4-4
Troubleshooting
PowerFlex 40 Adjustable Frequency AC Drive FRN 1.xx - 7.xx User Manual
Publication 22B-UM001I-EN-E
(1)
for a description of fault types.
No.
Fault
Ty
p
e
(1
)
Description
Action
F33
Auto Rstrt Tries
➁
Drive unsuccessfully attempted
to reset a fault and resume
running for the programmed
number of
[Auto Rstrt
Tries].
Correct the cause of the fault and
manually clear.
F38
Phase U to Gnd
➁
A phase to ground fault has been
detected between the drive and
motor in this phase.
1. Check the wiring between the
drive and motor.
2. Check motor for grounded
phase.
3. Replace drive if fault cannot be
cleared.
F39
Phase V to Gnd
F40
Phase W to Gnd
F41
Phase UV Short
➁
Excessive current has been
detected between these two
output terminals.
1. Check the motor and drive output
terminal wiring for a shorted
condition.
2. Replace drive if fault cannot be
cleared.
F42
Phase UW Short
F43
Phase VW Short
F48
Params
Defaulted
The drive was commanded to
write default values to EEPROM.
1. Clear the fault or cycle power to
the drive.
2. Program the drive parameters as
needed.
F63
SW OverCurrent
➀
Programmed
[SW Current
Trip] has been exceeded.
Check load requirements and
[SW Current Trip] setting.
F64
Drive Overload
➁
Drive rating of 150% for 1 minute
or 200% for 3 seconds has been
exceeded.
Reduce load or extend Accel Time.
F70
Power Unit
➁
Failure has been detected in the
drive power section.
1. Cycle power.
2. Replace drive if fault cannot be
cleared.
F71
Net Loss
The communication network has
faulted.
1. Cycle power.
2. Check communications cabling.
3. Check network adapter setting.
4. Check external network status.
F80
SVC Autotune
The autotune function was either
cancelled by the user or failed.
Restart procedure.
F81
Comm Loss
➁
RS485 (DSI) port stopped
communicating.
1. If adapter was not intentionally
disconnected, check wiring to the
port. Replace wiring, port
expander, adapters or complete
drive as required.
2. Check connection.
3. An adapter was intentionally
disconnected.
4. Turn off using
[Comm Loss
Action].
22B-UM001.book Page 4 Tuesday, May 30, 2017 5:22 PM
Содержание Allen Bradley 22B-A012x104
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