CSD Series Variable Frequency AC Drive
MOTORTRONICS
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7.3 Failure which can be auto reset or manually reset.
Note: When braking resistor is overloaded during deceleration, the drive
will stop braking and will display OH1. When heat is dissipated, OH1
will disappear and the drive will start braking again.
7.4 Failure which can be manually reset, but cannot be auto
reset.
Fault
Code
Meaning Probable Cause What to do
-OC-
Over current during
stop mode
Detecting circuit failure
1. Set Fn12 = 0000
2. See Section 7.6
OL1 Motor overload
1. Excessive load
2. Incorrect V/f pattern selection
3. Incorrect motor FLA current
selection
1. Select a larger HP unit
2. Select correct V/f pattern
3. Program correct motor
FLA in drive
OL2 Drive overload
1. Excessive load
2. Incorrect V/f pattern selection
1. Select a larger HP unit
2. Select correct V/f pattern
OL3 Overtorque
1. Excessive load
2. Incorrect V/f pattern selection
1. Select a larger HP unit
2. Select correct V/f pattern
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