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2006
International
Countertop
Commercial
Microwave
Ovens

This Base Manual covers general information

Refer to individual Technical Sheet

for information on specific models

This manual includes, but is

not limited to the following:

Service

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

16026969

April 2006

ALD510D

P1331003M

UALD510D

P1331004M

ALD510

P1331005M

UALD510

P1331006M

MLD510D

P1331007M

UMLD510D

P1331008M

MLD510

P1331009M

UMLD510

P1331010M

C O M M E R C I A L    M I C R O W A V E     O V E N

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Summary of Contents for ALD510

Page 1: ...ce This manual is to be used by qualified appliance technicians only Maytag does not assume any responsibility for property damage or personal injury for improper service procedures done by an unquali...

Page 2: ...VIEW ALL APPROPRIATE SERVICE INFORMATION BEFORE BEGINNING REPAIRS WARNING To avoid risk of severe personal injury or death disconnect power before working servicing on appliance to avoid electrical sh...

Page 3: ...ment with a Fully Assembled Oven 18 Record Keeping and Notification After Measurement 18 Troubleshooting Operating Instructions for Holaday HI1501 HI1510 and HI1710 19 Testing Procedures 20 21 Power T...

Page 4: ...4 16026969 2006 Maytag Services Important Safety Information...

Page 5: ...2006 Maytag Services 16026969 5 Important Safety Information...

Page 6: ...6 16026969 2006 Maytag Services Important Safety Information...

Page 7: ...of the equipment compartment Some types of failures will leave a charge in these capacitors and the discharge could cause a reflex action which could make you injure yourself 7 In the area of the tran...

Page 8: ...uring servicing to avoid possible exposure to excessive microwave energy or electrical shock disconnect power to oven A Do not operate or allow oven to be operated with door open B Make the following...

Page 9: ...are and Cleaning section Place radio television etc as far as possible from oven Use a properly installed antenna on radio television etc to obtain stronger signal reception Oven Features Removable Sp...

Page 10: ...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 brea...

Page 11: ...Troubleshooting Procedures Electronic Models Trouble 1 Oven does not operate at all no inputs can be accepted Replace Interlock Switch Assembly Replace Interlock Switch Assembly Replace Control Board...

Page 12: ...Services Troubleshooting Procedures Electronic Models Trouble 2 Display shows all figures selected but does not start cooking even though desired program and time is set when the START pad is pressed...

Page 13: ...2006 Maytag Services 16026969 13 Trouble 3 No microwave when fan motor operates Troubleshooting Procedures Electronic Models Replace Control Board 91 ohms...

Page 14: ...hed 6 Display does not count down or up with time cooking or clock operation 7 Oven is programmed and cooks normally but no display is indicated 8 Display obviously jumps in time while counting down 9...

Page 15: ...uit on the controller since static electric discharge may damage the control panel Always touch yourself to earth while working on this panel to discharge any static charge built up in your body Does...

Page 16: ...lace or repair oven lamp NO If microwave does not oscillate check continuity of filament of magnetron Poor continuity NO Continuity Check continuity filament tap 3 3V of high voltage Replace high Volt...

Page 17: ...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...

Page 18: ...assembled 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 c...

Page 19: ...ns of selection either 0 2 or 0 10 and 0 100 on the Holaday Instruments sensitivity ranges Test probe must be held by the grip portion of the handle otherwise a false reading may result if operators h...

Page 20: ...nd connect ohmmeter to terminals Also check between each terminal and ground Between Terminals Less than 1 Each terminal to ground measures Infinite resistance NOTE This test is not conclusive If oven...

Page 21: ...g the module re connect wires to switch and check operation of monitor circuit before operating the oven Indicates continuity Infinite Infinite Infinite Indicates continuity Infinite Indicates continu...

Page 22: ...1000 ml line with cool tap water 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...

Page 23: ...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...

Page 24: ...elease 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 Slide latch assembly downward and pull away f...

Page 25: ...elease tabs Control Panel Power Knob Timer Knob Timer Coupler Knob Coupler Flat Spring Timer 6 Remove timer knob from timer 7 Remove screws securing timer to control panel and remove timer 8 Remove ti...

Page 26: ...witch Secondary interlock switch Primary interlock switch 7 When proper switch sequence has been achieved tighten the switch bracket securely CAUTION A microwave leakage test must be performed anytime...

Page 27: ...oven and remove outer case see Outer Case section 2 Remove fuse from filter assembly board See caution below 3 Disconnect and label wires from filter assembly 4 Remove screw securing ground wire to ch...

Page 28: ...d condition CAUTION During replacement of magnetron be certain the R F anode gasket is in place around the anode stud W ARNING A microwave leakage test must be performed anytime a magnetron assembly i...

Page 29: ...cup or a thin bladed screwdriver pry upward on front corners 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...

Page 30: ...2006 Maytag Services 16026969 A 1 Appendix A...

Page 31: ...the power level knob to desired power level Power level can be set at Low 17 Defrost 33 Medium 55 Med High 77 or High power 100 3 Turn time entry knob clockwise until desired time displays Cooking tim...

Page 32: ...s POWER pad again until desired power level is shown 4 Press the number pad s to enter a cooking time 5 Press START pad to save new programming changes STAGE 2 shows in the display and a long beep sou...

Page 33: ...ing defrost and stand times by cycling on and off 1 Open oven door and place food in oven Close door 2 Press DEFROST pad DEFROST indicator lights and 0 shows in the display 3 Press the number pad s to...

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