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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I have replaced the main (incoming, 3 phases) power switch,

Customer Question

I have replaced the main (incoming, 3 phases) power switch, and when turning the device on (M5ACV 075CR) I'm getting Wrong phase sequencing error
JA: How old is the appliance? Have you gotten error messages before?
Customer: The device in 5 YO
JA: Do you plan on doing the work yourself?
Customer: I have received an error that revealed an error in the main power switch, that's why I've replaced him.
JA: Anything else we should know to help you best?
Customer: Now all 3 phase works ok Yes, I plan doing it myself
Submitted: 8 months ago.
Category: HVAC
Expert:  D.E. Anderson replied 8 months ago.

Hi, do you still need assistance with this? Thanks