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WARNING

Warning name

Symptom/Cause/Remedy

W01

Main power fail

Check AC mains input

W02

Encoder battery low

Replace battery. See user manual.

W04

Software position limit

 

W08

Excessive DB current

More than the max torque commands has been entered

W10

Operation overload

Check 0x2603 accumulated operation overload. When the operation overload ratio reaches the set warning level (0x2010), the operation overload warning (W10) sets off. When it reaches 100%, operation overload alarm (AL-21) is set.

W20

Abnormal drive/motor combination

Drive current large compared to motor. Motor is large compared to drive, such as PM-FCL04 FCL10 with PD-04.

See P Series Troubleshooting - What is W20 and how do I fix it?

W40

Low voltage

DC voltage is less than 190V. See AL-40

W80

Emergency signal input

Check IO wiring for the input defined as EMG

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