YASKAWA SI-P3/V Installation Manual page 35

LED Operator Display
oFA30 to oFA43
to
Cause
PROFIBUS-DP Option hardware fault ⇒ Replace the PROFIBUS-DP Option. Contact Yaskawa for assistance
Minor Faults and Alarms
■
LED Operator Display
Cause
The drive output is disabled. "bb" will
be displayed on the operator when the
drive is set for control by PROFIBUS-
DP and:
• a conventional data format is used
and the operation command bit F is
set to 1
• a PPO type data format is used the
the control word (STW) bit 3 is set
to 0
LED Operator Display
Cause
Communication wiring is faulty, there
is a short circuit, or something is not
connected properly
Programming error on the master side
Communication circuitry is damaged
YASKAWA ELECTRIC TOBP C730600 23C 1000-Series Option SI-P3/V, SI-P3/T Installation Manual
PROFIBUS-DP Option Fault (port A)
Communication ID error
Table 13 Alarm Display
Baseblock
bb
Data format and setting contents do not match
Set either of the bits depending on which data format is
used
Serial Communication Transmission Error
CALL
Communication has not yet been established
Check for wiring errors
⇒ Correct the wiring
⇒ Remove and 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
Minor Fault Name
Possible Solution
Minor Fault Name
Possible Solution
8 Troubleshooting
Minor Fault
(H2-
No output
Minor Fault
(H2-
YES
= 10)
= 10)
35