Service Bulletin Description:
In some instances, a gas range may display amber flashing lights behind the oven knobs indicating error code, and the small oven may not work or it will shut off during a cycle.
This Service Bulletin PDF download contains information for the following:
JGRP548HL* JGRP548HM* JGRP648HL* JGRP648HM* JGRP748HL* JGRP748HM*
The PDF may also contain information that applies to additional models not listed.