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Service Diagnostics and Procedures

Relay Board Diagnosis

Convection Relay

When the convection element is selected, voltage

is sent to the convection relay coils. A red LED (D26)

in front of each coil veriﬁes coil voltage is being sent

to that particular relay. This means that 12 VDC is

being sent to the relay coil. It does not indicate that

the relay contacts are closing. When the convection

element relay is energized, power (L1-black) is sent

through the relay to the convection element. Power

(L2-red) is supplied by the line break relay).

To test, select a cooking program. When the

convection relay contact is energized (D26 at base

of relay illuminates red), check for 240 VAC between

the yellow wire at the line break relay and the white/

red wire on P2. If 0 VAC is measured, disconnect

power and remove P2 Molex plug.

Reconnect power and

using an Ohm meter,

check for continuity

between the two relay

contacts. When the

relay is energized;

if inﬁnite ohms (

)

are measured this

indicates a bad relay

and you will need

to replace the relay

board. If 0 ohms are measured, the relay contact is

closing.

Cooling Fan

Locate the P11 connector on the relay board. The

P11 connector will have a Molex plug containing

white/black wires.

With the Molex connector removed from the P11

board connection, use an Ohm meter to measure

resistance between one of the white/black wires

and neutral at P1 on the power supply board.

The resistance should be approximately 18

. If

no resistance is measured, remove fan to repair

or replace as necessary

(see Oven Cooling Fan

Disassembly).

With the Molex connector attached to the P11 board

connection, use a voltmeter to measure voltage

between the white/black wire of the Molex plug and

the white wire in the Molex plug at the P1 power

supply board. The voltage should be

120 VAC. If 120 VAC is present and no fan rotation,

replace the cooling fan

(see Oven Cooling Fan

Disassembly).

If no voltage is present, verify wiring.

If wiring is OK, check the relay on the relay board.

Summary of Contents for RDSOE306SS

Page 1: ...ng does not assume any responsibility for property damage or personal injury for improper service procedures done by an unqualiﬁed person Service Manual This Base Manual covers general and speciﬁc information including but not limited to the following models RDSOE306SS RDDOE306SS Single and Double Wall Oven ...

Page 2: ...24 Selector 25 Thermostat 25 Relay board LED s 25 Fail Codes 26 Relay Board Diagnosis 27 Relay Board Diagnosis 28 Relay Board Diagnosis 29 Relay Board Diagnosis 30 Relay Board Diagnosis 31 Relay Board Diagnosis 32 Relay Board Diagnosis 33 Relay Board Diagnosis 35 Hall Effect Sensor 36 Parts Location Oven Top 37 Main Top Front Disassembly 38 Main Top Rear Disassembly 38 Relay Board 39 Power Supply ...

Page 3: ...BEFORE BEGINNING REPAIRS Pride and workmanship go into every product to provide our customers with quality appliances It is possible however that during the lifetime of a product service may be required Products should be serviced only by a qualified authorized service technician who is familiar with the safety procedures required to perform the repair and is equipped with the proper tools parts t...

Page 4: ...lectrical conduit must be kept to the top left for a flush installation NEVER cut the conduit Connect the flexible armored cable directly to 4 wire 240V household service If codes permit and separate grounding wiring is used we recommend that a qualified electrician determine the grounding path and that the wire gauge is in accordance with local codes Junction boxes installed on rear wall directly...

Page 5: ... off DO NOT touch the oven vent or surrounding areas until they have had sufficient time to cool Other potentially hot surfaces include oven vent surfaces near the vent opening oven door areas around the oven door and oven window The misuse of oven doors e g stepping sitting or leaning on them can result in potential hazards and or injuries NEVER use appliance as a space heater to heat or warm a r...

Page 6: ...aning cycles you may sense an odor characteristic of high temperatures KEEP THE KITCHEN WELL VENTED DURING THE SELF CLEAN CYCLE General Information The oven is heavy use extreme care when handling This features a self cleaning cycle During this cycle the oven reaches elevated temperatures in order to burn off soil and deposits A powder ash residue is left in the bottom of the oven after completion...

Page 7: ...l Numbers R D D O E 3 0 6 S S Serial Number Month Day Year of Manufacture D Viking Designer Series R D3 Series Electric 30 Wide Version SS Stainless 01 01 12 C00036178 SO Single Oven DO Double Oven VOLTAGE Hz WATTS AMPS 240VAC 60 Hz 9 6 KW MAX 40 208VAC 60 Hz 7 2 KW MAX 34 7 MODEL RDDOE306SS SERIAL 010112C00036178 VIKING RANGE CORP GREENWOOD MISSISSIPPI 38930 Ce style ext certifie sous UL 856 et l...

