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Maytag MGR5775QD Service Manual Download Page 16

Testing Procedures 

 

!

WARNING

 

To avoid risk of electrical shock, personal injury or death; disconnect power to oven before servicing, unless  
testing requires power. 

16 

16022498   Rev. 0 

©2003 Maytag Appliances Company

 

 

Illustration Component 

Test 

Procedure 

Results 

 

 

Oven light socket 

Test continuity of receptacle terminals. 
 
Measure voltage at oven light. 

Indicates continuity with bulb screwed in. 
 
120 VAC, see wiring diagram for terminal 
identification. 
If no voltage is present at oven light 
check wiring. 

 

NC

NO

C

 

Door plunger switch 

Remove switch from unit and measure 
the following points: 
C-NO 

 
 
Plunger in continuity, Plunger out infinite. 

 

   

 

Rocker switch 

Measure continuity of switch positions: 

Closed .............................................. 
Open ................................................. 

 
Continuity 
Infinite 

 

COM

NO

NC

 

Door light switch 

Switch connection in following 
positions: 
Not engaged 
Engaged 

Normally Open 
 
COM-NO=Open, COM-NC=Closed 
COM-NO=Closed, COM-NC=Open 

 

 

Autolatch assembly 
with switch 

Disconnect wires and test for 
continuity per wiring diagram. 

See wiring diagram for schematic layout. 
 
Refer to Parts Manual for correct 
autolatch switch. 

 

 

Bake burner 

Verify gas is supplied. 
 
Orifice adjusted for Natural or LP. 
 
Check for obstructions, contamination 
in ports or damage. 

 
 
Clean with hot soapy water and dry 
completely. 
 
Replace if punctured or torn. 

 

 

Broil burner 

Verify gas is supplied. 
 
Verify proper orifice installed for 
Natural or LP. 
 
Check for obstructions, contamination 
in ports or damage. 

 
 
Clean with hot soapy water and dry 
completely. 
 
Replace if punctured or torn. 

 

 

Ignitor 

Test for voltage at terminals ............... 
 
Test for the amount of amperage in the 
circuit.................................................. 
(Ignitor may glow, but not have 
sufficient amperage to open valve). 

120 VAC 
 
 
3.2

−

3.6 Amps. 

 

 

 

Temperature sensor 

Measure resistance. 
 

Approximately 1100 

Ω

 at room 

temperature 80

º

F. 

 

 

 

Convection motor fan 

Verify supply voltage ........................  
 
Measure continuity at the following 
points: 
Terminal to terminal..........................    
Terminal to ground ...........................  

120 VAC 
 
 
 
Continuity 
Infinite 

 

 

Convection element 

Test continuity of terminals...............  
 
Test voltage to terminals ..................  

Approximately 14 

Ω

 - cold 

 
120 VAC 

Summary of Contents for MGR5775QD

Page 1: ...l 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 ...

Page 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...

Page 3: ...acing Range 29 Front Control Panel 29 Maintop Assembly 29 Control Panel 29 Control Board Assembly 29 Rocker Switch 29 Top Surface Valve and Spark Switch 29 Top of Surface Burner 29 Bottom of Surface Burner 29 Oven Sensor 30 Convection Fan Assembly 30 Bake Burner and Ignitor 30 Broiler Burner and Ignitor 30 Valve Regulator Assembly 30 Automatic Oven Door Latch Assembly 30 Spark Module 30 Door Plung...

Page 4: ...operty damage personal injury or death verify wiring is correct if components were replaced Verify proper and complete operation of unit after servicing WARNING This gas appliance contains or produces a chemical or chemicals which are known to the state of California to cause cancer birth defects or other reproductive harm To reduce the risk from substances in the fuel or from fuel combustion make...

Page 5: ...ligation to have an ungrounded outlet replaced with a properly grounded three prong outlet in accordance with the National Electrical Code Do not use an extension cord with this appliance Insure all packing materials are removed from the range before operating it to prevent fire or smoke damage should the packing material ignite Ensure range is correctly adjusted by a qualified service technician ...

Page 6: ...s unlikely if one occurs proceed as follows Oven Fires 1 If you see smoke from oven do not open oven door 2 Turn oven control to OFF 3 As an added precaution turn off gas supply and power at main circuit breaker or fuse box 4 Turn on vent to remove smoke 5 Allow food or grease to burn itself out in oven 6 If smoke and fire persist call fire department 7 If there is any damage to components call re...

