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TROUBLESHOOTING

Certain procedures in this section require electrical test or measurements while

power is applied to the machine. Exercise extreme caution at all times and follow Arc Flash
procedures. If test points are not easily accessible, disconnect power and follow Lockout/Tagout
procedures, attach test equipment and reapply power to test.

ALL MODELS

SYMPTOMS

POSSIBLE CAUSES

Blower motor doesn’t run with 1S in “Cool Down” or “On”
position.

Line voltage.

Power switch (S1) malfunction.

Switch (S3) malfunction.

Interconnecting wiring malfunction.

Motor inoperable.

Blower motor doesn’t run in “On” position. “Cool Down”
functions OK.

Door switch malfunction.

Power switch contacts inoperative.

Interconnecting wiring malfunction.

Blower motor doesn’t run in “Cool Down” position. Runs
OK in “On” position.

Power switch malfunction.

Interconnecting wiring malfunction.

Gas does not ignite; No spark; No Ignition Light ON.

Shorted electrode on ignitor/flame sense.

Ignitor cable (high voltage) OPEN.

Heat relay (R3) malfunction.

Transformer (T1) inoperative.

High limit thermostat open.

Interconnecting wiring malfunction.

Ignition Module malfunction.

Sparks but gas does not ignite.

Gas solenoid valve OFF or inoperative.

Manual gas valve CLOSED.

Gas supply OFF or Insufficient gas pressure.

Interconnecting wiring malfunction.

Ignition Module malfunction.

Gas ignites but will not maintain flame.

Igniter lead connections malfunction.

Ignitor ground inoperative.

Ignitor/flame sense malfunction.

Insufficient gas pressure.

Snorkel vent plugged, obstructed or missing.

Incorrect polarity from transformer (T1) to Ignition
module.

WKG Series Full Size Gas Convection Ovens - TROUBLESHOOTING

Page 71 of 74

F32700 Rev. B (0315)

Содержание WKG SERIES

Страница 1: ...ecessary tools instruments and skills required to perform the procedure Procedures for which you do not have the necessary tools instruments and skills should be performed by a trained Wolf Service Technician The reproduction transfer sale or other use of this Manual without the express written consent of Wolf is prohibited This manual has been provided to you by ITW Food Equipment Group LLC ITW F...

Страница 2: ...Y INDEPENDENT DOORS 19 DOOR CATCH BALL ASSEMBLY INDEPENDENT DOORS 19 DOOR WINDOW 19 DOOR SWITCH 20 MECHANICAL KX THERMOSTAT WKG WKGX 21 HIGH LIMIT THERMOSTAT 21 INTERIOR LIGHTS 22 COOLING FAN 22 SERVICE PROCEDURES AND ADJUSTMENTS 24 SOLID STATE TEMPERATURE CONTROL CALIBRATION WKGD WKGDX 24 MECHANICAL THERMOSTAT CALIBRATION WKG WKGX 25 TEMPERATURE PROBE TEST WKGD WKGDX 26 GAS PRESSURE ADJUSTMENT UN...

Страница 3: ... KX CONTROLS 55 WKG WKGX MECHANICAL KX CONTROLS ROAST HOLD OPTION 56 WKGD WKGDX SOLID STATE TEMPERATURE CONTROL 57 WKGD WKGDX SOLID STATE TEMPERATURE CONTROL ROAST HOLD OPTION 58 WKGC WKGCX COMPUTER CONTROL ROAST HOLD STANDARD 59 WIRING DIAGRAMS 61 WKG WKGX MECHANICAL KX CONTROLS 61 WKG WKGX MECHANICAL KX CONTROLS ROAST HOLD OPTION 62 WKGD WKGDX SOLID STATE TEMPERATURE CONTROL 64 WKGD WKGDX SOLID ...

Страница 4: ...AS SOLENOID VALVE ROLLER LATCH ASSEMBLY HIGH LIMIT THERMOSTAT GAS PRESSURE ADJUSTMENT Added New Data Module GAS VALVE PRESSURE CHECK Serial Number Breaks Added SPECIFICATIONS Updated Data Module SOLID STATE TEMPERATURE CONTROL CALIBRATION WKG Series Full Size Gas Convection Ovens SERVICE UPDATES F32700 Rev B 0315 Page 4 of 74 ...