Page 8: ... hams etc Conv Broil Convection Broil Thicker meats faster than regular broil and with less smoke generation High Broil Dark meats at 1 thickness or less where rare or medium doneness is desired Medium Broil White meats such as chicken or meats greater than 1 thick that would be over browned in high broil Low Broil Delicate broiling such as meringue Conv Dehydrate Convection Dehydrate Use this set...

Page 9: ...e time with minimal taste transfer even when different dishes are involved such as cakes fish or meat The hot air system is especially economical when thawing frozen food Use this setting for baking and roasting TRU CONV TruConvec The rear element only operates at full power There is no direct heat from the bottom or top elements The motorized fan in the rear of the oven circulates air in the oven...

Page 10: ... An integral smoke eliminator helps reduce odors associated with the soil burn off A powder ash residue is left in the bottom of the oven after completion of the self clean cycle The door latch is automatically activated after selecting the self clean setting The latch ensures that the door cannot be opened while the oven interior is at clean temperatures This oven features a self cleaning cycle D...

Page 11: ...use steel wool or abrasive cloths cleaners or powders If it is necessary to scrape a stainless steel surface to remove encrusted material soak area with hot wet towels to loosen the material then use a wooden or nylon spatula or scraper DO NOT use a metal knife spatula or any other metal tool to scrape stainless steel surfaces Scratches are almost impossible to remove Brass Parts Broiler Pan and G...

Page 12: ...old MIN SEC TIMER for three seconds When the Settings mode is entered the clock display will change to the first parameter Temperature To exit the Settings mode press BAKE TIME Note Settings mode will automatically exit the Settings mode if nothing is pressed within 60 seconds Degrees The F indicates that the unit is set to display fahrenheit below left To change to celsius depress MIN SEC TIMER T...

Page 13: ... mode parameter The default is Sabbath NO below left In order to activate the Sabbath mode feature depress MIN SEC TIMER The Sabbath mode is shown ON and activated below right Showroom Mode Rotate the SET KNOB clockwise one click to access the Showroom mode parameter The default is Showroom No below left In order to activate the Showroom mode feature depress MIN SEC TIMER The Showroom mode is show...

Page 14: ...the RDDOE series or a numeric number 1 on the RDSOE series in the display as shown below on left and right If the oven selection is incorrect depress MIN SEC TIMER to toggle between 1 single or 2 double After setting the proper parameter press PROBE TEMP to exit the program mode Double Oven RDDOE Single Oven RDSOE Important Parts Information A replacement TOD2 Clock comes set at a default for a do...

Page 15: ... center If you rotate the SET KNOB clockwise past the lower offset the word DONE will show in the display as shown below right Once you have made your selection press MIN SEC TIMER The Default parameter is 0 F below left Now if for example you need to INCREASE the temperature in the upper oven by 30 determined by checking the oven temperature with a loaded probe and averaging five temperature swin...

Page 16: ...rmation beep Note While in the Diagnostic parameter rotating the SET knob clockwise or counterclockwise will scroll through all the testing parameters When in a particular test depress MIN SEC TIMER to get back to Parameter Selection to access other test Depressing PROBE TEMP at this point will exit the test mode When you have successfully entered the Diagnostic mode rotate the SET KNOB clockwise ...

Page 17: ...ll display the DONE screen below right To exit Test Mode press PROBE TEMP Upper Lower Diagnostics The following tests are under EOC4 Upper Oven single EOC4 and Lower Oven double oven Use the SET knob toggle through all the test parameters Press MIN SEC TIMER to run a particular test and see the value associated with that test Press MIN SEC TIMER again to stop test and return to selection screen Th...

Page 18: ...display settle out Note To test the UPPER selector you must be in the UPPER test mode The same is true for the LOWER selector Setpoint When SEtP is in display press MIN SEC TIMER With the thermostat in the OFF position OF should be in the display Rotating the temperature dial to any temperature should register in the display This will test the potentiometer values of the thermostat AD Raw setpoint...

Page 19: ...SET KNOB to move to the next component in the menu Values are approximate 240 Volts 280 Volts Current AMPS Current AMPS Inner Bake Note Inner bake is not used on RDDOE and RDSOE series ovens Outer Bake Press MIN SEC TIMER to operate Outer bake element Inner Broil Press MIN SEC TIMER to operate Inner broil element Outer Broil Press MIN SEC TIMER to operate Outer broil element Convection Press MIN S...

