YASKAWA PROFINET 1000 Series Technical Manual page 53

LED Operator Display
Cause
Non-compatible option connected to the drive.
LED Operator Display
Cause
Options AI-A3 or DI-A3 are connected to the
CN5-B port with an option connected to CN5-A.
Minor Faults and Alarms
LED Operator Display
Cause
Communication wiring is faulty, there is a short
circuit, or improper connection
Programming error on the master side
Communication circuitry is damaged.
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.
<1>
Available in SI-EP3/V firmware version VST800251 and later. Refer to
YASKAWA SIEP YEACOM 07A 1000-Series Option PROFINET SI-EP3 Technical Manual
Option fault (CN5-C).
oFc00
Non-compatible option is connected.
Connect the correct option to CN5-A.
Option fault.
oFc02
Option flash write mode.
• 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
Serial communication transmission error.
CALL
Communication is not established.
Check for wiring errors:
• Correct the wiring
• Remove ground shorts and reconnect loose wires
Check communications at start-up and correct programming errors.
• Perform a self-diagnostics check
• Replace the drive if the fault continues to occur
Fault Name
Possible Solution
Fault Name
Possible Solution
Minor Fault Name
Possible Solution
Figure
Table 35
for specifics relating to your drive and drive software version.
10 Troubleshooting
Minor Fault
(H2- = 10)
YES
23.
53