ACP P1330235M Скачать руководство пользователя страница 3

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16400007 Rev. 0

Important Information .................................................... 2

Important Safety Information ......................................... 4

Grounding Instructions ............................................... 7

General Information

Unpacking Equipment ................................................ 8

Equipment Placement ................................................ 8

Radio Interference ...................................................... 8

Model Identification

.................................................... 8

Service ....................................................................... 8

Parts and Accessories ................................................ 8

Troubleshooting Procedures .................................... 9-13

Service Information

Proper Handling of Magnetron Tubes ...................... 14

Magnetron Failure Mode .......................................... 14

Microwave Leakage Test

Equipment ................................................................ 15

Procedure For Measuring Radiation Leakage ......... 15

Measurement With the Outer Panel Removed ........ 15

Measurement With a Fully Assembled Oven ........... 15

Record Keeping and Notification

After Measurement ............................................... 15

Testing Procedures ................................................. 16-19

Power Test ................................................................ 20

Table of Contents

Disassembly Procedures

Disconnecting Wire Terminals .................................. 21

Outer Case ................................................................. 21

Door Assembly ......................................................... 22

Door Disassembly .................................................... 22

Control Removal ...................................................... 23

Interlock Switches .................................................... 23

H.V. Capacitor .......................................................... 24

Diode ........................................................................ 24

Transformer .............................................................. 24

Fuse / Fuse Block / Filter Assembly ......................... 24

Magnetron ................................................................ 25

Blower Motor or Wheel ................................................ 25

Splatter Shield .......................................................... 26

Antenna (Upper & Lower) ........................................ 26

Stirrer Motor (Upper & Lower) .................................. 26

Magnetron Thermal Cut-Out (TCO) ......................... 27

Cavity Thermal Fuse ................................................ 27

Tray Replacement .................................................... 27

Oven Light Removal ................................................. 27

Содержание P1330235M

Страница 1: ...______________ Service Manual Commercial Microwave Oven RFS12MPSB P1330235M RFS12SW2B P1330236M RFS12SW2C P1330237M 60 Hz July 2010 16400007 ...

Страница 2: ...tion ITISTHETECHNICIANSRESPONSIBLITYTOREVIEWALL APPROPRIATESERVICEINFORMATIONBEFOREBEGINNINGREPAIRS WARNING Toavoidriskofseverepersonalinjuryordeath disconnectpowerbeforeworking servicingonappliancetoavoid electrical shock Tolocateanauthorizedservicerpleasecontact ComServ Support Center Web Site Telephone Number WWW ACPSOLUTIONS COM E Mail commercialservice acpsolutions com 1 866 426 2621 or 319 3...

Страница 3: ...n Leakage 15 Measurement With the Outer Panel Removed 15 Measurement With a Fully Assembled Oven 15 Record Keeping and Notification After Measurement 15 Testing Procedures 16 19 Power Test 20 Table of Contents Disassembly Procedures Disconnecting Wire Terminals 21 Outer Case 21 Door Assembly 22 Door Disassembly 22 Control Removal 23 Interlock Switches 23 H V Capacitor 24 Diode 24 Transformer 24 Fu...

Страница 4: ...nreadingover 4mw cm2 the servicer is to cease repair and contacttheACPComServ Department immediatelyforfurtherdirection ACP willcontacttheproperGovernment Agency upon verification of the test results 1 Always operate the unit from an adequately grounded outlet Do not operate on a two wire extension cord 2 Beforeservicingtheunit ifunitisoperable perform themicrowaveleakagetest 3 Theovenshouldneverb...

Страница 5: ...d must be serviced ONLY by qualified service personnel Special tools are required to service equipment Contact nearest authorized service facility for examination repair or adjustment 10 DO NOT cover or block filter or other openings on equipment 11 DO NOT store this equipment outdoors DO NOT use this product near water for example near a kitchen sink in a wet basement or near a swimming pool etc ...

Страница 6: ... with paper plastic or other combustible materials follow manufacturer s recommendations on product use 10 Do not heat sealed containers or plastic bags in oven Food or liquid could expand quickly and cause container or bag to break Pierce or open container or bag before heating 11 To avoid pacemaker malfunction consult physician or pacemaker manufacturer about effects of microwave energy on pacem...

