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RS5320010

Revision 1

February 1999

Service

International Commercial
Microwave Ovens

This manual is to be used by qualified appliance
technicians only. Amana does not assume any
responsibility for property damage or personal
injury for improper service procedures done by an
unqualified person.

Service Manual for
Amana

®

Menumaster

®

This Base Manual covers International
Microwave Ovens with 230 V, 50 Hz.
Refer to individual Technical Sheet
for information on specific models.
This manual includes, but is not
limited to the following:

UCRC518T2

UCRC514T2

UCRC510T2

UC1800VP

UC1400VP

UC1000VP

CRC518T2

CRC514T2

CRC510T2

DEC1800VP

DEC1400VP

DEC1000VP

UCRC518D

UCRC514D

UC1800D

UC1400D

CRC518D

CRC514D

DEC1800D

DEC1400D

1
2
3
...
»

Содержание CRC510T2

Страница 1: ...e procedures done by an unqualified person Service Manual for Amana Menumaster ThisBaseManualcoversInternational MicrowaveOvenswith230V 50Hz Refer to individual Technical Sheet for information on specific models This manual includes but is not limited to the following UCRC518T2 UCRC514T2 UCRC510T2 UC1800VP UC1400VP UC1000VP CRC518T2 CRC514T2 CRC510T2 DEC1800VP DEC1400VP DEC1000VP UCRC518D UCRC514D...

Страница 2: ...ossible cuts and or abrasions which can occur during servicing External Equipotential Earthing Terminal Equipment has secondary earthing terminal Terminal provides external earthing connection used in addition to earthing prong on plug Located on outside of oven back terminal is marked with symbol shown below Important Information WARNING To avoid risk of electrical shock injury or death make sure...

Страница 3: ...l 26 Inner Door Window Disassembly 26 Door Disassembly 26 Door Handle 26 Hinge 26 Outer Case 26 Door Interlock Switch Adjustment Replacement 27 Back Panel 28 Amana Appliances 2800 220thTrail PO Box 8901 Amana Iowa 52204 Printed in the U S A Top Antenna Assembly gear drive models 28 Top Antenna Assembly direct drive models 28 Bottom Antenna Assembly 28 Oven Tray Removal 28 Stirrer Motor gear drive ...

Страница 4: ...esponsible for any injury or property damage from improper service procedures If preforming service on your own product assume responsibility for any personal injury or property damage which may result To locate an authorized servicer please consult your telephone book or the dealer from whom you purchased this product For further assistance please contact CONSUMER AFFAIRS DEPT OR 1 319 622 5511or...

Страница 5: ...ure that unit does not emit excessive microwave leakage and to meet Department of Health and Human Services guidelines check oven for microwave leakage using Narda Model 8100 8200 Holaday HI1500 HI1501 or Simpson 380M leakage monitor as outlined in instructions Maximum leakage level allowed is 4mw cm2 11 If servicer encounters an emission reading over 4mw cm2 servicer is to cease repair and contac...

Страница 6: ...RS5320010 Rev 1 6 Important Safety Information ...

Страница 7: ...7 RS5320010 Rev 1 Important Safety Information ...

Страница 8: ...RS5320010 Rev 1 8 Important Safety Information ...

Страница 9: ...This equipment including power cord 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 bas...

Страница 10: ...ensils in oven 10 Never use paper plastic or other combustible materials that 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 nylonor other synthetic fibers Heated synthetics could melt and cause paper to ignite 13 Do not heat sealed containers or plastic bag...

Страница 11: ...ntial and it is extremely important that they be grounded before handling Transformer High Voltage High voltage transformer is used in this unit which supplies high voltage A C for operation of the magnetron tube High Voltage Capacitor Doubles the A C output voltage from the high voltage transformer High Voltage Diode Rectifier Is connected at the output side of the high voltage capacitor It chang...

Страница 12: ...ircuit with other equipment an increase in cooking times may be required and fuses can be blown Unpacking Equipment Inspect equipment for damage such as dents in door or dents inside oven cavity Report any dents or breakage to source of purchase immediately Do not attempt to use oven if damaged Remove all materials from oven interior If oven has been stored in extremely cold area wait a few hours ...