Page 20: ...h Cooling Fan Low Press MIN SEC TIMER to operate Cooling fan low Note Same speed as High fan RPM s Cooling Fan High Speed RPM When MIN SEC TIMER is depressed cooling fan comes on and the RPM S are shown in the display Cooling Fan Low Speed RPM Lights Oven This parameter will cycle the EOC light relay ON and OFF with each press of MIN SEC TIMER as well as the display showing the status Press MIN SE...

Page 21: ...ock and un lock the door and the display will show the current state When in between switch contacts three dashes will show in display When in between switch contacts three dash s will show in display To Lock Door To Unlock Door Caution Door must be installed and closed while performing LATCH MOTOR test or damage may occur to latch assembly 2012 Viking Preferred Service 21 Diagnostics Motor Advanc...

Page 22: ...or will test the door interlock switch With switch On With switch Closed Light Switch Pressing the panel light switch ON and OFF to test switch Note This test for Upper oven and single ovens only When testing is complete press probe temp twice to exit Test Mode Press BUTTON 1 Min Sec Timer Bake Time Set Start Time Probe Temp Min Sec Timer Bake Time Set Start Time Probe Temp Min Sec Timer Bake Time...

Page 23: ... 2012 Viking Preferred Service 23 Service Diagnostics and Procedures Parts Location Relay Board ...

Page 24: ...3 5 Ω P12 Yellow Black P1 White Power Board RTD 1089 Ω room temp P14 Violet P14 Gray Door Latch Motor 120 VAC 2180 k Ohms P12 Black White P1 White Power Board Door Switch Door Open 8 0 VDC Infinite Ω door open P15 Gray P15 Brown DL Com P15 disconnected Door Switch Door Closed 0 VDC 0 Ω door closed P15 Gray P15 Brown DL Com Oven Light Switch ON Door Closed 8 0 VDC 0 Ω light switch on P15 Violet Whi...

Page 25: ...C 5 VDC 0 Bake 10 0 kW 5 VDC 374 W 0 24 VDC 9 48 kW 4 74 VDC Convection Bake 10 0 kW 5 VDC 1 60 kW 0 86 VDC 8 42 kW 4 12 VDC Tru Convection 10 0 kW 5 VDC 2 60 kW 1 47 VDC 7 28 kW 3 49 VDC Convection Roast 10 0 kW 5 VDC 3 85 kW 2 08 VDC 6 01 kW 2 88 VDC Convection Broil 10 0 kW 5 VDC 5 00 kW 2 64 VDC 4 81 kW 2 31 VDC Hi Broil 10 0 kW 5 VDC 6 14 kW 3 21 VDC 3 78 kW 1 80 VDC Med Broil 10 0 kW 5 VDC 7...

Page 26: ... Cancel any cook by probe operation B Correct short reenter timed or delay function F06 On Flash 2 Invalid Model Header Model header is undefined This is read only at power up EOC4 will be inoperable A Power down and insert correct model header F07 On Flash 7 Door Switch The door is open during CLEAN the door latch has failed the door sensor has failed or the user has opened the door immediately a...

Page 27: ...erminal block is 240 VAC Select a cooking program When the relay contact is closed D30 LED at base of relay is illuminated red 240 VAC should be measured between the yellow wire and L1 black If 0 VAC is measured disconnect power and remove the red and yellow wire off the relay With power applied use an Ohm meter to check for continuity between the two relay contacts with the relay energized If inf...

Page 28: ... the relay contact is closing Broil Element Locate the P6 connector and the line break relay on the relay board The P6 connector will have a Molex plug containing a violet black and gray wire The violet wire goes to the inner broil element the black wire is L1 input from main power supply and the gray wire goes to the outer broil element With the power off and Molex connector removed from the P6 r...

Page 29: ... ohms are measured the relay contact is closing Outer Broil Relay Select a cooking program When the outer relay contact is energized D27 LED at base of relay illuminates red check for 240 VAC between the yellow wire at the line break relay and the gray wire on P6 If 0 VAC is measured disconnect power and remove P6 Molex plug Reconnect power and using an Ohm meter check for continuity between the t...

Page 30: ...between the two relay contacts When the relay is energized if infinite ohms Ω are measured this indicates a bad relay and you will need to replace the relay board If 0 ohms are measured the relay contact is closing Cooling Fan Locate the P11 connector on the relay board The P11 connector will have a Molex plug containing white black wires With the Molex connector removed from the P11 board connect...

Page 31: ... CONVECTION BROIL HIGH BROIL MEDIUM BROIL and SELF CLEAN the fan runs at HIGH speed BAKE CONVECTION BAKE TRU CONVECTION and LOW BROIL start at LOW speed and when the oven temperature reaches 400 F the EOC switches to HIGH speed When the oven is turned off cycle selector in OFF position the fan switches from high to low when the temperature at the RTD drops below 375 F and shuts off completely when...