Page 7: ...r other flammable vapors and liquids near or in oven Do not clean oven door gasket located on back of the door Gasket is necessary to seal the oven and can be damaged as a result of rubbing or being moved Do not drape towels or any materials on oven door handles These items may ignite causing a fire CAUTION Do not store items of interest to children in cabinets above range Children may climb on ov...

Page 8: ... UNDER ANY CIRCUMSTANCES CUT OR REMOVE THE THIRD GROUND PRONG FROM POWER CORD For 15 amp circuits only Do not use an adapter on 20 amp circuit Where local codes permit a TEMPORARY CONNECTION may be made to properly grounded two prong wall receptacle by the use of a UL listed adapter available at most hardware stores Larger slot on adapter must be aligned with larger slot in the wall receptacle to ...

Page 9: ...ural or LP After servicing a valve or orifice verify it is properly operating before completing service Oven Safety Valve Oven valve is designed to be a safety valve Two basic designs are used in gas ranges Hydraulic type valve Electric type valve Both types are safety valves because they are indirectly operated by the oven thermostat which controls a pilot flame or electric ignitor to open and cl...

Page 10: ...nit is Color A Almond on Almond B Black C Brushed Chrome H Traditional White L Traditional Almond P Prostyle Q Monochromatic Bisque S Stainless T Traditional Bisque W White on White F Frost White True Color White N Natural Bisque True Color Bisque This manual provides basic instructions and suggestions for handling installing and servicing gas ranges The directions information and warnings in this...

Page 11: ...the heater which causes the bi metal to bend At a point the ignitor resistance will have increased to approximately 3 5 amps of current flow through the ignitor gas valve circuit In approximately 45 seconds the glow bar ignitor temperature will have increased to approximately 2650 F the voltage drop across the gas valve terminals will have increased to about 3 VAC which will indicate enough curren...

Page 12: ...eb Site at www amana com For Maytag Jenn Air product call 1 800 462 9824 or visit the Web Site at www maytag com or www jennair com For product in Canada call 1 866 587 2002 or visit the Web Sites at www amana com or www maytag com or www jennair com Warranty service must be performed by an authorized servicer We also recommend contacting an authorized servicer if service is required after warrant...

Page 13: ...erify all terminals and connections are correct and tight Check module according to testing procedures information Clean electrode or burner cap Replace electrode No spark or only random spark at one ignitor Check for cracked ignitor or pinched ignitor wire Poor continuity to burner cap Bad ground connection or lack of continuity to ground or ignitor Cracked or broken ignitor extension lead Replac...

Page 14: ...gnitor closer to bake broil burner Clean orifice or burner Check for correct gas pressure Natural gas pressure should be 4 WCP and LP gas pressure should be 10 WCP Verify power is present at unit Verify that the circuit breaker is not tripped Replace household fuse but do not fuse capacity Broil burner shuts off shortly after the start of self clean operation Bake and broil functions operate norma...

Page 15: ... Check wiring diagram for application Self clean cycle not working Programming error Shut off power to oven for five minutes by switching off circuit breaker Reset circuit breaker and try oven again Oven door will not unlock Oven is self cleaning Oven is still hot Allow cycle to complete Door will not unlock until unit has cooled to safe temperature Do not force door open this will void warranty B...

Page 16: ...switch Disconnect wires and test for continuity per wiring diagram See wiring diagram for schematic layout Refer to Parts Manual for correct autolatch switch Bake burner Verify gas is supplied Orifice adjusted for Natural or LP Check for obstructions contamination in ports or damage Clean with hot soapy water and dry completely Replace if punctured or torn Broil burner Verify gas is supplied Verif...

Page 17: ...ity Holder orifice Verify gas pressure WCP Check orifice for debris 4 Natural 10 LP Propane Clean as needed Spark ignition electrode Test for resistance of spark lead Test ignitor to chassis Continuity No continuity from ignitor to chassis 270 valve Verify gas is supplied Verify Orifice for Natural or LP Adjust set screw for simmer control Fixed orifices for Natural or LP See conversion section Sp...

