AFX SERIES® OPERATION MANUAL
SECTION 13:
Entire Contents Copyright
2018 by Pacific Power Source, Inc. (PPS)
• All Rights Reserved • No reproduction without written authorization from PPS.
AFX Series Power Source Operation Manual
Page 388 of 402
Error Source
Code
Category
Error Message
Possible Cause
Resolution
Inverter Fault
275
Error
DC bus voltage minimum
limit exceeded.
Overload condition.
Internal DC Bus under
voltage protection
Possible energy from load
being pushed back into
inverters.
Inverter Fault
276
Error
DC bus voltage maximum
limit exceeded.
Overload condition.
Internal DC Bus
overvoltage protection
Possible energy from load
being pushed back into
inverters.
Inverter Fault
277
Error
Temperature protection
Over Temperature.
Output inverter stage
heatsink temperature
exceeds maximum limit.
Check load levels or
ambient temperature
Inverter Fault
278
Error
Temperature protection
Over Temperature.
Output inverter stage
heatsink temperature
exceeds minimum limit.
Check load levels or
ambient temperature
Inverter Fault
279
Error
Output relay voltage
protection
Overload condition.
Output relay voltage
minimum limit.
Possible inductive kick
back from Load
Inverter Fault
280
Error
Output relay voltage
protection
Overload condition.
Output relay voltage
maximum limit.
Possible inductive kick
back from Load
Inverter Fault
281
Error
Output terminals
common mode voltage
protection
Overload condition.
Common mode voltage
below minimum limit
Inverter Fault
282
Error
Output terminals
common mode voltage
protection
Overload condition.
Common mode voltage
above maximum limit
Inverter Fault
283
Error
Inductor current RMS
protection
Overload condition.
Output Filter Inductor AC
current levels exceeded
maximum limit for too
long
Reduce frequency,
voltage or load
Inverter Fault
284
Error
Inductor current DC
protection
Overload condition.
Output Filter Inductor DC
current levels exceeded
maximum limit for too
long
Reduce frequency,
voltage or load
Inverter Fault
286
Error
Fan under voltage
protection.
Fan Related Issue. Fan
voltage too low
Contact customer service
Inverter Fault
287
Error
Inductor current cycle-by-
cycle protection trip limit.
Overload condition.
Output frequency
components too high for
output inductor
Reduce frequency,
voltage or load
Inverter Fault
288
Error
Fan current consumption
is abnormal
Fan Related Issue. Fan
may be blocked
Contact customer service
Inverter Fault
289
Error
Hardware revision does
not match expected by
firmware. Firmware must
be reloaded.
Firmware Error. Firmware
revision mismatch
between front panel and
power stages
Check for correct
firmware image file and
version.
Inverter Fault
290
Error
Invalid node ID. Run unit
discovery to recover.
An inconsistency was
detected in the power
source's internal
communication network.
Turn unit off, check
parallel cables if they
exist, and then turn unit
on. If problem recurs
contact customer service.