Replacing a defective auxiliary contact

Part number

Designation

Use

29663288

Contact element Q1.1

Separation of ESMinus

29663288

Contact element Q1.2

Disconnector feedback

If the auxiliary contact Q1.1 is defective, also check the following components for correct function:

  • Auxiliary contact Q1.2
  • Disconnector Q1
  • Fuse F3

 

If the auxiliary contact Q1.2 is defective, also check the following components for correct function:

  • Auxiliary contact Q1.1
  • Disconnector Q1
  • I/O module

 

Procedure:

  1. Disconnect the electrical connections.
  2. Remove the defective auxiliary contact.
  3. Mount and install the new auxiliary contact in reverse order.