Home › Ask the Teacher Forums › Fundamentals › Module 4 Unit 3 Components on Electronic Control Boards *Relay* › Reply To: Module 4 Unit 3 Components on Electronic Control Boards *Relay*
June 4, 2019 at 5:36 pm
#12193
Sam Brown
Keymaster
The section that you copied from the unit answers your question. It’s describing two examples of ways that a relay can fail electrically — a burnt solder joint or arced contacts are definitely electrical failures.
Am I misunderstanding your question, or is something else confusing you?