Page 18: ...y Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Matrix Control Panel Assembly Continuity is indicated as follows 1000 6600 Ω for Cancel pad 1000 15000 Ω for All other pads 1 16 9 8 Pad 1 2 3 4 5 6 7 8 9 0 Cancel Clock Cook Hold Broil Bak...

Page 19: ...ontinuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Matrix Control Panel Assembly Continuity is indicated as follows 1000 6600 Ω for Cancel pad 1000 15000 Ω for All other pads 1 16 9 8 Pad 1 2 3 4 5 6...

Page 20: ...y H1 Controlled Factory Default Press and hold Cancel and Keep Warm pads for 3 seconds Allows the clock to be reset to factory settings H1 Controlled Twelve hour off Control will automatically cancel any cooking operation and remove all relay drives 12 hours after the last pad touch See Sabbath mode to disable H1 Controlled Sabbath Mode Hold CLOCK pad for 3 seconds to activate Sabbath mode Hold CL...

Page 21: ...L relay activated COOK HOLD Displays last diagnostic code FAVORITE Displays EEPROM version number TIMER Displays main code version number CLOCK All display segments illuminated OVEN LIGHT Oven light activated CANCEL Exit Quick Test mode 1 Even segments on 2 Odd segments on 3 Convection Ring activated Convection Ring DLB activated 4 Bake relay activated 5 Broil relay activated 6 Convection relay ac...

Page 22: ...s 1 2 Disables lights and timers 1c2c Keyboard loop improper value Nothing Disables audible for key depression Disables all outputs 1 Disables lights and timers 1c31 Cancel key improper value BAKE flashes 3 Disables all outputs for cavity 1 1c32 Cancel key improper value BAKE flashes 3 Disables all outputs for cavity 1 1c6c No response from EEPROM Nothing Disables all outputs 1 1c7c Calibration va...

Page 23: ...ocked position is achieved The unlock position may be identified by a successful unlock switch closure or as the result of timing when the unlock switch is not functioning properly If the last known good position was unlock e g baking or idle and a latch fault occurs the motor is never moved The fault is logged to EEPROM and is not seen by the user The detection for latch faults is in two stages T...

Page 24: ...Factory Default Press and hold Cancel and Keep Warm pads for 3 seconds Allows the clock to be reset to factory settings M1 Controlled Twelve hour off Control will automatically cancel any cooking operation and remove all relay drives 12 hours after the last pad touch See Sabbath mode to disable M1 Controlled Sabbath Mode Hold CLOCK pad for 3 seconds to activate Sabbath mode Hold CLOCK pad for 3 se...

Page 25: ... Factory Default Press and hold Cancel and Keep Warm pads for 3 seconds Allows the clock to be reset to factory settings M2 Controlled Twelve hour off Control will automatically cancel any cooking operation and remove all relay drives 12 hours after the last pad touch See Sabbath mode to disable M2 Controlled Sabbath Mode Hold CLOCK pad for 3 seconds to activate Sabbath mode Hold CLOCK pad for 3 s...

Page 26: ...ate the following Key Operation Bake Bake relay activated DLB relay activated Broil Broil relay activated DLB relay activated Keep Warm DLB relay activated Cook Hold Last Diagnostic Code displayed Clean MDL relay activated lock and unlock Delay M1 EEPROM Version Number displayed Favorite M2 EEPROM Version Number displayed Timer Main Code Version Number displayed Clock All Segments On More Even Seg...

Page 27: ...at is Displayed Action Taken By Control 1c1c Keypress Nothing Disables audible for affected key depression Disables all outputs 1 2 Disables lights and timers 1c2c Keyboard loop improper value Nothing Disables audible for key depression Disables all outputs 1 Disables lights and timers 1c31 Cancel key improper value BAKE flashes 3 Disables all outputs for cavity 1 1c6c No response from EEPROM Noth...

Page 28: ...cked position is achieved The unlock position may be identified by a successful unlock switch closure or as the result of timing when the unlock switch is not functioning properly If the last known good position was unlock e g baking or idle and a latch fault occurs the motor is never moved The fault is logged to EEPROM and is not seen by the user The detection for latch faults is in two stages Th...

