Chapter 6 Troubleshooting
186
In the panel window, the error numbers follow E in the display.
Error No. Error name Description, action, etc.
D6F Optional password error The optional function specified for use requires an optional
password. Check other parameter Nos. 30 to 32, etc.,
depending on the function to be used.
D70 Option use permission error Check, among others, if an option is specified with a
system program that does not permit use of options.
D75 Fieldbus parameter error There is an error in the fieldbus parameter. Check in IO
Parameter No 226 to 227, 237 to 238 and 132 to 135.
Followings can be considered as a cause:
• A node address out of the specified range was
identified.
• A baud rate out of the specified range was identified.
• Self IP address was set in the system reservation.etc.
D76 Fieldbus module unmounted error Fieldbus module is not mounted.
D77 Fieldbus error (exception) Exception error was detected.
Refer to the instruction manual of the field network board,
and check the LED status for the fieldbus monitoring.
D78 Encoder initialization error [Detail & Cause]
Encoder initialization has not been completed in the
normal condition.
[Countermeasure]
In case the error occurs even after power reboot, contact
IAI.
D80 SCARA unsupported function
error
An attempt was made to use a function not supported by
SCARA.
D81 Parameter error during calculation
of valid target data
An invalid parameter value was detected during
calculation of valid target data.
Check axis-specific parameter Nos. 7, 8, 138, etc.
D82 Simple interference check zone
output-number specification error
A value other than an output port/global flag number (0 is
allowed) may have been input, or the specified number
may be already used as a system output number via the
I/O parameter for output function selection.
D83 Simple interference check zone
number error
The simple interference check zone number is invalid.
D88 Encoder information abnormality
error
[Detail & Cause]
There is an error in the information acquired from the
encoder.
1) The value set in the encoder classification bit number in
Driver Card Parameter No. 25 is different from the
actual connected encoder.
[Countermeasure]
1) Check the value set in the encoder classification bit
number in Driver Card Parameter No. 25.
D89 Pulse calculation error for one
turn of motor output axis
[Detail & Cause]
It is an error during calculation of number of pulse for one
turn of the output axis when the absolute encoder is used
in Rotation Axis Mode with Shortcut Control selected. The
shortcut control cannot be conducted when there is a
fraction in the result of the calculation.
[Countermeasure]
Check in Each Axis Parameter No. 42, No. 50 or No. 51.
Cold-start level errors
D8A Optimal acceleration/deceleration,
Horizontal move optimization
function based on Z position
internal parameter error
The value set in the internal parameter for optimal
acceleration/deceleration function or Horizontal move
optimization function based on Z position for SCARA is
abnormal. The optimal acceleration/deceleration function
or Horizontal move optimization function based on Z
position for SCARA cannot be used.
* It is an error only for SCARA
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