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8 Troubleshooting
8.1 Safety
8.1.1 Safety Instructions for Troubleshooting
Faults in the lifting device may only be repaired by qualified mechanics and electricians.
Personnel must have read and understood the operating instructions.
DANGER
Electric shock from touching live components
Serious injury or death!
Make sure that the electrical components are not live before installation, maintenance and trouble-
shooting.
Disconnect mains plug.
WARNING
Risk of injury due to vacuum!
Switch the vacuum generator off before performing troubleshooting or maintenance work.
Make sure that there is no stored residual vacuum remaining in the vacuum circuit.
WARNING
Risk of injury due to incorrect maintenance or troubleshooting
Check the proper functioning of the product, especially the safety features, after every maintenance
or troubleshooting operation.
8.1.2 Protective Equipment
The following protective equipment is required for installation, troubleshooting and maintenance work:
•
Protective work shoes
•
Sturdy work gloves
8.2 Troubleshooting
If the load cannot be lifted, work through the following list to identify and rectify the fault:
5270.0015 / 5270.0016 / 5270.0017 / 5270.0018
Troubleshooting
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