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CAUTION

  WARNING  TO SERVICE  TECHNICIANS

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, wave guide or transmission line, and cavity for proper alignment,
       integrity, and connections.
(d)   Any defective or misadjusted components in the interlock, monitor, door seal, and microwave generation

and transmission systems shall be repaired, replaced, or adjusted by procedures described in this manual
before the oven is released to the owner.

(e)(i) A microwave leakage check to verify compliance with the Federal performance standard should be
       performed on each oven prior to release to the owner. (For U.S.A)
(e)(ii) A microwave leakage check to verify compliance with the Canadian Regulation, HEALTH AND WELFARE,

SOR/79-920 should be performed on each oven prior to release to the owner. (For CANADA)

  SUPPLEMENT OF

  SERVICE MANUAL      

Microwave Oven

EM-C160US

REFERENCE NO.SM-640180

See the Service Manual of EM-C180US(SM-640179)

except the items described in this Service Manual.

PRODUCT CODE NO.  437-453-00

Summary of Contents for EM-C160US

Page 1: ...on wave guide or transmission line and cavity for proper alignment integrity and connections d Any defective or misadjusted components in the interlock monitor door seal and microwave generation and transmission systems shall be repaired replaced or adjusted by procedures described in this manual before the oven is released to the owner e i A microwave leakage check to verify compliance with the F...

Page 2: ...n the area emitting the highest reading switch the meter to SLOW RESPONSE and take a reading for minimum of three 3 seconds We recommended the pattern outline shown below when the door surface is surveyed NOTE Periodically check to be sure that the probe tip is not worn or dirty The following U S standard applies to microwave ov ens 21 CFR 1030 10 Performance Standard for Microwave Ovens It requir...

Page 3: ...tion 1600W on this model is measured with IEC measurement The power output is measured with two 2 liters water is equiva lent to 1600W in measurement with IEC when mea sured with the following power output 1 1 Fill two beakers one liter of tap water respec tively 2 Use an accurate thermometer and measure each water temperature respectively 2 Place beakers side by side in center of the ceramic tray...

Page 4: ...E 1 COMPONENT HIGH VOLTAGE TRANSFORMER 1 Measure the resistance With an ohm meter on R x1 scale a Primary winding b Filament winding c Secondary winding 2 Measure the resistance with an ohm meter on highest scale a Primary winding to ground b Filament winding to ground CHECKOUT PROCEDURE RESULT Normal reading Approximately 1 0 ohms Less than 1 ohm Approximately 50 ohms Normal reading Infinite ohms...

Page 5: ...nt have special characteristics for safety and must be replaced using parts listed in this manual All service on M W ovens should be performed by a qualified technician using approved testing equipment Customers should not attempt replace component marked with a symbol ...

Page 6: ...ristics for safety and must be replaced using parts listed in this manual All service on M W ovens should be performed by a qualified technician using approved testing equipment Customers should not attempt replace component marked with a symbol ...

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Page 8: ... characteristics for safety and must be replaced using parts listed in this manual All service on M W ovens should be performed by a qualified technician using approved testing equipment Customers should not attempt replace component marked with a symbol ...

Page 9: ...ristics for safety and must be replaced using parts listed in this manual All service on M W ovens should be performed by a qualified technician using approved testing equipment Customers should not attempt replace component marked with a symbol ...

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Page 14: ... 12 Printed in JAPAN March 99 ...

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