Страница 7: ...60 hertz circuit with the electrical rating as shown in the appropriate drawing Models operate with a 120 supply voltage When an oven is on a circuit with other equipment an increase in cooking times may be required and fuses can be blown WARNING To avoid risk of electrical shock injury or death make sure these grounding instructions are followed Do not operate or allow oven to be operated with do...

Страница 8: ...erence by doing the following Place radio television etc as far as possible from oven Use a properly installed antenna on radio television etc to obtain stronger signal reception A A A B Model Identification For ACP product call 1 866 426 2621 or visit the Web Site at www acpsolutions com When contacting for service support provide product information located on rating plate Record the following M...

Страница 9: ... is too low Low AC input voltage Food temperature is too low Using metallic ware and allowing it to touch the oven wall Sparks occur Inconsistent intensity of microwave by their characteristics 1 Use plastic wrap or lid 2 Stir once or twice while cooking soup cocoa or milk etc Uneven cooking Ceramic ware trimmed in gold or silver powder is used Avoid using other electrical appliances when you use ...

Страница 10: ... time while counting down 9 Display counts down too fast while cooking 10 Each indicator light does not turn on after setting cooking cycle 11 Display time of day does not reappear when cooking is finished Troubleshooting Procedures CONDITION CHECK RESULT CAUSE REMEDY Everything works as specified Continuity No continuity Still have trouble Defective key membrane assembly Defective PCB assembly Lo...

Страница 11: ...onnected from transformer to the high voltage capacitor and operate the unit Replace fuse Continuity Malfunction of secondary switch No continuity Check continuity of secondary switch with door opened Normal Set is good condition defective fuse only Abnormal Measure to resistance high voltage capacitor refer to page 16 2 Fuse does not blow No continuity No continuity Replace power supply cord Defe...

Страница 12: ...ary switch Defective PCB assembly Replace PCB assembly Check continuity of secondary switch with door closed Check blower motor Check oven lamp Abnormal Abnormal Normal Defectiveblower motor Defectiveovenlamp Replaceblower motor Replaceovenlamp Loose connection Connect them tightly CONDITION CHECK RESULT CAUSE REMEDY Output is low Lower than 90 of rating voltage Normal Abnormal Measure the output ...

Страница 13: ...citor Replace high voltage capacitor Check high vol tage capacitor Abnormal Defective magnetron Replace magnetron Check magnetron Outputis fullpower whenyousetlower powerlevel Abnormal Disconnect the wire leads from relay 3 5 and check continuity of relay 3 5 Operate the unit Defective PCB assembly Replace PCB assembly NOTE Make sure the wire leads are in the correct position When Removing the wir...

Страница 14: ...ent if high voltage is applied R F Capacitors May short to chassis This condition will also cause loss of high voltage 2 Open Heater Filament Can be determined by a ohmmeter when transformer leads are disconnected Resistance is normally less than one ohm filament does not short internally Any tube removed should be checked since usage tends to make the filament more fragile Later handling and ship...

Страница 15: ...r a fully assembly oven before the latch switch primary is interrupted while pulling the door 4 mW cm2 or less 1 Pour 275 cc 15 cc 9 oz 1 2 oz of 20 C 5 C 68 F 9 F water in a beaker which is graduated to 600 cc and place the beaker in the center of oven 2 Set the radiation monitor to 2450 MHz and use it following the manufacturer s recommended test procedure to assure correct results 3 While measu...

Страница 16: ...flect towards zero then return to over 5 MΩ If no deflection occurs or if continuous deflection occurs replace capacitor Terminal to Case Infinite resistance Magnetron Discharge Capacitor Remove wires from magnetron and connect ohmmeter to terminals Also check between each terminal and ground Between Terminals Less than 1 Ω Each terminal to ground measures Infinite resistance Note This test is not...

Страница 17: ...ite Ω Infinite Ω Infinite Ω Indicates continuity Indicates continuity Lamp receptacle Test continuity of receptacle terminals Indicates continuity with bulb installed Wire Harness Test continuity of wires Indicates continuity Electronic Control Panel Service Test Mode Open door Press and Hold pad 3 for 5 seconds to enter service test mode Press Pad 1 Press Pad 2 Press Pad 3 Press Pad 4 Press Pad 5...