Страница 13: ...ove excess water before wiping equipment If desired boil a cup of water in microwave oven to loosen soil before cleaning Do not use abrasive cleansers or cleaners containing ammonia These could damage finish Never pour water into microwave oven bottom Do not use water pressure type cleaning systems Changing Oven Light Bulb CAUTION To avoid electrical shock hazard unplug power cord or open circuit ...

Страница 14: ...rgent Do not use oven without filter in place Remove filter to clean Method 1 1 Open oven door and lift front of oven by pushing up on front of oven cavity ceiling 2 Slide filter down and out of oven frame Pull down on corners of filter 3 Reverse procedure to reinstall Method 2 1 Slide filter to left or right until side of filter frame clears oven frame 2 Pull side of filter frame out of oven fram...

Страница 15: ...e wires from capacitor terminals and connect ohmmeter set on highest resistance scale to terminals Also check between each terminal and capacitor case Between Terminals Meter should momentarily deflect towards zero then return to over 5 MΩ IF no deflection occurs or if continuous deflection occurs replace capacitor Terminal to Case Infinite resistance Snubber assembly Disconnect wires to snubber M...

Страница 16: ...tch With door open measure resistance from Terminal C to NC Monitor Terminal C to NO Primary Terminal C to NO Logic Terminal C to NO Secondary With door closed measure resistance from Terminal C to NC Monitor Terminal C to NO Primary Terminal C to NO Logic Terminal C to NO Secondary Door Closed C C C C NC NO NO NO Primary Secondary Monitor Logic Indicates continuity Infinite Infinite Infinite Infi...

Страница 17: ...ity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Dial panel assembly Continuity is indicated as 100 Ω and below Each pad must be pressed to perform the following test Dial must be rotated to verify continuity A B C 1 7 6 5 4 3 8 9 Dial 25 50 75 100 Start Pad 25 50 75 100 Start Dial Dial Trace 1 3 1 4 1 5 1 6 1 7...

Страница 18: ...on Additional power tests should be made if temperature rise appears marginal NOTE Low line voltage may cause lower power output temperature rise NOTE Always perform 3 tests for accuracy Change the water after each test Temperature Chart ONE MINUTE THREE SECONDS run time chart for units less than 1550 watts cooking power T Cooking T Cooking C Power Output C Power Output 7 490 15 1050 8 560 16 1120...

Страница 19: ...ent must be strictly observed In addition the leakage reading must be recorded on the service repair ticket while at the customer s location Equipment Electromagnetic radiation monitor 600 cc glass beaker Procedure For Measuring Radiation Leakage Note before measuring Do not exceed meter full scale deflection Leak monitor should initially be set to the highest scale To prevent false readings the t...

Страница 20: ...ys click Open fuse Open oven TCO Open top magnetron TCO 1 2 3 NO Apply power with door closed Open bottom magnetron TCO Inoperative logic switch Inoperative control board Broken or improper wire connections 4 5 6 7 Proceed to Standby condition YES Display 8 Open line filter ...

Страница 21: ...on Yes Yes b READY Open oven door Oven light is on Stirrer motor operates Inoperative light bulb Inoperative light scoket Broken or improper wire connections 1 2 3 4 Inoperative stirrer motor Binding gears some models Broken or improper wire connections 1 2 3 Inoperative logic switch Inoperative control board Broken or improper wire connections 1 2 3 NO Inoperative control board NO NO NO Yes Yes D...

Страница 22: ...fy by performing power test One inoperative diode One inoperative capacitor One inoperative magnetron Inoperative or misadjusted interlock switch assembly Broken or improper wire connection 1 2 3 4 5 No heat Inoperative triac Inoperative diodes Inoperative capacitors Inoperative control board Inoperative or misadjusted interlock switch assembly 1 2 3 5 6 Inoperative high voltage transformer 4 Oven...

