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Troubleshooting
145
Name
Description
Possible Causes & Corrective Action
Overcurr Flt
The phase current exceeded 250% of
rated current.
Motor Problem
➲
Possible motor lead short
➲
Check for motor failure
Excessive Load
➲
Verify motor and drive sizing. May need a
larger capacity HPV 600
Accurate Motor Parameters
➲
Verify motor nameplate values are entered
correctly
➲
Complete Adaptive Tune and Inertia
procedure
.
➲
As a last step, calculate motor parameters
from motor’s equivalent circuit.
Hardware Problem
➲
The drive may need to be replaced.
Overspeed Flt
[closed-loop]
Generated when the motor has gone
beyond the user defined percentage
contract speed for a specified amount
of time.
Check Parameter Settings
➲
Check OVERSPEED LEVEL (A1) parameter
for the correct level.
➲
Check OVERSPEED TIME (A1) parameter
for the correct time.
Note: This fault is defined by Overspeed Level
parameter and Overspeed Time parameter.
Ovrtemp Alarm
(alarm)
The heatsink on the drive has
exceeded 80
°
C (176
°
F).
(only A-cubes)
Excessive Heat
➲
Reduce Ambient Temperature
➲
Clean heat sink
➲
Check for cooling fan failure
Overtemp Flt
The heatsink on the drive has
exceeded 90
°
C (194
°
F).
(only A-cubes)
Excessive Heat
➲
Reduce Ambient Temperature
➲
Clean heat sink
➲
Check for cooling fan failure
Overvolt Flt
The DC bus voltage of the drive
exceeded:
•
850 Volts
for a 460/400V class drives
•
425 Volts
for a 230V class drives.
Too High of Braking Resistor Value
➲
Check for no braking resistor
➲
Possible Brake IGBT Failure
➲
Possible brake resistor is open
Dynamic Braking Wiring Problem
➲
check dynamic brake hardware wiring
High Input Voltage
➲
Decrease input AC voltage with the proper
range
➲
Use reactor to minimize voltage spikes
Drive Accurately Reading the Dc Bus
➲
Measure the dc bus with a meter
➲
Compare that with the value on the digital
operator, DC BUS VOLTAGE (D2)
Hardware Problem
➲
Replace Drive Control board
PCU data Flt
PCU parameters checksum is invalid.
Parameters Corrupted
➲
Check parameters and power cycle
➲
If re-occurs, replace Drive Control board
Phase Flt
The drive senses an open motor
phase. The drive senses more than
one motor phase crossing zero at the
same time.
Motor Problem
➲
Check motor wiring
➲
Check for motor failure
➲
Check for bad contactor or contactor timing
issue.
Содержание HPV 600
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