Yaskawa PROFINET User Manual
Page 53
10 Troubleshooting
YASKAWA SIEP YEACOM 07A 1000-Series Option PROFINET SI-EP3 Technical Manual
53
Minor Faults and Alarms
bUS Error Auto-Reset
bUS Error Auto-Reset Function Description
bUS Error Auto-Reset when configured, allows the drive to automatically recover from a bUS error as a result of a
communication loss with the host.
A bUS Error will automatically reset under the following conditions.
• Network communication between the host and the drive is restored. (bUS error removed)
• bUS Error Auto-Reset is enabled as described in this section.
Enabling bUS Error Auto-Reset
Parameter F6-14
<1>
bUS Error Auto Reset enables the bUS Error Auto-Reset function.
F6-14 becomes available when the option is installed on the drive.
1. Set parameter F6-14 = 1:Enabled
2. Set parameter F6-01 = 0:Ramp to Stop, 1:Coast to Stop, 2:Fast-Stop
3. Set parameter F7-16 = 0.1 to 10.0 seconds (optional)
Enabling bUS Error Auto-Restart (After a Time Delay)
Parameter F7-16 Communication Loss Timeout will delay the occurrence of a bUS error condition by the amount of
time set in this parameter. F7-16 is set in tenths of seconds. The status LEDs on the option will indicate the bUS error
condition immediately upon detection and during the F7-16 delay time. Refer to
• Set parameter F7-16 = 0.1 to 10.0 seconds (0.0 setting disables F7-16) to enable timeout delay.
LED Operator Display
Fault Name
oFc00
Option fault (CN5-C).
Non-compatible option is connected.
Cause
Possible Solution
Non-compatible option connected to the drive.
Connect the correct option to CN5-A.
LED Operator Display
Fault Name
oFc02
Option fault.
Option flash write mode.
Cause
Possible Solution
Options AI-A3 or DI-A3 are connected to the
CN5-B port with an option connected to CN5-A.
• Only one type of AI-A3 or DI-A3 option can be connected to the drive
• The SI-EP3 option can only be connected to CN5-A
LED Operator Display
Minor Fault Name
CALL
Serial communication transmission error.
Communication is not established.
Cause
Possible Solution
Minor Fault
(H2- = 10)
Communication wiring is faulty, there is a short
circuit, or improper connection
Check for wiring errors:
• Correct the wiring
• Remove ground shorts and reconnect loose wires
YES
Programming error on the master side
Check communications at start-up and correct programming errors.
Communication circuitry is damaged.
• Perform a self-diagnostics check
• Replace the drive if the fault continues to occur
<1>
Available in SI-EP3 firmware version VST800251 and later. Refer to
for specifics relating to your drive and drive software version.