RDH-XS, RDH-S, RDH-M, DSH-S
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April 2019
5
Fault list
Only allow qualified technicians to carry out repairs on the electric components of the product.
Otherwise there is a risk of electric current causing fatal injuries.
Problem/fault
Possible cause(s)
Help
Louder running
sounds
Dirt
Lack of lubricating film
Clean the rotary unit
in the area around the seals
Stiffness
Dirt
Incorrect tension
Clean the rotary unit
Alignment, adjustment
Impaired positioning
accuracy or
repeatability
Overload
Reduce load
Important: In unfavourable electromagnetic conditions the effects of EMC can cause faults.
Do not attempt to manipulate the controller or output stage of the rotary unit.