CHAPTER 4
OPERATING INSTRUCTIONS
Entire Contents Copyright 2004 by Adaptive Power Systems, Inc. (APSI) • All Rights Reserved • No reproduction without written authorization from APSI.
APS-3000P Series 4 - 24 OM-001-03000-00P-03.9
Interpreting Error Messages
Under-Voltage Occurred During Startup. During power up, if the inverter voltage does
not reach the specified level, the VOLTAGE display will show FAIL, an alarm will sound, and
all buttons will be disabled. Turn off the input power to reset the message.
Output Current Exceeded 110%. If the output current exceeds 110% of the set value,
the FREQUENCY display will show OCP (Over Current Protect); an alarm will sound; the
FAIL LED will flash; the PROTECT LED will light; and the VOLTAGE and CURRENT
displays will show the corresponding values at the time of overload.
Output Current Exceeded Hi-A Limit. If the output current exceeds the set current high
limit value, the FREQUENCY display will show HI-A; an alarm will sound; the FAIL LED
will flash; and the VOLTAGE and CURRENT displays will show the corresponding values at
the time of overload.
Output Current Fell Below Lo-A Limit. If the output current is less than the set low-
limit value, the FREQUENCY display will show LO-A; an alarm will sound; the FAIL LED
will flash; and the VOLTAGE and CURRENT displays will show the corresponding values at
that time.
Output Power Exceeded Hi-P Limit. If the output power exceeds the set high-limit value,
the FREQUENCY display will show HI-P; an alarm will sound; the FAIL LED will flash; and
the VOLTAGE and CURRENT displays will show the corresponding values at the time of
overload.
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