8 troubleshooting, Minor faults and alarms – Yaskawa PG-X2G5 User Manual
Page 35
 
8 Troubleshooting
YASKAWA ELECTRIC TOBP C730600 23C 1000-Series Option SI-P3/V, SI-P3/T Installation Manual
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Minor Faults and Alarms
Table 13 Alarm Display
LED Operator Display
Fault Name
to
oFA30 to oFA43
PROFIBUS-DP Option Fault (port A)
Communication ID error
Cause
Possible Solution
PROFIBUS-DP Option hardware fault
⇒ Replace the PROFIBUS-DP Option. Contact Yaskawa for assistance
LED Operator Display
Minor Fault Name
bb
Baseblock
Data format and setting contents do not match
Cause
Possible Solution
Minor Fault
(H2- = 10)
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
Set either of the bits depending on which data format is 
used
No output
LED Operator Display
Minor Fault Name
CALL
Serial Communication Transmission Error
Communication has not yet been established
Cause
Possible Solution
Minor Fault
(H2- = 10)
Communication wiring is faulty, there 
is a short circuit, or something is not 
connected properly
Check for wiring errors
⇒ Correct the wiring
⇒ Remove and 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