Instruction/ maintenance manual of the product EM-C180 Garland
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FORM # EM-C180 (02/05) SER VICE MANUAL SUPPLEMENT for Model EM-C180 Micr owave Oven C A U T I O N W A R NI N G T O S ER VI C E TE C H N I C I A NS PRECA UTIONS T O BE OBSER VED BEFORE AND DURING S ER VICING T O A V OID POSSIBL E EXPOSUR E T O EXCESSIVE MICR O W A VE ENERGY (a) Do not operate or allow the oven to be operated with the door open.
CA UTION For microwave energy emission On every service call. A check for micro- wave energy emission must be made according to the f ollo wing manner .
- 3 - - T ABLE OF CONTENTS - Adjustment Procedures ............................................. 1 Specifications ............................................................ 2 P ower output Measurement ...................................... 2 Precautions and Repair Ser vice Tips .
- 2 - 2.SPECIFICA TIONS Microwave output ................ 1,800W to 180W F requency ........................... 2,450MHz P ow er supply ....................... 208V , 60Hz Rated current ...................... 13 Amp . Saf ety Device ..................
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- 6 - 6. TEST PROCEDURES AND TR OUBLESHOOTING CA UTION -DISCONNECT THE PO WER SUPPL Y CORD FROM THE W ALL OUTLET WHENEVER REMOVING THE CABINET FROM THE UNIT .
- 7 - Measure the resistance: Across two terminals with an ohm-meter on highest scale. COMPONENT HIGH-V OL T A GE CAP A CIT OR Including internal bleeder resistor HIGH-V OL T A GE DIODE Measure the resistance: Across two terminals with an ohm-meter on highest scale.
- 8 - Measure the resistance between terminals of FPC connector after removing it from S101.(Figure 10) NO TE - When reconnecting the FPC connector , make sure the holes on the connector are properly inser ted in hook of the plastic fastener in S101.
- 9 - Check voltage at S104 and S105 after remov- ing each connector (f emale) from pow er circuit board. Pin No .3 (Ground) and 4,5, 1,2 at S105. Pin No .1 and 2 at S104. CA UTION: F or your saf ety , proceed with the test only after removing the wire leads from the pri- mar y winding of high voltage transf or mer.
- 10 - P ower with normal voltage is applied. Place a cup of water inside microwave oven Shor ted Replace B. TR OUBLESHOO TING CONDITION TR OUBLE CHECK RESUL T REMED Y * “TIME”, ”1”, ”0” , ”0” and “ST ART” keys are touched Fuse(10A) blows off immediately Step down T ransformer No displa y cooking time H.
- 9 - Thermistor (on duct) sensies a temperature of 120 ° C or higher . Displa y E-21 E-31 Thermistor (on Magnetron) or thermistor (on Duct) is shor ted. T rouble Other Symptom Solution Check and remove the cause of the cav- ity fire or abnormal overheating.
- 12 - 0 1000 2000 3000 4000 5000 6000 7000 8000 0 1 02 03 0 4 05 06 0 Temper atur e Resistance K¶ “HINT” PROCEDURE FOR DETERMING WHETHER THE UPPER MAGNETR ON CIRCUIT OR LO WER MA GNETR ON CIRCUIT IS DEFECTIVE. SYMPT OM:One magnetron does not work giving less than nor mal heat.
- 13 - 7. DISASSEMBL Y INSTR UCTIONS - THE O VEN MUST BE DISCONNECTED FROM THE ELECTRICAL OUTLET WHEN MAKING REPLACE- MENTS, REP AIRS, ADJUSTMENT OR CONTINUITY CHECKS. BEFORE PROCEEDING WITH ANY RE- P AIR, WORK , W AIT A T LEAST 1 MINUTE, UNTIL THE CAP A CIT OR IN THE HIGH V OL T A GE AREA HAS FULL Y DISCHARGED.
- 14 - F . CHANGING PO WER SUPPL Y CORD (See e xploded view on page 15) (1) Unf asten 1 screw f or ground and pull out the 2 wires of the power cord from the terminal plate. (2) Remov e 1 scre w f or the bottom brac ket of the cord bushing. (3) Install the new power supply cord with the re verse procedure of abo v e (1) to (2).
- 15 - K. ADDITIONAL FUNCTIONS The following functions can be completed by the k ey oper ation described below . The Accumulative cooking time and the number of door opening /closings can be observed. The T ype and lev el of the buzz er sound can be selected.
- 16 - Maintenance: The microwa ve o v ens are designed, manuf actured, and tested f or years of dependab le operation. Howe ver , the ov en ma y require ser vice from time to time if the consumable components listed below are not replaced at the appropriate time.
- 17 - 8. EXPLODED VIEW AND P AR TS LIST Main body P arts-1 NO TE: All component ha ve special characteristics f or saf ety and must be replaced using par ts listed in this manual. All ser vice on M/W ovens should be perf or med by a qualified technician using approv ed testing equipment.
- 18 - NO TE: All component hav e special characteristics f or safety and m ust be replaced using par ts listed in this manual. All service on M/W ovens should be perf ormed by a qualified technician using appro ved testing equipment. Customers should not attempt replace component marked with a symbol.
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- 20 - Main body P arts-2 NO TE: All component have special char acteristics f or saf ety and must be replaced usnig par ts listed in this manual. All ser vice on M/W ov ens should be perf ormed by a qualified technician using approv ed testing equipment.
- 21 - NO TE: All component hav e special characteristics for saf ety and must be replaced using par ts listed in this manual. All service on M/W ovens should be perf ormed b y a qualified technician using approv ed testing equipment. Customers should not attempt replace component marked with a symbol.
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- 2 8 - Prin ted in J AP AN Wiri ng of Hig h v ol tage Cir cu it Brow n(C Insid e) Wiri ng of Swit ches Mon ito r swi tch Int erloc k s wit ch Doo r se nsin g s wi tch Ora ng e(C ) Br own Wh ite Y ell.
An important point after buying a device Garland EM-C180 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Garland EM-C180 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Garland EM-C180 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Garland EM-C180 you will learn all the available features of the product, as well as information on its operation. The information that you get Garland EM-C180 will certainly help you make a decision on the purchase.
If you already are a holder of Garland EM-C180, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Garland EM-C180.
However, one of the most important roles played by the user manual is to help in solving problems with Garland EM-C180. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Garland EM-C180 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