Page 32: ... FWD When closed it sends power through K6 relay and out the LO contact of the K7 relay The output from K5 is connected to the C common terminal of K6 Because K6 is not used both the FWD and REV contacts are jumped together Clockwise FWD High Speed K7 is the speed relay It too is an SPDT relay When not energized the LO circuit is energized through the C terminal of the K7 relay The N O terminal is...

Page 33: ...o lock the S1 contact opens When the plunger catches the door liner and pulls inwards the S2 switch plunger is actuated The switch contact is closed and a completed circuit is made at the P15 connection between the brown wire and orange This signals the board that the door is locked When it is time to unlock the door power is sent to the door lock motor and it continues its rotation The plunger re...

Page 34: ... out the wires between blue and brown The reading should be zero 0 Ω The S2 switch is N O and will read infinite ohms when the door is unlocked Shown below is the closed circuit in red When the door locks the S1 switch N O is no longer in contact with the motor cam and will read infinite ohms The S2 switch is N O and should close when the door is locked To test ohm out the orange and brown The rea...

Page 35: ...e Convection Fan and all convection cycles to operate when the door is opened Test Main Power Board The main power board receives power directly from the power supply Verify 120 VAC between Neutral white wire and L1 black wire If no voltage is present verify supply and check breaker With voltage present to the power board verify the out put voltage Locate pin connection P2 Output voltage can be ch...

Page 36: ...20 volts supplied replacement of the relay board is necessary If the voltages are correct reconnect the 3 wire Molex plug Place meter leads in pin 1 black and pin 2 white Activate the oven so that the fan is energized With the fan turning 2 5 VDC should be measured If 2 5 VDC is present then connect meter leads between pin 2 white and pin 3 red A voltage of 2 5 VDC should be measured If 2 5 VDC is...

Page 37: ... 2012 Viking Preferred Service 37 Service Diagnostics and Procedures Parts Location Oven Top ...

Page 38: ... to insure correct earth ground and polarization After servicing reconnect electrical power Main Top Front Disassembly To access main top front 1 Slide the unit out 6 8 2 Remove screws securing front top panel 3 Remove panel 4 Reverse to reassemble Main Top Rear Disassembly To access main top rear 1 Remove unit from installation 2 Remove main top front see Main Top Front Disassembly 3 Remove screw...

Page 39: ...in top front and main top rear see Main Top Front and Main Top Rear Disassembly 2 Power supply board is accessible 3 Label and disconnect wiring 4 Remove screws securing power supply board 5 Repair or replace power supply board as necessary 6 Reverse procedure to reinstall Service Diagnostics and Procedures Disassembly To avoid risk of electrical shock personal injury or death disconnect electrica...

Page 40: ...ews securing terminal block 5 Repair or replace terminal block as necessary 6 Reverse procedure to reinstall Service Diagnostics and Procedures Disassembly To avoid risk of electrical shock personal injury or death disconnect electrical power to unit before servicing Wires removed during disassembly must be replaced on proper terminals to insure correct earth ground and polarization After servicin...

Page 41: ...trim 4 Remove screws on each end of control panel 5 Separate control panel from backer plate 6 Disconnect ribbon cable from clock 7 Reverse procedure to reinstall To avoid risk of electrical shock personal injury or death disconnect electrical power to unit before servicing Wires removed during disassembly must be replaced on proper terminals to insure correct earth ground and polarization After s...

Page 42: ...assembly 2 Remove screws securing selector switch to backer plate 3 Reach into the opening and remove oven selector switch and disconnect wiring 4 Repair or replace oven selector switch as necessary 5 Reverse procedure to reinstall Note When replacing the selector switch take note of the position when reinstalling There is a mark on the back of the switch to indicate the TOP for orientation To avo...

Page 43: ... Disassembly 2 Remove screws securing clock to control panel 3 Repair or replace clock as necessary 4 Reverse procedure to reinstall Note If replacing a ribbon cable the orientation of the plugs must be the same Hold both ends of the ribbon cable side by side With the plugs in the same orientation verify that the red marked side is the same on both plugs If the red mark is on the left on one plug ...

Page 44: ... 2012 Viking Preferred Service 44 Service Diagnostics and Procedures Parts Location Oven Note Upper oven shown ...

Page 45: ... 2012 Viking Preferred Service 45 Service Diagnostics and Procedures Parts Location Back Note RDDOE306SS model shown ...