Страница 23: ... Open fuse Open oven TCO Open top magnetron TCO 1 2 3 NO Apply power with door closed Open bottom magnetron TCO Inoperative logic switch Inoperative control board Broken or improper wire connections 4 5 6 7 Proceed to Standby condition YES Display 8 Open line filter ...

Страница 24: ...d to Cook Condition Yes Yes Open oven door Oven light is on Stirrer motor operates Inoperative light bulb Inoperative light socket Broken or improper wire connections 1 2 3 4 Inoperative stirrer motor Broken or improper wire connections 1 2 Inoperative logic switch Inoperative control board Broken or improper wire connections 1 2 3 NO Inoperative control board NO NO NO Yes Yes Display ...

Страница 25: ... or misadjusted interlock switch assembly Broken or improper wire connection 1 2 3 4 5 No heat Inoperative triac Inoperative diodes Inoperative capacitors Inoperative control board Inoperative or misadjusted interlock switch assembly 1 2 3 5 6 Inoperative high voltage transformer 4 Oven is operating properly NOTE Shut down after cook cycle door closed 30 seconds Shut down door open approximately 5...

Страница 26: ...ove door from unit and lay door on padded surface Inner Door Window Disassembly 1 Open oven door 2 Loosen screws on hingeside 3 4 turns Do not remove screws 3 Beginning at the bottom carefully insert 1 putty knife between inner and outer door Pry up on inner door to release tabs 2 clips per side Work in a clockwise direction to release all tabs see illustration below 1 2 3 4 Tabs Loosen screws onl...

Страница 27: ...d the oven cavity and tighten 4 door hinge bolts 7 Remove shim on hinge side of door only 8 Open and close door observing switch activation Door is properly adjusted when primary and secondary switch plungers are fully depressed with the door closed 9 If switch requires adjustment Open oven door Loosen switch mounting screws Position interlock switch assembly all the way towards the front of the o...

Страница 28: ...eat gun heat front edge of tray while at the same time appling upward pressure to release tray from oven cavity 3 Remove excess RTV 4 Using mineral spirits or non flammable degreasing solvent clean oven cavity where new RTV will make contact 5 Install tray and apply RTV to all edges of the tray remove excess RTV NOTE Allow RTV to set for 1 hour before using Stirrer Motor gear drive models 1 See Co...

Страница 29: ...and remove magnetron Remove duct work screws in sequence shown 1 2 3 NOTE When replacing magnetron verify wire mesh gasket is reinstalled properly 8 Proceed to Door Interlock Switch Adjustment procedure NOTE When the line fuse is blown replace interlock switch assembly Monitor Primary Logic Secondary Mounting screws Magnetron Cutout TCO 1 See Component Location Figure 3 for location 2 Unplug power...

Страница 30: ...on for location 2 Pull blade off shaft 3 When reinstalling blade push blade on shaft and rotate to insure clearance between fan blade and wire terminals Transformer 1 See Component Location Figure 3 for location 2 Unplug power cord from power source 3 Remove outer case and back panel 4 Remove screws securing transformer to chassis 5 Pry upward and back to release transformer from chassis 6 Remove ...

Страница 31: ...ight bulb to cool Wear gloves when replacing light bulb Tools Needed Protective gloves Phillips screwdriver 25 watt 230 volt appliance bulb available from authorized distributor or servicer 1 Remove screw from access cover on back panel of oven exterior Slide access bracket out 2 Remove old bulb and replace with new bulb 3 Replace access cover and screw by reversing procedure in step 1 Line Filter...

Страница 32: ...h disconnect power to oven and discharge capacitors before following any disassembly procedure RS5320010 Rev 0 32 Component Location Figure 1 Touch panel Antenna assembly bottom Grease Shield Diodes Interlock switch assembly Antenna assembly top Screws Antenna cradle Clip Hub Motor shaft Stop ...

Страница 33: ... injury or death disconnect power to oven and discharge capacitors before following any disassembly procedure 33 RS5320010 Rev 0 Figure 2 Magnetrons Triac Gear drive motor Spur gears Snubber Insulator Nylon spacer beveled edge down Flat washer Direct drive antenna motor assembly ...

