Allen-Bradley PowerFlex 700H Service Manual

Troubleshooting and Error Codes 1-3
Addressing 700H Hardware
Faults
HiHp Drv OvrLoad 71 Drive Overload - the circuit board on
the Power module has detected an
overload.
Measure output current of the
drive. If the level is ever greater
than the maximum drive rated
output current level reduce the
load. If the levels are always
well below the drive rated
levels, then replace the power
module.
HiHp PwrBd PrcEr 72 Power Board Processor Error - a
microprocessor on the Power Board
has detected a communication error.
1. Check fiber-optic
connections between the
Power Interface Circuit Board
and Voltage Feedback Circuit
Board.
2. Check connections between
the Main Control Board and
the Power Interface Circuit
Board.
3. Replace the Voltage
Feedback Circuit Board
4. Replace the Power Interface
Circuit Board.
5. Replace the Main Control
Board.
HiHp PrChrg Cntc 73 Precharge Contactor Fault - proper
contactor feedback has not occurred.
The precharge contactor has probably
failed to pick up or the feedback signal
has failed. This fault only applies to
DC input drives.
x Check precharge circuit
wiring.
x Check for loose connections
on X50 terminal block and/or
the X9 and X15 connectors
on the ASIC Board.
HiHp PwrEE Error 74 Power EEPROM Error - the rating of
the drive and data in the Power
EEPROM on the Power Board do not
match.
Replace output power module
or program a new power board.
HiHP PwrBd OTemp 75 Power Board Over-Temperature -
temperature of the Power Board on
has exceeded 85q C.
Check the main cooling fan and
fan power supply, replace if
necessary.
Fault No. Description Action (if appropriate)
Name No. Description Action (if appropriate)
Auxiliary In 2 Auxiliary input interlock is open. Check remote wiring.
Power Loss 3 DC bus voltage remained below
[Power Loss Volts] for longer than
[Power Loss Time]. Enable/Disable
with [Fault Config 1]. For more
information refer to publication
20C-PM001, Programming Manual -
PowerFlex 700H.
Monitor the incoming AC line for
low voltage or line power
interruption.
UnderVoltage 4 DC bus voltage fell below the
minimum value of 333V for 400/480V
drives and 461V for 600/ 690V drives.
Enable/Disable with [Fault Config 1].
For more information refer to
publication 20C-PM001,
Programming Manual - PowerFlex
700H.
Monitor the incoming AC line for
low voltage or power
interruption.

Allen-Bradley PowerFlex 700H Specifications

General

Brand	Allen-Bradley
Model	PowerFlex 700H
Category	Controller
Language	English