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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) 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
c) Before turning on microwave power for any service test or inspection within the microwave
generating compartments, check the magnetron, waveguide or transmission line, and
cavity for proper alignment, integrity and connections.
d) Any defective or misadjusted components in the interlock, monitor, door seal, and micro-
wave generation and transmission systems shall be repaired, replaced, or adjusted by
procedures described in service manual before the oven is released to the owner.
e) A microwave leakage check to verify compliance with the Federal Performance Standard
should be performed on each oven prior to release to the owner.
f) Do not attempt to operate the oven if the door glass is broken.
