IMPULSE•G+/VG+ Series 4 Technical Manual
November 2022
Page 193
BE8
Brake Slipping
Brake Slipping Alarm.
The BE8 alarm indicates
that the VFD has detected excessive encoder
feedback while not running. This occurs if the
encoder frequency exceeds C08-23; Load Float
will be enabled, and the brake will remain closed.
1. Check the brake.
2. Check C08-23 for proper
programming.
X*
X
boL
Tr BOLerr
Braking Transistor Overload Fault.
The braking
transistor reached its overload level.
1. The wrong braking resistor is
installed.
2. Select the correct braking
resistor.
3. Install an external braking
module.
X
X
BUS
Option Com Err
Option Card Communication Error.
Communication to the option card was lost.
1. Check all connections.
X
X
CALL
Option ComCall
Serial Communication Transmission Error.
Control data is not received correctly after power
supply is turned ON for 2 sec.
1. Check serial device
connections.
2. Ensure VFD is properly
programmed for serial
communication.
X
Cant Run
Drive Not Ready
User is trying to give a run command while a
FWD or REV is present at Power Up.
1. Toggle the run command input.
2. Check H01-01 to H01-08
programming.
3. Change B03-10 to allow run at
power up.
X
Can’t SW
Motor Running
Can’t Switch - Motor Running.
The user is
trying to enable or disable the Digital Changeover
MFDI (H01-XX = 1D), while the motor is still
running.
1. Allow the motor to come to a
stop before enabling or
disabling the Digital
Changeover MFDI.
X
CE
Serial Com Err
Communication Error.
Serial communications
disruption. Fault or alarm defined by H05-04.
1. Check serial connections.
2. Check H05-01 through H05-05
for proper programming.
X
X
COF
Current Offset
Current Offset Fault.
The VFD automatically
adjusts the current offset, the calculated value
exceeded the allowable setting range.
1. Press reset.
2. Check brake.
3. Check brake contact.
X
CPF00
CPF01
Control Circuit Error.
There is a self-diagnostic
error in the control circuit, or the connector on the
keypad is damaged.
1. Cycle power to the VFD.
2. If the problem continues,
replace the control board or
the entire VFD. Contact
Magnetek for instructions on
replacing the control board.
3. Replace the keypad if it is
damaged.
X
CPF02
Internal A/D Err
A/D Conversion Error.
An A/D conversion error
or control circuit error occurred. The control circuit
is damaged.
1. Cycle power to the VFD.
2. If the problem continues,
replace the control board or
the entire VFD. Contact
Magnetek for instructions on
replacing the control board.
X
Display
Description
Corrective Action
Fault Alarm
Содержание Impulse G+ series 4
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