Maintenance 9. Troubleshooting
RC700 / RC700-A Rev.23 289
9016
Speed of the controller fan is
below the specified speed.
Check whether the filter of the
controller is not clogged up.
Current value
Boundary
value
9017
Internal temperature of the
Controller is higher than the
specified temperature.
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
9021
DU1 3.3V input voltage for the
board is lower than the
minimum allowed voltage.
If normal voltage is not generated
by 3.3V of Drive Unit 1 power
supply alone, replace the power
9022
DU1 5V input voltage for the
board is lower than the
If normal voltage is not generated
by 5V of Drive Unit 1 power supply
alone, replace the power supply.
9023
DU1 24 V input voltage for the
motor brake, encoder and fan
is lower than the specified
If normal voltage is not generated
by 24V of Drive Unit 1 power
supply alone, replace the power
9024
DU1 Internal temperature of
the Controller is higher than
the allowed temperature.
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
9025
DU1 Rotating speed of the
controller fan is below the
Check whether the filter of the
Drive Unit 1 is not clogged up.
9026
DU1 Rotating speed of the
controller fan is below the
Check whether the filter of the
Drive Unit 1 is not clogged up.
9031
DU2 3.3V input voltage for the
board is lower than the
minimum allowed voltage.
If normal voltage is not generated
by 3.3V of Drive Unit 2 power
supply alone, replace the power
9032
DU2 5V input voltage for the
board is lower than the
If normal voltage is not generated
by 5V of Drive Unit 2 power supply
alone, replace the power supply.
9033
DU2 24 V input voltage for the
motor brake, encoder and fan
is lower than the specified
If normal voltage is not generated
by 24V of Drive Unit 2 power
supply alone, replace the power
9034
DU2 Internal temperature of
the Controller is higher than
the allowed temperature.
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
9035
DU2 Rotating speed of the
controller fan is below the
Check whether the filter of the
Drive Unit 2 is not clogged up.
9036
DU2 Rotating speed of the
controller fan is below the
Check whether the filter of the
Drive Unit 2 is not clogged up.