Yaskawa 1000 Series Drive Option - Analog Monitor - Manual (Page 23)

YASKAWA ELECTRIC TOBP C730600 40E 1000-Series Option AO-A3 Installation Manual 23
7 Troubleshooting
7 Troubleshooting
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Unit-Side Error Codes
Table 6 lists the various fault codes related to the option. Refer to the unit instruction manual
for further details on fault codes.
Check the following items first when an error code occurs on the unit:
• Are the cables connected properly and securely?
• Is the option is properly installed to the unit?
• Did a momentary power loss occur?
Table 6 Fault Displays, Causes, and Possible Solutions
Digital Operator Display Fault Name
oFA01
Option Fault (CN5-A)
Option is not properly connected.
Cause Possible Solution
Option at unit port CN5-A was changed during
run. Turn the power off and check the connectors between the unit
and option.
Digital Operator Display Fault Name
oFb01
Option Fault (CN5-B)
Option is not properly connected.
Cause Possible Solution
Option at unit port CN5-B was changed during
run. Turn the power off and check the connectors between the unit
and option.
Digital Operator Display Fault Name
oFb02
Option Fault (CN5-B)
Two of the same options are connected simultaneously.
Cause Possible Solution
Same type of option connected to ports
CN5-A and CN5-B.
Use only compatible options.
Digital Operator Display Fault Name
oFC01 Option connection error at unit port CN5-C
Cause Possible Solution
Option at unit port CN5-C was changed during
run. Turn the power off and check the connectors between the unit
and option.