GE JVM1750 User Manual

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IMPORTANT SAFETY NOTICE
The information in this service guide is intended for use by individuals possessing 
adequate backgrounds of electrical, electronic, and mechanical experience. Any attempt 
to repair a major ap pli ance may result in personal injury and property  damage. The 
man u fac tur er or seller cannot be responsible for the in ter pre ta tion of this in for ma tion, 
nor can it assume any liability in connection with its use.
WARNING
To avoid personal injury, disconnect power before servicing this prod uct. If electrical 
power is  required for diagnosis or test purposes, disconnect the power immediately after 
performing the necessary checks.
RECONNECT ALL GROUNDING DEVICES
If grounding wires, screws, straps, clips, nuts, or washers used to complete a path to 
ground are removed for service, they must be returned to their original position and 
properly fastened.
GE Consumer & Industrial
Technical Service Guide
Copyright © 2009
All rights reserved. This service guide may not be reproduced in whole or in part
in any form without written permission from the General Electric Company.
PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE 
TO 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 OVEN 
AND CONTACT THE MANUFACTURER IMMEDIATELY.
C.   MAKE THE FOLLOWING SAFETY CHECKS ON ALL OVENS TO BE SERVICED BEFORE ACTIVATING 
THE 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 THE 
MICROWAVE GENERATING COMPARTMENTS, CHECK THE MAGNETRON, WAVE GUIDE OR 
TRANSMISSION LINE AND CAVITY FOR PROPER ALIGNMENT, INTEGRITY AND CONNECTIONS.
E.   ANY DEFECTIVE OR MISADJUSTED COMPONENTS IN THE INTERLOCK MONITOR, DOOR SEAL AND 
MICROWAVE GENERATION AND TRANSMISSION SYSTEMS SHALL BE REPAIRED, REPLACED OR 
ADJUSTED BY PROCEDURE DESCRIBED IN THIS MANUAL BEFORE THE OVEN IS RELEASED TO THE 
OWNER.
F.   A MICROWAVE LEAKAGE CHECK TO VERIFY COMPLIANCE WITH THE FEDERAL PERFORMANCE 
STANDARD SHOULD BE PERFORMED ON EACH OVEN PRIOR TO RELEASE TO THE OWNER.