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IMPULSE•G+Mini Advanced Instruction Manual – March 2014
6-4
Drive Faults, Alarms and Indicators
Motor rotates, but at minimum speed only.
1. Check wiring of speed inputs and verify inputs (U01.10).
2. Verify speed reference setting (A01.04).
3. Verify reference and run source settings are correct (B03.01,
B03.02).
4. Verify reference priority setting (B01.18).
5. Check if motor stalled due to excessive current (U01.03).
Motor RPM too high or too low.
1. Compare motor nameplate specifications with E2 parameters.
2. Check maximum frequency setting (E01.04).
3. Check minimum frequency setting (E01.09).
Symptom
Corrective Action
Fault Code
Fault or Indicator Name/Description
Corrective Action
BB
(flashing)
Base Block
External Base Block Indicator.
The flashing
base block signal is the result of a multi-
function input in the terminal strip. The base
block indicates that the drive’s IGBTs have been
disabled. The motor will begin coasting when
the base block input is received. If a RUN
command is still present when the BB signal is
removed, the output voltage will be restored to
the previous operating level and operation will
continue at the previously commanded
frequency.
1. Check constants H01.01 through H01.07 for
proper programming.
2. Check terminal status. (U01.10)
BE0
(flashing)
Brake Ans Lost
Brake answer back signal is lost during run.
While running, the multi-function input brake
answer back is lost.
1. Check brake answer back circuit.
2. Check terminal status. (U01.10)
BE4
(flashing
)
Brake Answer 1
Brake Answer-Back, Brake not Released.
At
Start, Brake Answer-back is not input within
predetermined time (C08.04) after electric
brake release command is output–Electric brake
not released.
1. Check brake answer back circuit.
2. Increase the value of C08.04.
3. Check terminal status (U01.10).
BE5
(flashing)
Brake Answer 2
Brake Answer-Back At Stop.
At Stop, Brake
Answer-back signal is not removed within
predetermined time (C08.11) after electric brake
release command is removed–Electric brake not
closed.
1. Check brake answer back circuit.
2. Increase the value of C08.11 time.
CALL
(flashing)
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 drive is properly programmed for
serial communication.
CE
Memobus Com Err
MEMOBUS/Modbus Communication
Error.
Serial communications data corrupted.
1. Check serial connections (R+, R-, S+, & S-).
2. Check H05.01 through H05.03 for proper
programming.
CF
Control Fault
Control Fault.
A torque limit was reached for
3 seconds or longer while in open Loop Vector.
1. Perform auto tune.
2. Check motor parameters.
COF
Current Offset Fault.
The drive automatically
adjusts the current offset, the calculated value
exceeded the allowable setting range.
1. Increase the minimum BaseBlock time
(L02.03).
2. Replace the drive.
Summary of Contents for 2001-G+M
Page 2: ......
Page 9: ...C h a p t e r 1 Introduction...
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Page 17: ...C h a p t e r 2 Installation...
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Page 25: ...C h a p t e r 3 Wiring...
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Page 39: ...C h a p t e r 4 Getting Started...
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Page 61: ...C h a p t e r 5 Programming Features...
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Page 153: ...Troubleshooting IMPULSE G Mini C h a p t e r 6...
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