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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.

16400005

©2009 ACP, Inc.

26

Illustration Component

Testing

Results

Thermal cutout

Disconnect all wires from TCO.
Measure resistance across terminals.
Cavity TCO .............................................

Magnetron TCO ......................................

Closed at 122ºF (50ºC) and
Opens at 185ºF (85ºC)
Closed at 249ºF (115ºC) and
Opens at 320ºF (160ºC)

Diode

Discharge Capacitor

Remove diode lead from capacitor and
connect ohmmeter.

Reverse leads for second test.

Infinite resistance should be
measured in one direction and 50K

Ω

or more in the opposite direction.

NOTE:

Ohmmeter must contain a

battery of 6 volts minimum.

Capacitor

Discharge Capacitor

Remove 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 M

Ω

. 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 conclusive. If

oven does not heat and all other
components test good replace the
magnetron and retest.

Blower motor

Remove all wires from motor.

Measure resistance across coil ..............

Approximately 44

Ω

Stirrer motor

Remove all wires from motor.

Measure resistance across terminals .....

Approximately 3.8K

Ω

Secondary

Filament

Primary

Transformer

Discharge Capacitor

Remove all wires from terminals.

Measure resistance from:

Primary ..................................................
Filament.................................................
Secondary to Ground screw on
transformer stack...................................

Less than <1

Ω

Less than <1

Ω

Approximately 110

Ω

Dial timer

Remove leads from timer contact
terminals.
Measure resistance of following
terminals:

3 to 4

⎯

Timer in OFF position .................

3 to 4

⎯

Timer in ON position ...................

2 to 3

⎯

Timer in OFF or ON position ......

If timer does not indicate readings
below, replace timer.

Infinite

Ω

Approximately <1

Ω

Approximately 3.3 K

Ω

(timer motor)

Lamp and receptacle

Test continuity of receptacle terminals.

Indicates continuity with bulb
installed.

Wire Harness

Test continuity of wires

Indicates continuity

Electronic

control

board

Test interlock assembly switches.
Test cavity TCO.

If interlock switch assembly and
cavity TCO is operating correctly. If
the control board still has no display,
replace control board.

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Содержание ALD 10D P1331011M

Страница 1: ...al covers general information Refer to individual Technical Sheet for information on specific models This manual includes but is not limited to the following Service 16400005 May 2009 ALD10DT P1331001M ALD10T P1331002M ALD 10D P1331011M ALD10D P1331019M ...

Страница 2: ...BILITY TO REVIEW ALL APPROPRIATE SERVICE INFORMATION BEFORE BEGINNING REPAIRS To avoid risk of severe personal injury or death disconnect power before working servicing on appliance to avoid electrical shock To locate an authorized servicer please consult your telephone book or the dealer from whom you purchased this product For further assistance please contact Service Support Center Contact your...

Страница 3: ...ocedure For Measuring Radiation Leakage 22 Measurement With the Outer Panel Removed 22 Measurement With a Fully Assembled Oven 22 Record Keeping and Notification After Measurement 22 Troubleshooting Operating Instructions for Holaday HI1501 HI1510 and HI1710 23 Testing Procedures 24 25 Power Test 26 Table of Contents Disassembly Procedures Disconnecting Wire Terminals 27 Outer Case 27 Door Assembl...

Страница 4: ...an emission reading over 4mw cm2 the servicer is to cease repair and contact the Amana Service Department immediately for further direction Amana Manufacturing will contact the proper Government Agency upon verification of the test 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 mic...

Страница 5: ...alified 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 co...

Страница 6: ...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 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 ...

Страница 7: ...ns 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 electri...

Страница 8: ...l outlet must always be wired as shown below Explanation Polarization This means that the larger slot must be neutral and the small slot must be hot live Mispolarized The outlet is miswired so that the larger slot is hot live and the smaller slot is neutral Grounded This means the round hole connection is connected to earth ground through a connection to the main power panel Ungrounded The round h...

