SnA,  SA,  or  SENSOR A SERVICE REQD  Message

"Sensor A" (SnA or SA) is Not Operating Correctly.

The Sensor Connected to the "Sens.A" Connector on the System Board may have failed and Spa Functions are Disabled.  Contact your Dealer or Service Organization.

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_ML200Sm-SA

_ML400Sm-SNA

_ML700Sm-SNA

_ML900Sm-SNA-SR