9000X AF Drives User Manual
MN04001004E
For more information visit: www.eaton.com B-3
June 2009
Table B-1: Fault Codes (Continued)
Fault
Code Fault Possible Cause Solution
24* Counter fault Values displayed on the counters are
incorrect
25 Microprocessor
watchdog fault
• faulty operation
• component failure
Reset the fault and restart.
Should the fault reoccur, contact
your Eaton distributor.
26 Startup prevented Startup of the drive has been
prevented
Check Start Enable/Interlock settings.
29** Thermistor fault The thermistor input of an option
board has detected a high motor
temperature
Check the motor cooling and the
motor loading.
Check the thermistor connection.
(If the thermistor input of an option
board is not being used, it must be
short-circuited).
31 IGBT temperature
(hardware)
IGBT Inverter Bridge
overtemperature protection has
detected a high short-term overload
current
Check loading.
Check motor size.
32 Fan cooling The SVX9000/SPX9000 cooling fan
did not start when commanded
Contact your Eaton distributor.
34 CAN bus
communication
Sent message not acknowledged Ensure that there is another device
on the bus with the appropriate
configuration.
36 Control unit The control unit cannot control the
power unit and vice-versa
Change the control unit.
37* Device change
(same type)
• option board changed
• different power rating of drive
Reset.
Note: No Fault Time Data Record is
made.
38* Device added
(same type)
• option board added
• drive of different power rating
added
Reset.
Note: No Fault Time Data Record is
made.
39* Device removed
• option board removed
• drive removed
Reset.
Note: No Fault Time Data Record is
made.
40 Device unknown Unknown option board or drive Contact your Eaton distributor.
41 IGBT temperature IGBT Inverter Bridge
overtemperature protection has
detected a high short-term overload
current
Check loading.
Check motor size.
42** Brake resistor
overtemperature
Brake resistor overtemperature
protection has detected excessive
braking
Set the deceleration time longer.
Use an external brake resistor.
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