Страница 5: ...l WKGCX 30 5 Computer Independent1 3 24 Hour Digital Built in Built in Optional 1 Simultaneous doors are optional with or w o window 2 Stainless steel doors w o window standard 3 Stainless steel doors with window standard INSTALLATION Refer to the Instructions Manual for detailed installation instructions on single or stacked ovens OPERATION Refer to the Instructions Manual for specific operating ...

Страница 6: ... at 5 0 in W C Propane Recommend in W C 11 0 Min 11 0 All Propane Units Maximum 14 0 in W C Nat or Prop TOOLS Standard Standard set of hand tools VOM with ability to measure micro amp current VOM with minimum of NFPA 70E CAT III 600V UL CSA TUV listed Sensitivity of at least 20 000 ohms per volt Meter leads must also be rated at CAT III 600V Gear Puller to remove blower Special Temperature tester ...

Страница 7: ...e right side which secure the control panel then pull the panel away from the oven Fig 3 NOTE If the oven has a mechanical KX type thermostat it must be removed from the control panel first before removing the control panel 2 Disconnect the temperature probe leads from the solid state temperature control 3 Unplug the wire harness connector to the control panel components 4 Reverse the procedure to...

Страница 8: ...Removable Components Procedure 1 Remove the CONTROL PANEL 2 Remove the component being replaced 3 Reverse the procedure to install the replacement component then check oven for proper operation Fig 5 Fig 6 WKG Series Full Size Gas Convection Ovens REMOVAL AND REPLACEMENT OF PARTS F32700 Rev B 0315 Page 8 of 74 ...

Страница 9: ... right side panel is not accessible this component can be serviced by removing the CONTROL PANEL Disconnect the wire leads to the component being replaced 2 Remove the component 3 Reverse the procedure to install the replacement component and check oven for proper operation Fig 8 WKG Series Full Size Gas Convection Ovens REMOVAL AND REPLACEMENT OF PARTS Page 9 of 74 F32700 Rev B 0315 ...

Страница 10: ...ANEL NOTE If right side panel is not accessible this component can be serviced by removing the CONTROL PANEL 2 Disconnect the probe leads from the solid state temperature control 3 Remove the racks and right rack support 4 Remove the probe guard WKG Series Full Size Gas Convection Ovens REMOVAL AND REPLACEMENT OF PARTS F32700 Rev B 0315 Page 10 of 74 ...

Страница 11: ...cause it is no longer valid GAS BURNER Disconnect the electrical power to the machine and follow lockout tagout procedures SHUT OFF THE GAS BEFORE SERVICING THE UNIT 1 Remove the BOTTOM FRONT COVER 2 Disconnect the ignition cable and the flame sense lead wire Fig 13 3 Remove the bolts securing the gas manifold to the oven and place the manifold to the side Fig 14 4 Remove the screws securing the b...

Страница 12: ... COVER 2 Remove the bolts securing the gas manifold to the oven and place the manifold to the side Fig 18 3 Remove the gas orifice from the spud on the manifold and replace with the correct orifice for the given altitude Fig 19 4 Reverse procedure to install and check for proper operation GAS SOLENOID VALVE Disconnect the electrical power to the machine and follow lockout tagout procedures SHUT OF...

Страница 13: ...CURRENT PRODUCTION SHOWN After February 2015 4 Loosen the bolts securing the valve and bracket assembly then remove the screws securing the valve to the bracket FIRST GENERATION UNIT SHOWN Before April 2005 WKG Series Full Size Gas Convection Ovens REMOVAL AND REPLACEMENT OF PARTS Page 13 of 74 F32700 Rev B 0315 ...

Страница 14: ...URE ADJUSTMENT for units before February 2015 or GAS VALVE PRESSURE CHECK for units after February 2015 and check for proper operation IGNITION CONTROL MODULE Disconnect the electrical power to the machine and follow lockout tagout procedures SHUT OFF THE GAS BEFORE SERVICING THE UNIT 1 Remove the RIGHT SIDE PANEL NOTE If right side panel is not accessible this component can be serviced by removin...

