Epson RC90 User Manual page 207

No.
DU1 Internal temperature of the Controller is
9024
higher than the allowed temperature.
DU1 Rotating speed of the controller fan is
9025
below the allowed speed. (FAN1)
DU1 Rotating speed of the controller fan is
9026
below the allowed speed. (FAN2)
DU2 3.3V input voltage for the board is
9031
lower than the minimum allowed voltage.
DU2 5V input voltage for the board is lower
9032
than the minimum allowed voltage.
DU2 24 V input voltage for the motor brake,
9033 encoder and fan is lower than the specified
voltage.
DU2 Internal temperature of the Controller is
9034
higher than the allowed temperature.
DU2 Rotating speed of the controller fan is
9035
below the allowed speed. (FAN1)
DU2 Rotating speed of the controller fan is
9036
below the allowed speed. (FAN2)
DU3 3.3V input voltage for the board is
9041
lower than the minimum allowed voltage.
DU3 5V input voltage for the board is lower
9042
than the minimum allowed voltage.
DU3 24 V input voltage for the motor brake,
9043 encoder and fan is lower than the specified
voltage.
DU3 Internal temperature of the Controller is
9044
higher than the allowed temperature.
DU3 Rotating speed of the controller fan is
9045
below the allowed speed. (FAN1)
DU3 Rotating speed of the controller fan is
9046
below the allowed speed. (FAN2)
Initialization failure.
9100
Failed to allocate memory.
9101 Message queue has become full.
Initialization failure.
9102
Failed to initialize Modbus.
Initialization failure.
9103
Failed to initialize the user output.
User outout error
9104
Unexecutable command is specified
RC90 (EPSON RC+ 7.0) Rev.4
Message
Maintenance 9. Troubleshooting
Remedy
Stop the Drive Unit 1 as soon as possible and
check whether the ambient temperature of the
controller is not high.
Check whether the filter is not clogged up.
Check whether the filter of the Drive Unit 1 is
not clogged up. Replace the fan.
Check whether the filter of the Drive Unit 1 is
not clogged up. Replace the fan.
If normal voltage is not generated by 3.3V of
Drive Unit 2 power supply alone, replace the
power supply.
If normal voltage is not generated by 5V of
Drive Unit 2 power supply alone, replace the
power supply.
If normal voltage is not generated by 24V of
Drive Unit 2 power supply alone, replace the
power supply.
Stop the Drive Unit 2 as soon as possible and
check whether the ambient temperature of the
controller is not high.
Check whether the filter is not clogged up.
Check whether the filter of the Drive Unit 2 is
not clogged up. Replace the fan.
Check whether the filter of the Drive Unit 2 is
not clogged up. Replace the fan.
If normal voltage is not generated by 3.3V of
Drive Unit 3 power supply alone, replace the
power supply.
If normal voltage is not generated by 5V of
Drive Unit 3 power supply alone, replace the
power supply.
If normal voltage is not generated by 24V of
Drive Unit 3 power supply alone, replace the
power supply.
Stop the Drive Unit 3 as soon as possible and
check whether the ambient temperature of the
controller is not high.
Check whether the filter is not clogged up.
Check whether the filter of the Drive Unit 3 is
not clogged up. Replace the fan.
Check whether the filter of the Drive Unit 3 is
not clogged up. Replace the fan.
Reboot the controller.
(When RTU is selected)
Check whether the selected port is installed.
(When TCP is selected)
Check whether the selected port number is
used by other
If the manipulator is specified, check whether
the specified manipulator is registered.
Check the condition expression.
Note 1 Note 2
191