Страница 34: ... capacitors before following any disassembly procedure RS5320010 Rev 0 34 C o n t r o l l e r b o a r d F u s e C a p a c i t o r s C a v i t y t h e r m a l c u t o u t M a g n e t r o n t h e r m a l c u t o u t s T r a n s f o r m e r P o w e r c o r d M o u n t i n g b r a c k e t B l o w e r m o t o r I n s u l a t o r Figure 3 ...

Страница 35: ...A 1 RS5320010 Rev 1 Appendix A ...

Страница 36: ...to enter times for Manual Time Entry cooking POWER LEVEL Use to select power level Oven can heat at full or reduced power If oven power level is set to 0 oven does not heat for programmed time Adjust power in increments of 10 If no power level is selected oven operates at 100 power START Use to start Manual Time Entry program or restart interrupted cooking cycle Use to advance to next user option ...

Страница 37: ...evel digit or blank space shows above COOK LEVEL in display Blank space indicates full power Pb or Pd Indicates programming mode and current menu See Programming section of manual for programming procedure bP1 Indicates menu b in programming mode and stage 1 The smaller 1 indicates pad 1 is being programmed OP 11 Indicates programming user options mode See User Options section of manual for progra...

Страница 38: ... power level 8 Press START pad to save new heating time and power level in oven memory 9 Press RESET pad or close oven door to exit programming mode Multiple Heating Stages 1 Open oven door 2 Press pad 1 for approximately 5 seconds 3 Press MENU b d pad to select preprogrammed menu if necessary 4 Press desired number pad 5 Press number pads to enter desired cooking time 6 Press POWER LEVEL pad if p...

Страница 39: ...ory Pads Heating Times 1 10 seconds 2 20 seconds 3 30 seconds 4 45 seconds 5 1 minute 6 1 minute 30 seconds 7 2 minutes 8 3 minutes 9 4 minutes 0 5 minutes Operating Preprogrammed Pads Equipment has 2 menus with 10 preprogrammed number pads Instructions are written for factory programmed ovens Ovens that are reprogrammed can respond differently than described below 1 Open oven door place food in o...

Страница 40: ...LEVEL and current power level if other than 100 percent power 5 Press number pad to enter desired power level For example pressing 2 pad is 20 percent power 6 Press START pad Oven operates and time counts down Display shows heating time POWER COOK LEVEL Display shows POWER only when microwave energy is present If power level other than 100 percent power was programmed display shows COOK LEVEL and ...

Страница 41: ...te If door is closed or RESET pad is pressed before finishing programming sequence oven exits programming mode 2 Press and hold pad 1 for approximately 5 seconds After 5 seconds signal sounds Display shows Pb or Pd indicating b or d menu 3 Press desired number pad Display shows heating time COOK LEVEL and power level if other than 100 percent power 4 Press MENU b d pad dddd and pad number show in ...

Страница 42: ... seconds of heating time Allows 10 minutes of heating time 4 OP 40 OP 41 Prevents signal when pad is pressed Allows signal when pad is pressed 5 OP 50 OP 51 Allows oven to resume heating time countdown after door is opened during cycle Cancels heating time count down after door is opened during cycle 6 OP 60 OP 61 Allows use of power levels Prevents use of power levels 7 OP 70 OP 71 OP 72 OP 73 El...

Страница 43: ...B 1 RS5320010 Rev 1 Appendix B ...

Страница 44: ...disappears when heating with reduced power Turn to add or subtract heating time Time can be added or subtracted while cooking As time is added the time increments increase Time Increments 0 1minute 2 second increments 1 3 minutes 5 second increments 3 5 minutes 10 second increments 5 10 minutes 15 second increments Time Entry Dial 10 30 minutes 30 second increments Power Level Pads Press to select...

Страница 45: ... open oven door and press START pad Repeat Feature When the oven door is open after a heating cycle is complete the oven displays the time and power level for the last heating cycle The oven retains the time set when a heating cycle begins and the last power level used before the cycle ends Close oven door and press START pad to begin another heating cycle with the same time and power level The di...

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