Страница 9: ...ing surfaces of oven according to instructions in Care 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 Model Identification For Amana product call 1 866 426 2621 or visit the Web Site at www amanacommercial com When contacting for service support provide product i...

Страница 10: ... static charge built up in your body Troubleshooting Procedures CAUTION y d e m e R e s u a C n o i t i d n o C 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...

Страница 11: ... primary winding of low voltage transformer Located on control board Failed high voltage capacitor Normal Replace Disconnect one side of the lead wire connected form high voltage transformer to the high voltage capacitor and operate the unit Continuity Failed high voltage transformer Fuse blows Again Replace Replace Interlock Switch Assembly Replace Interlock Switch Assembly Replace Control Board ...

Страница 12: ...ntinuity of primary interlock switch Malfunction of primary interlock switch RESULT No Continuity CAUSE REMEDY Adjust or replace Oven lamp does not turn on Check continuity of secondary interlock switch Malfunction of secondary interlock switch No Continuity Adjust or replace Check D C voltage being supplied to RELAY RY2 coil Failed touch Panel 0 V Replace Faulty contacts of RELAY RY2 or open rela...

Страница 13: ...ct meter leads to magnetron terminal and magnetron body Continuity Failed magnetron Replace Check resistance of primary and secondary coil of high voltage transformer 0 or Failed high voltage transformer Replace Check continuity of magnetron with wires removed No Continuity Failed magnetron Replace Check continuity of filament terminal of high voltage transformer No Continuity Failed high voltage ...

Страница 14: ... 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 Display counts down too fast while cooking 10 Display does not show the time of day when clear pad is touched 11 Oven lamp and turntable motor do not stop although cooking is finished Check if RELAY 2 c...

Страница 15: ... 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 the fuse blow NO NO NO Does the fan motor work when you shut the door and turn the timer YES If outlet has proper voltage check continuity of power supply cord Replace power supply cord NO Continuity Che...

Страница 16: ...e 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 Voltage transformer No Continuity Continuity Check continuity filament tap 3 3V of high voltage Replace high Voltage transformer Continuity in the reverse direction Replace magnetron Normal reading should be...

Страница 17: ...ol panel Always touch yourself to earth while working on this panel to discharge any static charge built up in your body Trouble 1 Oven does not operate at all no inputs can be accepted CONDITION CHECK Check continuity of interlock monitor switch with door closed Check continuity of of primary interlock switch contact with door partially open until interlock monitor switch contact close Malfunctio...

Страница 18: ...eplace Defective touch control circuit Normal Replace CONDITION CHECK Check continuity of primary interlock switch Malfunction of primary interlock switch RESULT No Continuity CAUSE REMEDY Adjust or replace Oven lamp does not turn on Check continuity of secondary interlock switch Malfunction of secondary interlock switch No Continuity Adjust or replace Check D C voltage being supplied to RELAY RY3...

Страница 19: ...ction Defective high voltage rectifier Replace Connect megger leads to magnetron terminal and magnetron body Continuity Defective magnetron Replace Check resistance of primary and secondary coil of high voltage transformer 0 or Defective high voltage transformer Replace Check continuity of magnetron with wires removed No Continuity Defective magnetron Replace Check continuity of filament terminal ...

Страница 20: ... Oven is programmable and cooks normally but no display shows 6 Display obviously jumps in time while counting down 7 Display counts down noticeable too fast while cooking 8 Oven lamp and turntable motor do not stop although cooking is finished Check if the RELAY 3 contacts close if they are close replace touch control circuit CONDITION CHECK Check the dial contacts and LED lights on touch control...

Страница 21: ... 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 shippin...

Страница 22: ...mbled 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 measuring the leak...

Страница 23: ...f 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 hand is between the handle and probe If oven is likely to have a large amount of leakage approach oven slowly with the probe while observing meter This is achieved by holding the probe two or three feet fr...