Страница 15: ...ssembly Fig 28 3 Reverse the procedure to install the assembly and check for proper operation NOTE Check to ensure the spark gap distance is approximately 1 8 If the gap appears to be excessive or poor sparking is occurring then adjust PREVIOUS PRODUCTION SHOWN CURRENT PRODUCTION SHOWN BLOWER AND MOTOR Disconnect the electrical power to the machine and follow lockout tagout procedures SHUT OFF THE...

Страница 16: ... mounting plate to the rear wall Fig 34 7 Place a piece of cardboard on the bottom of the oven cavity to protect its surface from any damage during motor assembly removal 8 Pull the motor assembly into the oven cavity and place it on the cardboard 9 Remove the junction box cover from the motor disconnect lead wires and remove the conduit 10 Remove motor mounting bolts and flat washers then lift th...

Страница 17: ...procedures 1 Remove the TOP FRONT COVER and BOTTOM FRONT COVER 2 Remove the door switch lever Fig 36 3 Remove the lower door seal strip to expose the mounting screws of the door assembly 4 Remove the two 2 lower sill bolts by the lower door shaft and the four 4 counter sunk screws from the lower sill Fig 37 NOTE The door assembly is heavy and will drop down once the last screw is removed If removi...

Страница 18: ...or assembly is heavy and will drop down once the last screw is removed If removing door assembly with out assistance use caution 5 Lift up on the door assembly and swing the right side out then move the assembly to the left to clear the slots in the upper door sill 6 Lay the door assembly on a flat cushioned surface for disassembly 7 Reverse procedure to install door assembly and check for proper ...

Страница 19: ...r Fig 43 2 Reverse procedure to install DOOR CATCH BALL ASSEMBLY INDEPENDENT DOORS NOTE For units with serial number starting with 48 made before 8 13 07 and serial number starting with 54 made before 8 27 07 Disconnect the electrical power to the machine and follow lockout tagout procedures 1 Remove the TOP FRONT COVER 2 Remove the screws that secure the door catch assembly Fig 44 3 Reverse proce...

Страница 20: ...lacing window on the right door remove the screws along the inside edge if applicable of the door then remove the inner door panel and window assembly 4 Remove the screws securing the window tabs to the door bracket and lift the window assembly out from the door frame Fig 46 5 Reverse procedure to install the replacement window DOOR SWITCH Disconnect the electrical power to the machine and follow ...

Страница 21: ... in the oven cavity wall does not line up straight with the oven cavity outer shell therefore the probe must be removed at an angle 5 Reverse the procedure to install 6 Adjust the thermostat as outlined under MECHANICAL THERMOSTAT CALIBRATION HIGH LIMIT THERMOSTAT Disconnect the electrical power to the machine and follow lockout tagout procedures 1 Take out racks from the oven 2 Remove the high li...

Страница 22: ...6 Insert the socket into the hole in the oven and push until the socket is held in place by the retaining tabs 7 Install the light bulb and lens 8 Check for proper operation COOLING FAN Disconnect the electrical power to the machine and follow lockout tagout procedures 1 Remove the RIGHT SIDE PANEL NOTE If right side panel is not accessible this component can be serviced by removing the CONTROL PA...

Страница 23: ...flow direction and should be pointing toward the controls NOTE Ensure fan is seated squarely against the air tube and the oven bottom NOTE The air deflector should be angled upwards at approximately 30 degrees to properly direct the air flow WKG Series Full Size Gas Convection Ovens REMOVAL AND REPLACEMENT OF PARTS Page 23 of 74 F32700 Rev B 0315 ...

Страница 24: ...BE TEST b If the probe is functioning properly then temperature control is malfunctioning a Install a replacement temperature control and check calibration 7 Calculate the average temperature by adding the temperature indicated when the lamp goes out to the temperature indicated when the lamp comes on and dividing this answer by 2 Temp lamp off Temp lamp on 2 Average Temp Example 360 340 2 350 A I...

Страница 25: ...temperature by adding the temperature indicated when the lamp goes out to the temperature indicated when the lamp comes on and dividing this answer by 2 Temp lamp off Temp lamp on 2 Average Temp Example 360 340 2 350 A If the average temperature is less than 10 F from the dial setting the thermostat is properly calibrated B If the average temperature is more than 10 F from the dial setting the the...