Page 29: ... gas supply line to unit 3 Pull the range forward out of the cabinet opening 4 Unplug the power cord leading from unit to outlet 5 Replace the range using the installation instructions and anti tip bracket s Front Control Panel 1 Open or remove oven door from unit 2 Remove control knobs from gas valves by pulling 3 Remove screws securing front control panel located on the bottom edge of the front ...

Page 30: ...s 6 Reverse procedure to reinstall door latch assembly Spark Module NOTE Requires removal of range from installation position 1 Remove screws securing lower rear access panel 2 Disconnect and label wire connections from the spark module 3 Remove screws securing spark module to unit chassis 4 Replace and reverse procedure to reassemble Oven Sensor 1 Disconnect power before servicing 2 Open oven doo...

Page 31: ...d push switch inward to remove 5 Reverse procedure to reinstall door plunger light switch NOTE Be sure to install door plunger light switch heat shield on new switch when replacing switch Oven Door Removal WARNING To avoid risk of personal injury or property damage do not lift oven door by the handle 1 Open oven door and place door hinge locking device into lock position 2 Place oven door in first...

Page 32: ... 11 Reverse procedure to reinstall light socket Reposition insulation around lamp socket NOTE Reposition fiberglass insulation around oven light socket to eliminate possibility of heat related problems Frameless Door Disassembly 1 Remove oven door see Oven Door Removal procedure 2 Place door on a protected surface 3 Slide outer oven door glass and trim towards the bottom of the oven door and remov...

Page 33: ...ical shock personal injury or death disconnect electrical and gas supply before servicing Door linning Glass frame Inner glass Door baffle Door hinge Top trim Side trim Door handle Door glass Bottom trim Insulation Door handle bracket Door glass retainer Inner door glass Side trim Tape Frameless Oven Door ...

Page 34: ... 2003 Maytag Appliances Company 16022498 A 1 Appendix A ...

Page 35: ...ppliance pressure regulator must be converted to regulate LP gas If converting from LP gas to Natural gas the appliance pressure regulator must be converted to regulate Natural gas The regulator is located at the bottom of the back of the range Follow the instructions below to convert the regulator for use with LP gas This appliance is shipped from the factory adjusted for use with Natural gas 1 R...

Page 36: ...ng orifice d Remove the factory installed natural gas orifices from the center of the orifice holders using a 7mm nut driver See figure 1 Remember to keep the original natural gas orifices for possible later conversion to natural gas e Replace the orifice in each of the four or five orifice holders with the correct LP Propane gas orifice see figure 2 klqbW See figure 3 for natural gas orifice size...

Page 37: ...A 4 16022498 2003 Maytag Appliances Company Gas Conversion 3 im d p proc b _rokbo lofcf b lkcfdro qflk ...

Page 38: ... 2003 Maytag Appliances Company 16022498 A 5 Gas Conversion 4 cfdrob P k qro i d p proc b _rokbo lofcf b lkcfdro qflk EpfwbF ...

Page 39: ...ft oven bottom straight up then forward to remove See figure 2 4 Remove oven burner by removing one screw in front of burner and two screws at rear next to ignitor Raise rear part of burner up till it clears the opening in the bake chamber then gently lay the burner to the right side in the bake chamber It is not necessary to unplug or remove the ignitor from the burner See figure 3 cfdrob N REMOV...

Page 40: ...ce in LP conversion kit plastic bag mounted at rear of range Orifice will be marked 049 7 Install LP orifice in same 1 2 socket and attach to bake burner valve by repeating procedure noted in step 5 above Turn socket clockwise until resistance is felt then another 1 4 turn to fully tighten 8 Before re installing oven bottom refer to the section titled Range Adjustments in the unit installation man...

Page 41: ...ill be marked 57 and colored green 5 Repeat step 3 above to install broil orifice Turn socket clockwise until resistance is felt then another 1 4 turn to fully tighten 6 Reverse step 2 above to re install broil burner to complete the conversion fjmloq kqW Be sure end of burner is engaged over burner orifice klqbW Pin attached at radius of bend on burner must be inserted in embossed hole in top rea...

Page 42: ...ver into the recess at center of valve stem and engage blade with slot in adjusting screw 5 Turn center stem adjusting screw to set flame size This should require about 1 4 turn more or less 6 Replace control knob when adjustment is completed Proper adjustment will produce a stable steady blue flame of minimum size The final adjustment should be checked by turning knob from high to low several tim...

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