KEB COMBIVERT F5 Reference Manual page 274

Diagnostics and Troubleshooting
Error/Message Alt. /
(NUM)
Error Encoder EHyb
Card (52)
Error Encoder EHybC
Card Changed (59)
Error Encoder EENCC
Interface (35)
Error External EEF
Fault (31)
Error HSP5 EBus
Serial Com. (18)
(EBus)
274
*Additional information at end of section
Description Cause/Solution/Troubleshoot
Invalid encoder Check for correct encoder connections/pinout. Incorrect
interface identifier pinout may drag the encoder board power supply down.
Check encoder card connection to control board for bent
or missing pins and proper connection.
Otherwise, the board may be defective and should be
replaced.
Indicates the This error should automatically clear itself. If not, re-
encoder interface Enter the read-only setting in parameter LE01.
card has been
changed.
Loss of encoder This error should be accompanied with further
channel or information describing the nature of the fault. Refer to
communication LE12 Serial Encoder 1 Status for further details.
between encoder
and drive for an
absolute encoder.
A digital input can The digital input for an External Fault may come from the
be programmed controller or may be jumpered from an inverter or regen
to trigger an error. digital output. The cause of the error will be variable.
Identify the source of the External Fault input and the
conditions which would trigger this input.
This message Verify keypad operator is seated properly to the
indicates inverter.
that serial
communication
between the
keypad operator
and the drive or
the drive and the
elevator control
has been lost
(See parameter Verify serial comm. between controller and drive.
LX09 Ser.Com
Watchdog Time to Verify connection of keypad operator and inverter control
bypass this fault). card.
Verify connection of the serial comm. to the keypad
operator at port X6C.
Verify there are no bent or missing pins where the
serial comm. cable from the controller plugs into the
keypad operator.
Verify there are no bent or missing pins where the
keypad operator connects to the control card.