YASKAWA F7 User Manual page 136

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Digital
Operator Display
EF0
Communication Option Card External
Opt External Flt
Fault
(Flashing)
EF3
Ext Fault S3
(Flashing)
EF4
Ext Fault S4
(Flashing)
EF5
Ext Fault S5 External Fault at Terminal S3 - S8
Detected when terminals S3 - S8 (H1-01 to
(Flashing)
H1-06) are programmed for external fault
function that alarms only and continues to
EF6
run the Drive.
Ext Fault S6
(Flashing)
EF7
Ext Fault S7
(Flashing)
EF8
Ext Fault S8
(Flashing)
SI-T Watchdog Error Detected
A watchdog error was detected when the
E5
Run Command or a frequency reference
SI-T WDT Err
was set from the option board and continu-
<3021>
ous operation was set for the E5 operation
selection.
SI-F/G Communications Error Detected
A communication error is detected when a run
E-15
command or frequency reference is set from
SI-F/G Com Err
the SI-F/G Option Card (b1-01=3, b1-02=3)
and communication is lost.
FAN
Drive's Cooling Fan Fault
Cooling FAN Err
A cooling fan fault was detected.
<3021>
This fault is detected when L8-32 is set to 0.
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Table 6.2 Alarm Displays and Processing
Description
Diagnostics & Troubleshooting 6 - 11
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Cause
An external fault condition was
present.
An external fault condition
exists that was connected to a
multi-function digital input.
Synchronization error between
the master controller and the
Drive for control data.
Communication has been lost to
the SI-F/G option card
connected and b1-01=3 and/or
b1-02=3.
The Drive's cooling fan has
stopped.
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Corrective Action
Check for an external condition.
Verify the parameters.
Verify communication signal.
Eliminate the cause of an external
fault condition.
Check the communication
timing (such as communications
cycle, etc.).
Refer to SI-T manual for details.
Check the communications
signals.
Check the settings of b1-01 and
b1-02.
Check the setting of F6-01.
Check the host side (master)
communication configuration.
Replace the cooling fan.