GE JVM1750 Technical Service Manual page 2

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.
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.
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.
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.
IMPORTANT SAFETY NOTICE
WARNING
GE Consumer & Industrial
Technical Service Guide
Copyright © 2009
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