Страница 18: ...10 5 10 6 10 7 10 Measurement Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Electronic Control RFS12MPSB Keyboard assembly 1 2 3 4 5 6 7 8 9 10 11 Continuity is indicated as 100 Ω and below Pad 0 1 2 3 4 5 6 7 8 9 QTY 2X HOLD 0 DEFROST 20 MEDIUM 50 MED HI 70 ...

Страница 19: ...Volts Tab 2 to CN1 Pin 3 Neutral 120 VAC Power from Oven TCO All Conditions Volts CN1 Pin 1 Black wire to Neutral 120 VAC Power to Oven Light Standby Ready Cook Volts Volts Volts CN1 Pin 4 to Pin 1 CN1 Pin 4 to Pin 1 CN1 Pin 4 to Pin 1 120 VAC 0 VAC 0 VAC Power to Blower Motor Standby Ready Cook Volts Volts Volts CN1 Pin 5 to Pin 1 CN1 Pin 5 to Pin 1 CN1 Pin 5 to Pin 1 120 VAC 0 VAC 0 VAC Secondar...

Страница 20: ...NOTE Water temperature should be approximately 60 F 16 C 2 Using the thermometer stir water for five to ten seconds measure and record the temperature T1 3 Place test container of water in the center of oven cavity and close door 4 Heat the water for a 33 second full power cycle NOTE Use a digital watch or a watch with a second hand for ovens with electromechanical timers 1 At end of the cycle rem...

Страница 21: ...terminals are locking type terminals Proceed as follows to disconnect wire terminals Insulated terminals Grasp insulator pod and pull back DO NOT PULL ON WIRE Non insulated terminals Use a small blade screwdriver to depress locking tab and pull on terminal DO NOT PULL ON WIRE Outer Case 1 Disconnect power to oven 2 Remove screws securing outer case to unit 3 Slide outer case towards rear of unit 4...

Страница 22: ...wise direction to remove choke cover CAUTION To avoid property damage care must be taken when prying choke cover from oven door 4 Remove screw securing door handle to latch assembly 5 Slide latch assembly downward and pull away from door frame to release 6 Remove screws securing choke assembly to outer door panel NOTE When disassembling door use caution to prevent deformation of slats on door fram...

Страница 23: ... Test interlock switches before removing see testing procedures 4 Disconnect and label wire connections 5 Remove mounting screws securing interlock switch to unit chassis 6 Remove interlock from unit chassis ADJUSTMENT DIRECTION MONITOR SWITCHES PRIMARY SWITCHES SECONDARY SWITCH NOTE After repairing the door or the interlock system it is necessary to check the switch continuity before operating th...

Страница 24: ...Capacitor Removal 1 Disconnect power to oven and remove outer case see Outer Case procedure 2 Discharge high voltage capacitors 3 Remove and label wire leads from capacitor terminals 4 Remove screw securing capacitor strap to plate 5 Slide capacitor out of capacitor strap and remove capacitor 6 Replace capacitor and reverse procedure to reassemble NOTE When replacing H V components route H V wires...

Страница 25: ...mble NOTE When replacing magnetron make sure gasket is in correct position and in good condition CAUTION During replacement of magnetron be certain the R F anode gasket is in place around the anode stud WARNING A microwave leakage test must be performed anytime a magnetron assembly is removed replaced disassembled or adjusted for any reason Blower Motor 1 Disconnect power to oven and remove outerc...

Страница 26: ...r 2 Using a suction cup to pry upward on front portion and remove tray from unit 3 Remove two mounting rivets on the bottom of oven cavity floor to remove cradle Support cradle before removing mounting rivets to avoid damage to antenna assembly Stirrer Motor 1 Disconnect power to oven and remove outer case see Outer Case procedure 2 Remove outer case 3 Disconnect the leadwire from the stirrer fan ...

Страница 27: ...et 2 Using a suction cup to pry upward on front portion and remove tray from unit 3 Thoroughly clean and degrease sump area 4 Clean oven cavity bottom where new oven tray will make contact using mineral spirits or any non flammable degreasing solvent NOTE Detergents soap and water are not sufficient to remove oil and grease 5 Place new tray into unit and clean cavity with mild detergent to remove ...

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