– 2 –IMPORTANT SAFETY NOTICEThe information in this service guide is intended for use by individuals possessingadequate backgrounds of electrical, electronic, and mechanical experience. Any attemptto repair a major appliance may result in personal injury and property damage. Themanufacturer or seller cannot be responsible for the interpretation of this information,nor can it assume any liability in connection with its use.WARNINGTo avoid personal injury, disconnect power before servicing this product. If electricalpower is required for diagnosis or test purposes, disconnect the power immediately afterperforming the necessary checks.RECONNECT ALL GROUNDING DEVICESIf grounding wires, screws, straps, clips, nuts, or washers used to complete a path toground are removed for service, they must be returned to their original position andproperly fastened.GE Consumer & IndustrialTechnical Service GuideCopyright © 2009All rights reserved. This service guide may not be reproduced in whole or in partin any form without written permission from the General Electric Company.PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURETO EXCESSIVE MICROWAVE ENERGY.A. DO NOT OPERATE OR ALLOW THE OVEN TO BE OPERATED WITH THE DOOR OPEN.B. IF THE OVEN OPERATES WITH THE DOOR OPEN, INSTRUCT THE USER NOT TO OPERATE THE OVENAND CONTACT THE MANUFACTURER IMMEDIATELY.C. MAKE THE FOLLOWING SAFETY CHECKS ON ALL OVENS TO BE SERVICED BEFORE ACTIVATINGTHE MAGNETRON OR OTHER MICROWAVE SOURCE, AND MAKE REPAIRS AS NECESSARY:1. INTERLOCK OPERATION.2. PROPER DOOR CLOSING.3. SEAL AND SEALING SURFACES (ARCING, WEAR AND OTHER DAMAGE).4. DAMAGE TO OR LOOSENING OF HINGES AND LATCHES.5. EVIDENCE OF DROPPING OR ABUSE.D. BEFORE TURNING ON MICROWAVE POWER FOR ANY TEST OR INSPECTION WITHIN THEMICROWAVE GENERATING COMPARTMENTS, CHECK THE MAGNETRON, WAVE GUIDE ORTRANSMISSION LINE AND CAVITY FOR PROPER ALIGNMENT, INTEGRITY AND CONNECTIONS.E. ANY DEFECTIVE OR MISADJUSTED COMPONENTS IN THE INTERLOCK MONITOR, DOOR SEAL ANDMICROWAVE GENERATION AND TRANSMISSION SYSTEMS SHALL BE REPAIRED, REPLACED ORADJUSTED BY PROCEDURE DESCRIBED IN THIS MANUAL BEFORE THE OVEN IS RELEASED TO THEOWNER.F. A MICROWAVE LEAKAGE CHECK TO VERIFY COMPLIANCE WITH THE FEDERAL PERFORMANCESTANDARD SHOULD BE PERFORMED ON EACH OVEN PRIOR TO RELEASE TO THE OWNER.