Snb,  Sb,  or  SENSOR B SERVICE REQD  Message

"Sensor B" (Snb or Sb) is Not Operating Correctly.

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

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_ML200Sm-SB

_ML400Sm-SNB

_ML700Sm-SNB

_ML900Sm-SNB-SR