Troubleshooting - YASKAWA 1000 Series Installation Manual

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
Cause
Option at unit port CN5-A was changed during
run.
Digital Operator Display
Cause
Option at unit port CN5-B was changed during
run.
Digital Operator Display
Cause
Same type of option connected to ports
CN5-A and CN5-B.
Digital Operator Display
Cause
Option at unit port CN5-C was changed during
run.
YASKAWA ELECTRIC TOBP C730600 40E 1000-Series Option AO-A3 Installation Manual
Option Fault (CN5-A)
oFA01
Option is not properly connected.
Turn the power off and check the connectors between the unit
and option.
Option Fault (CN5-B)
oFb01
Option is not properly connected.
Turn the power off and check the connectors between the unit
and option.
Option Fault (CN5-B)
oFb02
Two of the same options are connected simultaneously.
Use only compatible options.
oFC01 Option connection error at unit port CN5-C
Turn the power off and check the connectors between the unit
and option.
7 Troubleshooting
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
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