Page 46: ...nge from receiver 3 Close oven door to the broil stop position 4 Lift door up and out 5 Reverse procedure to reinstall Note RDSOE306SS model shown To avoid risk of electrical shock personal injury or death disconnect electrical power to unit before servicing Wires removed during disassembly must be replaced on proper terminals to insure correct earth ground and polarization After servicing reconne...

Page 47: ...y grasp light bulb an pull out of socket 3 Replace with new halogen bulb following wattage and voltage rating on old halogen bulb 4 Reinstall light cover To avoid risk of electrical shock personal injury or death disconnect electrical power to unit before servicing Wires removed during disassembly must be replaced on proper terminals to insure correct earth ground and polarization After servicing ...

Page 48: ...of the access cover shown here Access to the lower latch will require removal of the oven for service To access door lock assembly 1 Remove unit from installation 2 Open oven door 3 Remove screws securing door lock assembly to front frame Note A string or wire should be tied to the old latch hook so that when the new latch is replaced the service technician can use the wire to pull the hook and la...

Page 49: ...uring sensor and cover to oven cavity 3 Slide sensor into oven cavity and disconnect wiring 4 Repair or replace RTD sensor as necessary 5 Reverse procedure to reinstall Service Diagnostics and Procedures Disassembly To avoid risk of electrical shock personal injury or death disconnect electrical power to unit before servicing Wires removed during disassembly must be replaced on proper terminals to...

Page 50: ...t to oven cavity 4 Slide convection element into cavity and disconnect wiring 5 Repair or replace convection element as necessary 6 Reverse procedure to reinstall To avoid risk of electrical shock personal injury or death disconnect electrical power to unit before servicing Wires removed during disassembly must be replaced on proper terminals to insure correct earth ground and polarization After s...

Page 51: ...convection fan assembly to oven cavity 7 Disconnect wiring 8 Remove convection fan assembly 9 Repair or replace convection fan assembly as necessary 10 Reverse procedure to reinstall Note Removing the convection fan is a two man operation Service Diagnostics and Procedures Disassembly To avoid risk of electrical shock personal injury or death disconnect electrical power to unit before servicing Wi...

Page 52: ...rocedure to reinstall Rack Support To access rack support 1 Remove oven door see Door Removal 2 Remove screws and rack supports from each side of oven cavity 3 Reverse procedure to reinstall Service Diagnostics and Procedures Disassembly To avoid risk of electrical shock personal injury or death disconnect electrical power to unit before servicing Wires removed during disassembly must be replaced ...

Page 53: ...ring remove screws securing rear trim pieces and remove trim 5 Carefully remove insulation covering bake element 6 Remove screws securing bake element to unit 7 Slide bake element out 8 Repair or replace bake element as necessary 9 Reverse procedure to reinstall To avoid risk of electrical shock personal injury or death disconnect electrical power to unit before servicing Wires removed during disa...

Page 54: ...stallation 2 Remove rear cover see Rear Cover Disassembly 3 Remove screws and element shield 4 Remove screws securing cooling fan 5 Remove fan and disconnect wiring to fan and Hall Effect Sensor 6 Repair or replace cooling fan as necessary 7 Reverse procedure to reinstall To avoid risk of electrical shock personal injury or death disconnect electrical power to unit before servicing Wires removed d...

Page 55: ...ove side cover screws slide out side cover and remove insulation 7 Meat probe socket is now accessible 8 From inside the oven cavity remove nut and toothed washer to repair or replace meat probe 9 Reverse procedure to reinstall To avoid risk of electrical shock personal injury or death disconnect electrical power to unit before servicing Wires removed during disassembly must be replaced on proper ...

Page 56: ...en lights 120 VAC at relay board P1 white to black Defective oven wiring shorted open or burned Open Relay board Repair replace defective wiring Replace relay board check operation of blower motor Bake element inoperable Defective oven wiring Bake element Relay board Repair replace wiring Test bake element Verify relay operation wiring and inputs Broil element inoperable Defective oven wiring Broi...

Page 57: ...place door latch motor Ohm oven sensor Replace relay board Repair or replace defective wiring Oven lights inoperable bulbs OK Relay board Open relay Defective oven wiring shorted open or burned Replace relay board Replace relay board Repair or replace defective wiring Oven light will not work Light bulb is burned out Supply voltage Check bulb and replace if defective Verify source voltage Blower m...

Page 58: ... 2012 Viking Preferred Service 58 Wiring and Schematics ...

Page 59: ... 2012 Viking Preferred Service 59 Wiring and Schematics Wiring Schematic RDSOE306 RDDOE306 Upper Oven ...

Page 60: ... 2012 Viking Preferred Service 60 Wiring and Schematics Wiring Schematic RDDOE306 Lower Oven ...

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