9.1 Alarm Displays
9-19
9
Trou
blesh
ooting
A.EE2:
Local Communica-
tions Servo ON Oper-
ation Error 2
Servo ON status could not be
detected for all axes during servo
ON status.
Check to see if the multi-winding
drive unit is in ready status.
Perform an alarm reset and restart
operation.
A.EE3:
Local Communica-
tions Servo OFF Oper-
ation Error 2
Servo OFF status could not be
detected for all axes during servo
OFF status.
−
Perform an alarm reset and restart
operation.
A.EE4:
Local Communica-
tions Connection Fail-
ure
The connection command for
local bus communications was
not completed.
Check to see if the multi-winding
drive unit is in ready status.
Perform an alarm reset and restart
operation.
Check the multi-winding drive unit
parameters.
Set the multi-winding drive unit
parameters again.
A.EE5:
Local Communica-
tions ASIC Initializa-
tion Failure
Initialization processing of the
local bus communications ASIC
failed.
−
Turn the control power supply OFF
and ON again. Replace the multi-
winding drive unit.
A.EE6:
Local Communica-
tions Disconnection
Error
The wiring for local bus commu-
nications is not correct.
Check the wiring of local bus com-
munications.
Wire the local bus communications
cable correctly. Install the termina-
tor correctly.
A reception error occurred in the
local bus communications data
due to noise.
−
Take countermeasures against
noise. (For example, correct the
cable and field ground wiring. Or,
place a ferrite core on the local bus
communications cable.)
A.F10:
Main Circuit Cable
Open Phase
(With the main circuit
power supply ON, volt-
age was low for more
than 1 second in an R, S,
or T phase.)
(Detected when the main
power supply was turned
ON.)
The three-phase power supply
wiring is incorrect.
Check the power supply wiring.
Confirm that the power supply is
correctly wired.
The three-phase power supply is
unbalanced.
Measure the voltage at each phase
of the three-phase power supply.
Balance the power supply by chang-
ing phases.
The connection of the I/O signals
(CN901) between the SERVO-
PACK and converter is faulty.
Check the connection of CN901.
Correctly connect CN901.
A fault occurred in the SERVO-
PACK or converter.
−
Turn the main circuit power supply
OFF and ON again. If the alarm still
occurs, the SERVOPACK or con-
verter may be faulty. Replace the
SERVOPACK or converter.
A.F30:
Dynamic Brake
Contactor Error
The contactor is faulty in the
dynamic brake circuit.
Check the contacts to see if they are
welded or not.
The contactor may be faulty.
Replace the contactor.
Incorrect wiring of the dynamic
brake answer signal.
Check the wiring of the dynamic
brake answer signal.
Correctly wire the dynamic brake
answer signal.
A fault occurred in the SERVO-
PACK.
−
Turn the control power supply OFF
and ON again. If the alarm still
occurs, the SERVOPACK may be
faulty. Replace the SERVOPACK.
CPF00:
Digital Operator
Transmission Error 1
The contact between the digital
operator and the SERVOPACK is
faulty.
Check the connector contact.
Insert securely the connector or
replace the cable.
Malfunction caused by noise
interference.
−
Keep the digital operator or the
cable away from noise sources.
(cont’d)
Alarm Number:
Alarm Name
(Alarm Description)
Cause
Investigative Actions
Corrective Actions