NORD Drivesystems BU0090 - Manual (Page 67)

7 Faults
BU 0090 GB 67
7.3 Causes of errors
The following table lists possible causes of errors / error statuses and the procedure for rectifying them:
Error / Status Possible cause Course of action
Parameters specific to the
AS interface are not
displayed on the display of
the FI or in NORDCON The necessary software version of
the FI is not installed.
SK 700E ≥ Version 3.1 Rev.1
SK 750E ≥ Version 3.1 Rev.1
SK 300E ≥ Version 1.6 Rev.3
SK 5xxE ≥ Version 1.3 Rev.1
¾ Check which software version is installed
using parameter P707
¾ An update of the FI software version may be
necessary
¾ For older devices or software versions the FI
must be replaced
Communication to AS
interface module interrupted Timeout error
Bus cable faulty
Slave address incorrect
No power supply
¾ Check LED status display (See Section 4.3)
¾ Check slave address
¾ Check bus connection and cable
¾ Check parameter P509, interface
¾ Check parameter P746, module status
PWR/FLT LED
and/or
DEVICE S/E LED
are off No 24V supply
As interface power unit faulty or off
Cable connection interrupted
¾ Check LED status display (See Section 4.3)
¾ Check AS interface power unit
¾ Check cable connection
Signal statuses of sensors
and actuators are not
recognised Cable connection interrupted
Incorrect connection
Faulty sensor/actuator
¾ Check sensor or actuator connection
¾ Check whether signal status is indicated in
IO LED display (only SK TU1-AS1 and SK
TU3-AS1) (see Section 2.1.2 or 2.2.2)
¾ Check parameter P740 process data Bus
In Bus
¾ Check parameter setting (Bus Out Bits 0…7)
of the actual Bus values (P543 to 545)
¾ Check parameter setting (Bus In Bits 0…7)
of the Bus setpoint values (P546 to 548)
¾ Check 24V (AUX) power supply
AS interface slave not
recognised by AS interface
master Slave address incorrect
or address 0 (default setting)
Double addressing of slaves
Bus cable / connection interrupted
¾ Check slave address, address ≥1 and ≤ 31
¾ Slave addressing
¾ Re-address
¾ Check bus connection and cable
PWR/FLT LED
alternate red/green Peripheral error ¾ Check power supply to FI
¾ Check 24V (AUX) power supply