Magnetek Impulse G+ series 4, Technical Manual

Page: 196 / 248

IMPULSE•G+/VG+ Series 4 Technical Manual
November 2022
Page 196
EF2
External Fault 2
External fault occurs on Terminal S2.
Alarm or fault defined by the External Fault
Selection table (
Table 5-80 on page 152
).
1. Check H01-02 for proper
programming.
2. Check the conditions for input
terminal S2.
X X
EF3
External Fault 3
External fault occurs on Terminal S3.
Alarm or fault defined by the External Fault
Selection table (
Table 5-80 on page 152
).
1. Check H01-03 for proper
programming.
2. Check the conditions for input
terminal S3.
X X
EF4
External Fault 4
External fault occurs on Terminal S4.
Alarm or fault defined by the External Fault
Selection table (
Table 5-80 on page 152
).
1. Check H01-04 for proper
programming.
2. Check the conditions for input
terminal S4.
X X
EF5
External Fault 5
External fault occurs on Terminal S5.
Alarm or fault defined by the External Fault
Selection table (
Table 5-80 on page 152
).
1. Check H01-05 for proper
programming.
2. Check the conditions for input
terminal S5.
X X
EF6
External Fault 6
External fault occurs on Terminal S6.
Alarm or fault defined by the External Fault
Selection table (
Table 5-80 on page 152
).
1. Check H01-06 for proper
programming.
2. Check the conditions for input
terminal S6.
X X
EF7
External Fault 7
External fault occurs on Terminal S7.
Alarm or fault defined by the External Fault
Selection table (
Table 5-80 on page 152
).
1. Check H01-07 for proper
programming.
2. Check the conditions for input
terminal S7.
X X
EF8
External Fault 8
External fault occurs on Terminal S8.
Alarm or fault defined by the External Fault
Selection table (
Table 5-80 on page 152
).
1. Check H01-08 for proper
programming.
2. Check the conditions for input
terminal S8.
X X
ERR
EEPROM R/W Err
EEPROM Read/Write Fault. EEPROM internal
data did not match when initializing the
parameter.
1. Cycle Power.
2. User initialize (A01-05=1110).
3. Replace Control board. X
FAn
Cooling FAN Err
Internal Fan Fault. Internal cooling fan has
malfunctioned.
Alarm or fault defined by L08-32.
1. Cycle power to the VFD.
2. Check for fan operation.
3. Verify the fan elapsed time with
U04-03 and verify the fan
maintenance timer with U04-04.
4. Replace fan.
X X
GF
Ground Fault
During operation, the VFD sums the currents of
all three motor phases. Ideally, the sum should
always equal zero. If the sum is greater than 50%
of the VFD rated output current, a GF occurs. 1. Disconnect motor from VFD
and check it for shorts using a
megger.
2. Ensure that R/C Surge
Suppressors are used across
all brake contactor coils to
prevent disturbance by
electrical transients.
X
Display Description Corrective Action Fault Alarm