9. Troubleshooting
334
9.4 Alarm List
Alarm
Code
Alarm
Level
Alarm Name Cause/Treatment
02E Calendar function related
command in calendar
function invalid status
Cause : An attempt was made to use the calendar in the
state where the RTC (calendar) function was made
ineffective.
Treatment : Set parameter No.111 (Selection of use of calendar
function) to “1” (“0”: no use).
048 Driver Overload Alarm Cause : The load current exceeded the value set in
Parameter No.143 “Overload Level Ratio”.
This alarm is kept alarm condition until reset is
made. This alarm turns ON when the load current
exceeds the setting from a value below the setting.
Treatment : Lower the setting of acceleration/deceleration. Also,
increase the frequency of pause.
04C Drop in Number of Fan
Revolution
Cause : The number of the FAN revolution has dropped to
the warning level.
Treatment : Degradation of the fan can be considered. Replace
the FAN.
04D Excess Fan Total
Operational Duration
Cause : The total operation duration of the FAN has
exceeded the reference timing for replacement.
This alarm is not purposed to indicate an error.
Treatment : Utilize this alarm as a reference for the timing to
replace the FAN.
04E Exceeded movement
count threshold
Cause : The total number of the operation times exceeded
the value set in Parameter No.147 “Total Movement
Count Threshold”.
04F Exceeded operated
distance threshold
Cause : The total number of the operation distance
exceeded the value set in Parameter No.148 “Total
Operated Distance Threshold”.
068 SRAM access error Cause : Servo monitor is not operated in the normal
condition because of noise or malfunction of
consisting parts.
Treatment : 1) Take proper measures against noise.
2) When the servo monitoring function is not used,
set parameter No.112 “Monitoring mode” to “0”.
3) If the operation is not improved in use of the
servo monitoring function in spite of measures
against noise, Please contact IAI.
069 Detection of realtime clock
oscillation stop
Cause : The calendar function is stopped and the current
time data is lost.
Treatment : Set the time again.
[Refer to the Instruction Manual of RC PC software.]
(Note) This error is not registered in the alarm list.
06A Realtime clock access
error
Cause : The calendar function is not working properly
because of noise or malfunction of consisting parts.
Treatment : 1) Take proper measures against noise.
2) When the calendar function is not used, set
parameter No.111 “Calendar function” to “0”.
3) If the operation is not improved in use of the
calendar function in spite of measures against
noise, Please contact IAI.
06B
Message
Maintenance information
data error
Cause : The maintenance information (total movement
count, total operated distance) is lost.
Treatment : Please contact IAI.