Sanken SAMCO-NS Series Instruction Manual page 71

Turn off the power, while CHARGE
AL10 System
lamp turns of, turn the power on
Abnormality
again and check the alarm again.
Overload
Setting for output current limiting
ACER
prevention during
function is too small?
acceleration
Overload
CnEr
Prevention during
constant speed
Overload
dCEr
prevention during
deceleration
External
ES
Motor overheated?
Thermistor alarm.
Function setting are correct?
7 segments
Alarm
Check points
monitor
Description
display
oH
Radiator temperature Fans stopped?
abnormally
Ambinent temperature too high?
Under voltage during
LuA
Whether power supply
acceleration
Under voltage during
conditions is good?
Lun
constant speed
Under voltage during
Whether voltaged dropped?
Lud
deceleration
Main switch element
oCH
Fans stopped?
temperature abnormality
Ambient temperature too high?
Overcurrent during Abrupt acceleration/deceleration
oCA
accleration Operation?
Output short-circuited or ground
Overcurrent during
oCn
fault?
constant speed
Main switch elements
Overcurrent during
oCd
abnormality?
deceleration
Excessive acceleration rate?
Momentary overload
oCPA
Setting for current limiting
during acceleration
function（F1701）too high?
oCPn Momentary overload Abrupt change in load?
during constant speed.
（Increase）
Setting for current limiting
function (F1701）too high?
Contact the local supplier
Increase the setting value of F1701
Pronlong acceleration/deceleration time
Reduce the load
Re-set the function codes correctly（F1413）
Actions
Check fan operation.
Increase the ventilation.
Impove the power supply conditions.
Checking fan operation.
Increase the ventilation.
Extened acceleration/deceleration time
Correct short-circuited or ground fault
Contact the local supplier when the alarms
are issued repeatedly .
Extend the acceleration time.
Decrease the settomg value.
Eliminate the abrupt change(Increase)
Decrease the setting value.
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