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Maytag ALD510, Руководство по обслуживанию

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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. 

 

©2006 Maytag Services

 16026969 

21

 

Illustration Component 

Testing 

 

Results 

 

High voltage fuse 

Test continuity of terminals. 

Indicates continuity, if not replace 
fuse. 

 

Slow acting relay assembly 

Disconnect black wire from relay and 
measure voltage from neutral (blue wire on 
Filter Assembly) to relay terminal with black 
wire removed. 
Power Out terminals .......................................  

 
 
 
 
230 VAC 
If no power out, replace assembly 

 

Fuse block / Filter assembly 

Power In terminals ..........................................  
Power Out terminals .......................................  

230 VAC 
230 VAC 
If no power in, check power outlet 
If no power out, check fuses 

(Electronic) 

 

Interlock switch assembly 
 

 

Disconnect wires to switch. 
 
With door open measure resistance from: 

Monitor – Terminals 3 - 4 ..........................  
Primary – Terminals 1 - 2 ..........................  
Secondary – Terminals 5 - 6 .....................  
Lamp – Terminals 7 – 8 ............................  
Lamp – Terminals 7 – 9 ............................  

 
With door closed measure resistance from: 

Monitor – Terminals 3 - 4 ..........................  
Primary – Terminals 1 - 2 ..........................  
Secondary – Terminals 5 - 6 .....................  
Lamp – Terminals 7 – 8 ............................  
Lamp – Terminals 7 – 9 ............................  

After verifying or replacing the module, re-
connect wires to switch and check operation of 
monitor circuit before operating the oven.

 

 
 
 
Indicates continuity 
Infinite 

Ω

 

Infinite 

Ω

 

Infinite 

Ω

 

Indicates continuity 
 
 
Infinite 

Ω

 

Indicates continuity 
Indicates continuity 
Indicates continuity 
Infinite 

Ω

 

(Mechanical) 

 

Interlock switch assembly 
 

 

Disconnect wires to switch. 
 
With door open measure resistance from: 

Monitor – Terminals 3 - 4 ........................  
Primary – Terminals 1 - 2 ........................  
Secondary – Terminals 5 - 6 ...................  
 

With door closed measure resistance from: 

Monitor – Terminals 3 - 4 ........................  
Primary – Terminals 1 - 2 ........................  
Secondary – Terminals 5 - 6 ...................  

After verifying or replacing the module, re-
connect wires to switch and check operation of 
monitor circuit before operating the oven.

 

 
 
 
Indicates continuity 
Infinite 

Ω

 

Infinite 

Ω

 

 
 
Infinite 

Ω

 

Indicates continuity 
Indicates continuity 

 

Error codes 

E-20 

  Replace Control Board 

Illustration Component 

Testing 

 

Results 

 
 
 

Keyboard assembly 
 

12
11
10

9
8
7
6
5
4
3
2
1

 

Continuity is indicated as 
100 

Ω

 and below. 

Pad

 

10 ................................  
9..................................  
8..................................  
7..................................  
6..................................  
5..................................  
4..................................  
3..................................  
2..................................  
1..................................  
STOP/RESET .............  
START/+30 SEC .........  
POWER LEVEL ..........  
DEFROST ...................  
CHECK PROGRAM ....  
PROGRAM..................  
QTY 2X .......................  

Trace 

1 & 8 
3 & 9 
2 & 9 
1 & 9 
7 & 8 
6 & 8 
5 & 8 
4 & 8 
3 & 8 
2 & 8 
4 & 9 
5 & 9 
6 & 9 
7 & 9 
1 & 10 
2 & 10 
3 & 10 

Measurement 

Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 

Содержание ALD510

Страница 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...

Страница 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...

Страница 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...

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

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

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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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