Sako SKI780 - Page 67

7.2 Troubleshooting List
Fault Name | Display Possible Causes Solutions
1: The input voltage ts too high. Abad iustthie voltage te
5 normal range.
2: An external force drives the
2: Cancel the external force
Overvoltage motor during acceleration.
or install a braking resistor.
during Err05 | 3: Theacceleration time is too ‘
3: Increase the acceleration
acceleration short. Hine
4: The braking unit and braking 4: Install the braking unit
resistor are not installed.
and braking resistor.
1: The input voltage ts too high. 1: Adjust the voltage to
‘ normal range.
2: An external force drives the
2: Cancel the external force
Overvoltage motor during deceleration.
or install the braking resistor.
during Err06 | 3: The deceleration time Is too 2
3: Increase the deceleration
deceleration short. fine
4: The braking unit and braking 4: Install the braking unit
resistor are not installed.
and braking resistor.
Overvoltage 1: The input voltage ts too high. 7 a the voltage to
at constant ErrO7 | 2: An external force drives the pees fange-
speed motor during deceleration 2: Cancel the external force
, or install the braking resistor.
Control power The input voltage ts not within the | Adjust the input voltage to
Err08
supply fault allowable range. the allowable range.
1: Instantaneous power failure
occurs on the input power supply.
2: The AC drive's input voltage 1s ieResetthe fault.
not within the allowable range. 2: Adjust the voltage t
Undervoltage | Err09 | 3: The bus voltage is abnormal. = GTUSE MIS VONBES "0
4: The rectifier bridge and buffer
resistor are faulty.
5: The drive board ts faulty.
6: The main control board is faulty.
normal range.
3: Contact technical support.
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