Service Manual
rev 5.0 with software Ind1V022
9.4 Inverter Alarm codes
Alarm is a sign of an unusual operating condition. Alarm remains in the display for about 30 seconds.
Alarm code
Possible cause
Checking
A 16
Motor overtemperature
Mathematical motor temperature model has
detected motor overheating. Motor is
overloaded.
Check:
motor load
if no overload exists, then check motor temperature model
parameters
A 50
Reference value alarm
Analog input signal is out of selected range 1-
9V or 2-10V
control cable is broken
signal source has failed
Check:
reference cable
reference source
A 80
Multistep sequence alarm
Controller does not operate accurately
Check:
controller
A 82
Overweight alarm
Motor load is over adjusted value
Check:
Overweight limit value
A 83
Slack cable alarm
Motor load is under adjusted value
Check:
Slack cable limit value
52/58
Drivecon Inc. reserves the right to alter or amend the above information without notice.
Summary of Contents for D2L
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