KEB COMBIVERT F5 Reference Manual page 271

Error/Message Alt. /
(NUM)
Data -
Unspecified
Direction -
Selection (161)
Failure*
Drive Enable -
Switched Off* (162)
Error Calculate ECdd
Motor Data (60)
*Additional information at end of section
Diagnostics and Troubleshooting
Description Cause/Solution/Troubleshoot
When LE12 = Encoder memory has not been formatted. To fix, enter
Data Unspecified, 2503 into Password to access drive parameters. Next,
the encoder from the Program menu, hit F4 for File. Select Inverter
memory is not parameter and then scroll down to user definition
formatted. parameters. Set ud.1 to 2206 for supervisor access. Hit
ESC twice to get back to the inverter parameter menu.
Scroll to encoder parameter and set ec.38 = 2. Power
cycle drive and LE12 should read "Position Transfer."
Both directions For LI15 = Up (I5) and Down (I6) inputs, the up/down
signaled at directions must independently be selected. If both are
beginning of run. selected simultaneously, the 'Direction Selection Failure'
fault will occur, but not during UPS Operation Mode (refer
to LI04 UPS Operation for further details).
Drive Enable (I7) Will occur whenever the Drive Enable (I7) is dropped
input dropped while current is being output. Check input signal
while current connections, sequence, or reason for abrupt stop. (eg.
output. emergency stop, clip door lock, etc.)
The inverter is Verify correct motor data is entered in LM01-07 and re-try.
unable to learn
a value during Make sure motor contactor is closing.
the Motor Learn
procedure, Make sure motor is wired correctly.
SPI, or during
automatic learn Change LM27 to 1, Ld = Lq and test again.
of the encoder
position during If the problem occurs during an SPI, the following
each run. procedure can be done instead...
Verify LM27 Motor Inductance Mode is set to Ld = Lq.
Set LE07 Rotor Detection Mode to NOP.
Prevent brake from releasing, set inspection speed = 0.
Give inspection command to allow sample to be taken.
Check the value in LE06 Encoder Pole Position.
Repeat several times to ensure consistency in LE06.
Samples should not vary by more than 2,000 counts.
Set LE07 to OFF and proceed as normal.
271