Checking the terminal box
● Terminal boxes must be regularly checked for tightness, undamaged insulation, and tight
terminal connections.
● If dust or humidity have infiltrated the terminal box, this should be cleaned and dried
(particularly the insulators).
Check all the seals and sealing surfaces and address the cause of the leakiness.
● Check the insulators, connectors and cable connections in the terminal box.
● Replace the damaged components if necessary.
WARNING
Short-circuit hazard
Damaged components can cause short circuits, possibly resulting in death, serious injuries
and property damage.
Replace damaged components.
9.2 Corrective Maintenance
WARNING
Explosion hazard when carrying out repair work
Repairs are only permissible within the scope of the work described in these operating
instructions. Otherwise an explosion can occur in an explosive atmosphere. This can result
in death, serious injury or material damage.
For repairs to go beyond this scope, please contact the Service Center.
See also
Service and Support (Page 155)
When carrying out any work on the machine, observe the general safety instructions
(Page 15) and the specifications contained in EN 50110‑1 regarding safe operation of electrical
equipment.
Comply with the IEC / EN 60079‑17 standard during all service and maintenance work on the
machine.
Note
If the motor has to be transported, please observe the information and instructions in the
"Transport" (Page 36) section.
Maintenance
9.2 Corrective Maintenance
SIMOTICS TN Series N-compact 1PQ8
Operating Instructions 11/2018 121
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