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Testing Procedures 

 

!

WARNING

 

To avoid risk of electrical shock, personal injury or death; disconnect power to oven and discharge capacitor  
before servicing, unless testing requires power. 

 

©20

10

 

ACP, Inc.

16023293   Rev. 0 

2

0

 

TAB 1

TAB 2

RLY 3

1

9

3

5 4

8

C 1

N

1

2

 

Function 

Test Set-Up / 
Condition 

Meter 
Setting 

Probe Placement 

Results 

Power to current 
transformer 

All Conditions 

Volts 

Tab 1 to CN1 Pin 3 (Neutral) 

120 VAC 

Power from current 
transformer 

All Conditions 

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 

Secondary Interlock 
Switch 

Door Closed ......  
Door Opened ....  

Ohms 
Ohms 

CN1 – Pin 8 to Pin 9 .............................  
CN1 – Pin 8 to Pin 9 .............................  

Continuity 
Infinite 

Power to Relay 3 

Standby.............  
Ready................  
Cook .................  

Volts 
Volts 
Volts 

Relay 3 – Pin 1 to Pin 2.........................  
Relay 3 – Pin 1 to Pin 2.........................  
Relay 3 – Pin 1 to Pin 2.........................  

120 VAC 
120 VAC 
0 VAC 

 

Summary of Contents for P1330201M

Page 1: ... following Service technicians only ACP does not assume any responsibility for property damage or personal injury for improper service procedures done by 16023293 Rev 1 May 2010 RCS10DA P1330201M RCS10MPA P1330202M RCS10A P1330203M RCS10PBDA P1330204M RCS10MPSA P1330205M RFS12MPSA P1330206M RFS12SW2A P1330208M RFS10SW2A P1330232M RCS10DA P2000702M RCS10MPA P2000704M RCS10MPSA P2000705M ...

Page 2: ...formation ITISTHETECHNICIANSRESPONSIBLITYTOREVIEWALL APPROPRIATESERVICEINFORMATIONBEFOREBEGINNINGREPAIRS WARNING Toavoidriskofseverepersonalinjuryordeath disconnectpowerbeforeworking servicingonappliancetoavoid electrical shock Tolocate anauthorized servicerpleasecontact ComServ Support Center Web Site Telephone Number WWW ACPSOLUTIONS COM E Mail commercialservice acpsolutions com 1 866 426 2621 o...

Page 3: ...ies 10 TroubleshootingProcedures 11 16 TestingProcedures 20 23 PowerTest 24 Table of Contents DisassemblyProcedures DisconnectingWireTerminals 25 OuterCase 25 DoorAssembly 26 DoorDisassembly 26 ControlPanelRemoval 27 InterlockSwitches 27 H V Capacitor 28 Diode 28 Transformer 29 Fuse Fuse Block Filter Assembly 29 Magnetron 29 BlowerMotororWheel 30 SplatterShield 30 Antenna 30 StirrerMotor 30 Magnet...

Page 4: ...s an emission reading over 4mw cm2 the servicer is to cease repair and contact the Commercial Support Center immediately for further direction ACP will contact the proper Government 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 Before servicing the unit if unit is operable perform the microwav...

Page 5: ... 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 and the like 12 DO NOT immerse...

Page 6: ...at are not intended for cooking 11 When cooking with paper plastic or other combustible materials follow manufacturer s recommendations on product use 12 Do not use paper towels which contain nylon or other synthetic fibers Heated synthetics could melt and cause paper to ignite 13 Do not heat sealed containers or plastic bags in oven Food or liquid could expand quickly and cause container or bag t...

Page 7: ...WARNING Do not remove grounding prong when installing grounded appliance in a home or business that does not have three wire grounding receptacle under no condition is grounding prong to be cut off or removed It is the personal responsibility of the consumer to contact a qualified electrician and have properly grounded three prong wall receptacle installed in accordance with appropriate electrical...

