19
– 5
No.
Error name
Meaning/Cause
Remedy
State
EP80
TP communication error
Communication cannot
be established using
the teach pendant or
RS-232C cable.
Check if the connector is connected
securely, there is a bad contact, or
the cable has a broken wire.
*The error cannot be cleared by
CLEAR or a reset. The power must
be turned off and on again.
F-R-1
ER90
ID error
The contents of the
backup memory were
corrupted by noise,
fluctuations in the
supply voltage, or other
cause.
Clear the error. All the programs and
parameters are initialized, and so
re-enter the programs and
parameters.
F-R-1
ER91
Sequential program
memory error
The contents of the
sequential program
were corrupted by
noise, fluctuations in
the supply voltage, or
other cause.
The error step number is displayed
on the screen, and so check the
program.
If errors occurred in multiple
locations, another error step number
is displayed when an error is
cleared.
F-R-1
ER92
Palletizing program
memory error
The contents of the
palletizing program
were corrupted by
noise, fluctuations in
the supply voltage, or
other cause.
The program number and screen
number where the error occurred
are displayed on the screen.
(Program number
– Screen number)
If errors occurred in multiple
locations, the program number and
screen number for another error are
displayed when an error is cleared.
F-R-1
ER93
Parameter
memory error
The contents of the
parameters were
corrupted by noise,
fluctuations in the
supply voltage, or other
cause.
Check the parameters.
F-R-1
ER94
Coordinate table
memory error
The contents of the
coordinate table were
corrupted by noise,
fluctuations in the
supply voltage, or other
cause.
The error table number is displayed
on the screen, and so check the
coordinate table.
If errors occurred in multiple
locations, another error table
number is displayed when an error
is cleared.
F-R-1
ER95
Speed table
memory error
The contents of the
speed table were
corrupted by noise,
fluctuations in the
supply voltage, or other
cause.
The error table number is displayed
on the screen, and so check the
speed table.
If errors occurred in multiple
locations, another error table
number is displayed when an error
is cleared.
F-R-1
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