense. For example, you may have set
the Test Phases to “Delta”, but have the Phase Selector knob set for “L1-N” – there is no neutral in a Delta system, so
the IPC is not sure what you want to do. Check your selection on the Test Phases display against your selection on the
Phase Selector knob.
No motor drive.
The user has pressed the main circuit breaker “On” switch on the front panel, but the motor-operated circuit breaker
option is not installed. Turn the breaker on manually.
Overheated relay
The IPC has terminated an event because one of its bypass relays has reached a programmed temperature limit. This
is usually caused by rapidly repeating several long, very high current events. Allow the relay to cool. You can monitor
its temperature on the front panel meters.
Ready.
The IPC is ready to begin the next event.
Ready. (bad freq)
The IPC is ready to perform an event, but the zero-crossings on the channel selected by the Phase Selector knob show
a frequency that is outside the acceptable range for the IPC. Use the IPC’s frequency meter to diagnose the problem,
and correct it.
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