Page 8: ...utlet Thisinformationwaswrittenforthosewhodonot understand grounding and polarization of a wall outlet A 120 volt wall outlet must always be wired as shown below Neutral N This slot is the larger of the two and should be neutral dead with respect to ground Hot H This slot is the smaller size and should always be hot live with respect to neutral N and ground G Ground G The round hole connection is ...

Page 9: ...top surface A A A A Allow at least 1 inches 3 81 centimeters of clearance around top and sides of equipment Proper air flow around equipment cools electrical components With restricted air flow oven may not operate properly and life of electrical parts is reduced Radio Interference Microwave operation may cause interference to radio television or similar equipment Reduce or eliminate interference ...

Page 10: ...ler s name and address ___________________ Service Keep a copy of sales receipt for future reference or in case warranty service is required To locate an authorized servicer ForACP product call 1 866 426 2621 or visit the Web Site at www acpsolutions com Warranty service must be performed by an authorized servicer We also recommend contacting an authorized servicer if service is required after war...

Page 11: ...nel to discharge any static charge built up in your body Condition Cause Remedy Microwave oven does not work Inserting multiple plugs into one outlet and using them at the same time blown fuse or breaker Avoid using other electrical appliances when you use the microwave oven Microwave oven plug is not inserted tightly Insert microwave oven plug securely Output power is too low Low AC input voltage...

Page 12: ... operation 8 Display obviously jumps in 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 Condition Check Result Cause Remedy No input can be programmed Check the connection between keypad and controller Continuity No continuity Failed controlle...

Page 13: ... continuity of secondary switch with door opened Continuity No Continuity Malfunction of secondary switch Replace the fuse primary secondary monitor switches and controller Disconnect one side of the wire lead connecting transformer to high voltage capacitor and operate the unit Normal Fuse blows again Failed high voltage capacitor Failed high voltage transformer Replace high voltage capacitor Rep...

Page 14: ...f secondary switch with door closed No Continuity Malfunction of secondary switch Replace the secondary switch Continuity Check connection between CN1 connector and controller Continuity No Continuity Failed controller Replace controller Loose connection Repair connection Abnormal Abnormal Failed fan motor Replace fan motor Failed oven light Replace oven light Fan motor or oven light does not oper...

Page 15: ...upply voltage under load Customer must contact local power company or qualified electrician Normal Disconnect wire leads from relay RY2 and verify on and off times Abnormal Normal Failed controller Replace controller Abnormal Failed magnetron Replace magnetron Measure the output power NOTE Simple test of power output can be conducted by heating one liter of water for 33 seconds Refer to Power Test...

Page 16: ...age transformer Abnormal Normal Failed high voltage transformer Replace high voltage transformer Check high voltage capacitor Abnormal Normal Failed high voltage capacitor Replace high voltage capacitor Check high voltage diode Abnormal Normal Failed high voltage diode Replace high voltage diode Operates at full power when programmed for lower power Abnormal Failed controller Replace controller Ch...

Page 17: ...r 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 conclusive If oven does not heat and all other components test good replace the magnetron and retest Blower motor Remo...

Page 18: ...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 Press Pad 6 Press Pad 7 Press Pad 8 Press Pad 9 Press Pad 0 Stop Reset Pad SERVICE appears in the display Indicates number of hours magnetron has been turned on Indicates number of times magnetron tube has been turned on and off Indicates number of door cycles CLEAR P...

Page 19: ...TY 2X HOLD 0 DEFROST 20 MEDIUM 50 MED HI 70 TIME ENTRY STOP RESET START Trace 1 8 2 8 3 8 4 8 5 8 6 8 7 8 1 9 2 9 3 8 7 9 1 10 2 10 3 10 4 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 Continuity Electronic Control RCS10A Keyboar...

Page 20: ...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...

Page 21: ...er 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 ...

Page 22: ... Disconnecting Wire Terminals All wire 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 1 Grasp Wire Insulator Pod 2 Pull Non insulated terminals Use a small blade screwdriver to depress locking tab and pull on terminal DO NOT PULL ON WIRE 1 Release locking tab Wire 2 Pull Outer Case 1 Dis...

