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Amana DEL10D, Сервисная инструкция

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Component 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 it.

©2003 Maytag Appliances Company

16022150 Rev. 0

17

Illustration

Component

Test

Results

Thermal cutout

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

Cavity TCO .................................................

Open at (145

°

C) 293

°

F and

closed at (85

°

C) 185

°

F

Opens at (110

°

C) 230

°

F

Capacitor

Discharge Capacitors

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

Diode assembly

Discharge Capacitors

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: Analog meter must contain a
battery of 6 volts minimum.

Magnetron

Discharge Capacitors

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 re-test.

Turntable motor

Remove all wires from terminals.

Measure resistance from:
Terminal to terminal

Approximately 12

−

14 K

Ω

Fan motor

Remove all wires from motor.

Measure resistance across coil.

Approximately 350

−

450

Ω

Secondary

Primary

Filament

Transformer

Discharge Capacitors
Remove all wires from terminals.

Measure resistance from:

Primary....................................................
Secondary to transformer base plate......
Filament ..................................................

Approximately 1.4 – 2.2

Ω

Approximately 90 - 110

Ω

<1

Ω

Secondary

switch

Monitor
switch

Primary
switch

COM

NO

NO

COM

COM

NC

Interlock switches

Disconnect wires to switch

With door open measure resistance from:

COM to N.O.

Primary .............................

COM to N.C.

Monitor..............................

COM to N.O.

Secondary ........................

With door closed measure resistance from:

COM to N.O.

Primary .............................

COM to N.C.

Monitor..............................

COM to N.O.

Secondary ........................

Infinite

Ω

0

Ω

Infinite

Ω

0

Ω

Infinite

Ω

0

Ω

Содержание DEL10D

Страница 1: ...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 16022150 Revision 0 January 2003 LD510D P1329704M LD510P P1329705M DEL10D P1329706M DEL10E P1329707M C O M M E R C I A L M I C R O W A V E O V E N MENUMASTER ...

Страница 2: ...NING REPAIRS WARNING 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 Customer Service Support Center CAIR Center Web Site Telephone Number WWW AMANA COM 1 800 84...

Страница 3: ... For Measuring Radiation Leakage 20 Measurement With the Outer Panel Removed 20 Measurement With a Fully Assembled Oven 20 Record Keeping and Notification After Measurement 20 Disassembly Procedures Disconnecting Wire Terminals 21 Door Assembly 21 Door Disassembly 22 Outer Case 22 Control Panel 22 Controller Removal Electronic Models 23 Key Pad Removal 23 Timer Removal Dial Models 23 Interlock Swi...

Страница 4: ...4 16022150 Rev 0 2003 Maytag Appliances Company Important Safety Information ...

Страница 5: ... 2003 Maytag Appliances Company 16022150 Rev 0 5 Important Safety Information ...

Страница 6: ...6 16022150 Rev 0 2003 Maytag Appliances Company Important Safety Information ...

Страница 7: ...rtment 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 transformer capacitor diode and magnetron there is HIGH VOLTAGE When the unit is operating keep this area clean and free of anything which could possibly cause an arc or earthing etc 8 Do not for any reason defeat the interloc...

Страница 8: ...efore and during 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 safety checks on all ovens to be serviced before activating the magnetron or other microwave source and make repairs as necessary Interlock operation Proper door closing Seal and sealing su...

Страница 9: ...oor Radio Interference Microwave oven operation may cause interference to radio television or similar equipment Reduce or eliminate interference by doing the following Clean the door and sealing surfaces of microwave oven according to instructions in Care and Cleaning section Place radio television etc as far as possible from the microwave oven Use a properly installed antenna on radio television ...

Страница 10: ...pment requires a 230 VAC 50 Hz 13 amp power supply Receptacle Plug 230 V 16 AMP Equipment requires a 230 VAC 50 Hz 16 amp power supply Do not use a extension cord If the product power cord is too short have a qualified electrician install a three prong receptacle This unit should be plug into a separate 230 VAC 50 Hz power supply If other equipment is on the same circuit an increase in cooking tim...

Страница 11: ...n this panel 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 inpu...

Страница 12: ...ith clock 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 Failed controller Rep...

Страница 13: ...ler Check 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 capa...

Страница 14: ...tinuity of 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...

Страница 15: ...e in supply 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 one minute Refer to Aman...

Страница 16: ...high voltage 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 cont...

Страница 17: ...r more in the opposite direction NOTE Analog meter must contain a battery of 6 volts minimum Magnetron Discharge Capacitors 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 ...

Страница 18: ...iate cook cycle NOTE Fan relay remains energized for 60 seconds following cook cycle Line voltage input to control transformer Infinite Ω 1 Ω Power levels for Relay 2 Power Cycles Cycles Level On for Off for 20 6 sec 16 sec 40 10 sec 12 sec 60 14 sec 8 sec 80 18 sec 4 sec 100 22 sec 0 sec Infinite Ω 1 Ω L N L N Fuse Fuse block Filter board Disconnect wire from terminals Measure resistance of the f...

Страница 19: ... NOTES The IEC 705 test method requires precision measurements and equipment It is not practical to perform the IEC test in the field To convert the traditional power test results to the approximate IEC 705 rating take the traditional power test results and add 100 watts per magnetron for the unit being tested Example 840 watts output using the traditional power test for model LD510P 100 watts 1 m...

Страница 20: ... fully assembly oven before the latch switch primary is interrupted while pulling the door 4mW 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...

Страница 21: ...ire 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 Door Assembly CAUTION A microwav...

Страница 22: ... see Door Removal 3 Begin at the bottom of the door near hinge insert flat blade screwdriver between choke cover and outer 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 Slide latch assembly upward and pull away from door frame to release tabs ...

Страница 23: ...flex controller Key Pad Removal 1 Disconnect power to oven and remove outer case see Outer Case procedure 2 Remove control panel see Control Panel section 3 Disconnect ribbon connector 4 Peel off failed key pad from control panel 6 Reassemble in reverse order Timer Removal Dial Models 1 Disconnect power to oven and remove outer case see Outer Case procedure 2 Remove control panel see Control Panel...

Страница 24: ...ly connected For door fit and switch operation switch bracket is adjustable 1 Disconnect power to oven and remove outer case see Outer 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 s...

Страница 25: ...ven to remove 5 Reassemble in reverse order Fuse Fuse Removal Fuse is located on the noise filter board 1 Disconnect power to oven and remove outer case see Outer Case section 2 Remove and replace fuse reassemble in reverse order CAUTION Before replacing a blown monitor fuse test the primary interlock switch secondary interlock switch monitor switch and power relay contacts for proper operation If...

Страница 26: ...e order Motor Fan shroud Rear air guide Blade Cavity Thermostat The cavity thermostat is located on top left side of cavity Thermostat is a non resettable thermostat 1 Disconnect power to oven and remove outer case see Outer Case section 2 Discharge high voltage capacitor see High Voltage Capacitor section 3 Carefully bend one tab to release thermostat 4 Disconnect wires from oven thermostat and r...

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