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Dr. Jennifer Green MDAug 1, 2025
What to do if Johnson Controls CK721-A controller has a hardware failure?
- RRachel PughAug 1, 2025
If the CK721-A controller has a hardware failure, return the defective controller to Johnson Controls by initiating a Return Material Authorization (RMA). Contact your Johnson Controls Representative or enter an RMA at this Employee Portal site: http://spcweb.cg.na.jci.com/rma
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