Страница 24: ...nect 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 Remove all wires from motor Measure resistance across coil Approximately 44 Ω Stirrer motor Remove all wires...

Страница 25: ... 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 repl...

Страница 26: ...000 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 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 ...

Страница 27: ...er source and discharge capacitor 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 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 scre...

Страница 28: ...ge test must be performed anytime a door assembly is removed replaced disassembly or adjusted for any reason Door Assembly A microwave leakage test must be performed anytime a door assembly is removed replaced disassembled or adjusted for any reason Door Removal 1 Disconnect power to oven 2 Remove outer case see Outer Case procedure 3 Remove screws securing top hinge stopper to unit cavity 4 Remov...

Страница 29: ...er Case procedure 2 Disconnect and label wires from control 3 Open oven door 4 Remove screw securing control panel to cavity Lift control panel up and out to release tabs 5 Remove timer knob from timer 6 Remove screws securing timer to control panel and 7 Remove timer couple from timer 8 Remove screw securing knob coupler and flat spring from control panel 9 Replace component and reverse procedure...

Страница 30: ...r Case procedure 2 Loosen switch bracket mounting screws 3 Close oven door move switch bracket toward rear of oven until door gap is less than 1 64 inch 0 5 mm 4 Hold switch bracket securely for proper switch operation and door fit retighten screws 5 Open oven door slowly watching the switches Verify switches release in the following order Primary interlock switch Secondary interlock switch Interl...

Страница 31: ... to mounting screws 5 Remove screws securing transformer and remove 6 Replace transformer and reverse procedure to reassemble Filter Assembly Fuse 1 Disconnect power to 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 chassis 5 Carefully press tabs to...

Страница 32: ...nectors must be tight Tray Replacement 1 Unplug oven from outlet 2 Using a suction 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 mineral spirits or any nonflammable degreasing solvent NOTE Detergents soap and water are not sufficient to remove oi...

Страница 33: ... 2009 ACP Inc 16400005 A 1 Appendix A ...

Страница 34: ...closeovendoor 2 Turn the power level knob to desired power level Power level can be set at Low 17 Defrost 33 Medium 55 Med High 77 orHighpower 100 3 Turn time entry knob clockwise until desired time displays Cooking time can be set up to 10 minutes If turning the timer knob for less than 2 minutes turn it past 2 minutes and then back to the desired time 4 Ovenbeginsoperationandtimecountsdown 5 Whe...

Страница 35: ...rlevelisdisplayed Forlessthan100 press POWERpadagainuntildesiredpowerlevelisshown 4 Pressthenumberpad s toenteracookingtime 5 PressSTARTpadtosavenewprogrammingchanges STAGE 2 showsinthedisplayandalongbeepsounds 6 Repeat steps 3 5 to program in stage two or three AftertouchingSTARTpadtosavenewprogramming changesin2stage STAGE 3 showsinthedisplay AftertouchingSTARTpadtosavenewprogramming changesin3s...

Страница 36: ...imeintoperiods ofalternatingdefrostandstand times by cycling on and off 1 Openovendoorandplacefood inoven Closedoor 2 PressDEFROSTpad DEFROSTindicatorlightsand 0 shows in the display 3 Press the number pad s to enterthedesireddefrosting time 4 PressSTARTpad 5 Oven begins to cycle The display counts down the time to show you how much defrosting time is left in the DEFROSTmode NOTE Ovenbeepsduringth...

Страница 37: ...ntry knob until desired time is illuminated Cooking time can be set up to 10 minutes Knob must be turned within 1 minute of opening and closing door otherwise time entry will be disabled 4 Ovenbeginsoperationimmediatelyandtimecountsdown 5 Whencookingtimeelapsed microwaveenergystopsandovensignal sounds Interrupting Operation Openovendoortointerruptoperationorturntimeentryknobcounterclockwise to 0 I...

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