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Epson RC700 Manual Page 301

Robot controller.
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No.
Message
Speed of the controller fan is
9016
below the specified speed.
(FAN2)
Internal temperature of the
9017
Controller is higher than the
specified temperature.
DU1 3.3V input voltage for the
9021
board is lower than the
minimum allowed voltage.
DU1 5V input voltage for the
9022
board is lower than the
minimum allowed voltage.
DU1 24 V input voltage for the
motor brake, encoder and fan
9023
is lower than the specified
voltage.
DU1 Internal temperature of
9024
the Controller is higher than
the allowed temperature.
DU1 Rotating speed of the
9025
controller fan is below the
allowed speed. (FAN1)
DU1 Rotating speed of the
9026
controller fan is below the
allowed speed. (FAN2)
DU2 3.3V input voltage for the
9031
board is lower than the
minimum allowed voltage.
DU2 5V input voltage for the
9032
board is lower than the
minimum allowed voltage.
DU2 24 V input voltage for the
motor brake, encoder and fan
9033
is lower than the specified
voltage.
DU2 Internal temperature of
9034
the Controller is higher than
the allowed temperature.
DU2 Rotating speed of the
9035
controller fan is below the
allowed speed. (FAN1)
DU2 Rotating speed of the
9036
controller fan is below the
allowed speed. (FAN2)
RC700 / RC700-A Rev.23
Remedy
Check whether the filter of the
controller is not clogged up.
Replace the fan.
Stop the controller as soon as
possible and check whether the
ambient temperature of the
controller is not high.
Check whether the filter is not
clogged up.
If normal voltage is not generated
by 3.3V of Drive Unit 1 power
supply alone, replace the power
supply.
If normal voltage is not generated
by 5V of Drive Unit 1 power supply
alone, replace the power supply.
If normal voltage is not generated
by 24V of Drive Unit 1 power
supply alone, replace the power
supply.
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.
Maintenance 9. Troubleshooting
Note 1
Current value
Note 2
Boundary
value
289

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