Page 23: ... door panel Gently pry upward on choke cover to release tabs Work in clockwise 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 d...

Page 24: ...om latch arm Interlock Switch Removal 1 Disconnect power to oven and remove outer case see Outer Case procedure 2 Remove control panel see Control Panel section 3 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 switches by carefully releasing locking tabs on switch bra...

Page 25: ...hesactivateinthefollowingorder Interlockmonitorswitch Secondary interlock switch Primary interlock switch 7 Whenproperswitchsequencehasbeenachieved tighten the switch bracket securely CAUTION Amicrowaveleakagetestmustbepreformedanytime adoorassemblyisremoved replaced disassembled High Voltage Capacitor Highvoltagecapacitorshouldalwaysbedischargedby shorting a terminal to a chassis ground The capac...

Page 26: ...AUTION Beforereplacingablownmonitorfuse testtheprimary interlock switch secondary interlock switch monitor switch andpowerrelaycontactsforproperoperation If the monitor fuse is blown by a failed switch operation all switches and controller must be Magnetron Magnetron is located on the side of the cavity 1 Disconnectpowertoovenandremoveoutercase see Outer Case section 2 Dischargehighvoltagecapacito...

Page 27: ... in front of the oven and three slots in the back 1 Place your thumbs in the two indentations in front of the shield 2 Press lightly towards the back and carefully lower shield away from antenna 3 Pull shield out of the back slots and out of the oven Splatter shield Antenna 1 Remove splatter shield from oven cavity 2 Remove two mounting rivets on the top of oven cavity to remove cradle Support cra...

Page 28: ...Using a suction cup to pry upward on front portion and removetrayfromunit 3 Thoroughlycleananddegreasesumparea 4 Cleanovencavitybottomwherenewoventraywill make contact using mineral spirits or any non flammabledegreasingsolvent NOTE Detergents soap and water are not sufficient to removeoilandgrease 5 Place new tray into unit and clean cavity with mild detergenttoremoveanyremainingdegreasing solvan...

Page 29: ... 2010 ACP Inc 16023293 Rev 0 A 1 Appendix A ...

Page 30: ... air flow around oven cools electrical components With restricted air flow oven may not operate properly and life of electrical parts is reduced B Allow at least 2 5 1 cm between air discharge on back of oven and back wall C Allow at least 2 5 1 cm of clearance around sides of oven No metal pans DO NOT power spray 2010 ACP Inc Cedar Rapids Iowa 52404 Part No 12804404 Revised 5 10 For full product ...

Page 31: ...ws 60 minutes of heating time Allows 10 minutes of heating time 0 Clean Filter Message OP 00 OP 01 OP 02 OP 03 Do not display message Display message for 24 hours every 7 days Display message for 24 hours every 30 days Display message for 24 hours every 90 days 30 QUICK SET Pad Allows you to reheat for 30 seconds at 100 full power by simply pressing the 30 QUICK SET pad By repeatedly pressing this...

Page 32: ...ss QTY 2X pad 3 Press desired preprogrammed pad or pad sequence 4 Oven begins cooking Displayed cooking time is the total of original cooking time and added 2X time CLEAN FILTER CLEAN FILTER CLEAN FILTER CLEAN FILTER CLEAN FILTER This oven displays CLEAN FILTER at user defined intervals When the message displays ACP recommends cleaning the air filter thoroughly Cleaning the air filter will not shu...

Page 33: ...ep bursts until door is opened 2 Speaker Volume OP 20 OP 21 OP 22 OP 23 Eliminates beep Sets volume to low Sets volume to medium Sets volume to high 3 Key Beep OP 30 OP 31 Prevents beep when pad is pressed Allows beep when pad is pressed 4 Keyboard Enable Window OP 40 OP 41 OP 42 OP 43 15 seconds after oven door is opened keyboard disabled 30 seconds after oven door is opened keyboard disabled 1 m...

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