The grandMA3 I/O Node only requires minor attention.
All repair and service work has to be exclusively performed by qualified service technicians as live parts may be exposed
when opening and / or removing coverings. Touching live parts may cause electric shock.
The intervals between maintenance may differ depending on the frequency of transport and the operational environment
Disconnect the power supply before cleaning;
Clean the surface with a dry cloth only;
Do not use liquid cleanser or compressed air;
Do not use solvent;
Depending on the environment, we recommend to professionally clean the device every 2 to 5 years.