Lenze SMD 0-37kW-22kW Full I/O - Manual (Page 34)

34 Lenze 13466183 EDBSC03 v7
Troubleshooting and fault elimination
Status Cause Remedy
e.g.
50.0
Present output frequency Trouble free operation
OFF Stop
(outputs U, V, W inhibited)
LOW signal at terminal 28 Set terminal 28 to HIGH
1nh Inhibit
(outputs U, V, W inhibited)
Controller is set up for CANopen
operation (see C01)
Start the controller via CANopen
stP Output frequency = 0 Hz
(outputs U, V, W inhibited)
Setpoint = 0 Hz (C31 = 0) Setpoint selection
Quick stop activated through digital
input
Deactivate Quick stop
br DC-injection brake active DC-injection brake activated
• via digital input
• automatically
Deactivate DC-injection brake
• digital input = LOW
• automatically after holding time
c06 has expired
CL Current limit reached Controllable overload Automatically (see C22)
LU Undervoltage on DC bus Mains voltage too low Check mains voltage
dEC Overvoltage on DC bus during
deceleration (warning)
Excessively short deceleration time
(C13)
Automatically if overvoltage
< 1 s,
OU , if overvoltage > 1 s
nEd No access to code Can only be changed when the
controller is in
OFF or 1nh
Set terminal 28 to LOW or inhibit
through CANopen
Error Cause Remedy (1)
cF
Data on EPM not valid
Data not valid for controller
• Use EPM providing valid data
• Load Lenze setting
CF Data error
GF OEM data not valid
F1 EPM error EPM missing or defective Power down and replace EPM
CFG Digital inputs not
uniquely assigned
E1...E3 assigned with the same
digital signals
Each digital signal can only be
used once
Either just “UP” or “DOWN” used Assign the missing digital signal to
a second terminal
dF Dynamic braking fault Dynamic braking resistors are
overheating
Increase deceleration time (C13)
EEr External error Digital input “TRIP set” is active Remove external error
F2...F0,
JF
Internal fault Please contact Lenze
FC3 CAN communication timeout Monitored CAN messages not
received
• Check h48 for cause
• Increase timeout settings
• Check CAN wiring
FC5 CAN initialization failed CAN controller failure • Perform CAN reset (h58)
• Cycle power
LC Automatic start inhibited c42 = 0 LOW-HIGH signal change at
terminal 28
5 Troubleshooting and Fault Elimination
(1) The drive can only be restarted if the error message has been reset; see c70