Страница 26: ... Hold the thermostat shaft and turn the inner set screw clockwise to decrease temperature or counterclockwise to increase temperature turn 35 F 8 Replace the knob and repeat STEP 7 until the average temperature is within tolerance NOTE Allow the oven to cycle at least two times between adjustments before performing the calculation 9 If the above adjustment can not be obtained install a replacement...

Страница 27: ...stance in ohms 10 GAS PRESSURE ADJUSTMENT units up to February 2015 Disconnect the electrical power to the machine and follow lockout tagout procedures 1 Turn gas supply off at manual shutoff valve 2 Remove the RIGHT SIDE PANEL NOTE If right side panel is not accessible this component can be serviced by removing the CONTROL PANEL 3 Remove the plug from the manifold pressure port FIRST GENERATION U...

Страница 28: ...ssure increase counterclockwise pressure decrease NOTE Accurate gas pressure adjustments can only be made with the gas on and the burner lit Fig 58 NOTE If the incoming line pressure to the valve is less than the minimum stated then the manifold pressure can not be set correctly GAS VALVE PRESSURE CHECK units after February 2015 Disconnect the electrical power to the machine and follow lockout tag...

Страница 29: ...ure is not maintaining 5 WC and the cap is correctly positioned replace the valve PROPANE 11 WC and 14 for Propane gas and the manifold pressure is not maintaining 10 WC and the cap is correctly positioned replace the valve VERIFICATION OF SPARK AT IGNITOR Disconnect the electrical power to the machine and follow lockout tagout procedures SHUT OFF THE GAS BEFORE SERVICING THE UNIT 1 Remove the BOT...

Страница 30: ...he switch actuator to obtain the proper setting Fig 62 4 Install the top front cover 5 Apply power to the oven and check for proper operation BLOWER ADJUSTMENT Disconnect the electrical power to the machine and follow lockout tagout procedures SHUT OFF THE GAS BEFORE SERVICING THE UNIT 1 Remove the blower motor and mounting assembly by following steps 1 through 8 as outlined under BLOWER AND MOTOR...

Страница 31: ... that the vertical edge of the door is parallel to the vertical door seal If the doors are not positioned in this manner adjust the doors as described Fig 64 2 Remove the TOP FRONT COVER 3 Loosen the screws that secure the upper door bearings and related hardware just enough to allow door movement Fig 65 WKG Series Full Size Gas Convection Ovens SERVICE PROCEDURES AND ADJUSTMENTS Page 31 of 74 F32...

Страница 32: ...atch if malfunctioning as outlined under ROLLER LATCH ASSEMBLY INDEPENDENT DOORS and adjust as outlined in this procedure 4 Each oven door should open with a force of 8 to 25 pounds when pulled at the handle The adjustments must allow the doors to remain closed during normal operation and allow opening without exertion by the user DOOR CATCH BALL ADJUSTMENT INDEPENDENT DOORS NOTE For units with se...

Страница 33: ...t the handle The adjustment must allow the doors to remain closed during normal operation and allow opening without exertion by the user NOTE The amount of tension on catch ball determines the opening force of door A Adjust catch ball tension as follows 1 Turn set screw inside the catch assembly housing clockwise to increase tension on catch ball and counterclockwise to decrease tension on catch b...

Страница 34: ...setup mode to verify that the control is configured to the factory settings which result in the proper operation of the oven If the CAL1 parameter is other than zero determine if it is still needed before resetting to zero See COMPUTER CONTROL CALIBRATION WKGC WKGCX Changing the C_F InP1 rL1 rH1 parameters will default all menus 1 Use this key sequence to access the setup mode Up arrow Rack 1 Temp...

Страница 35: ...e oven cavity 2 Press the set key then temperature key to enter the temperature set mode A The display will alternate between the term StPt set point and the current oven temperature setting B Press the up or down arrow keys to make the proper selection C Press the set key again to save the change and exit the temperature set mode 3 Allow the oven temperature to stabilize normally 3 cycles 4 Set t...

Страница 36: ...rrect calibration offset value was entered and retained 1 Adjust the calibration offset value as outlined in step 6 until the cycling temperature is within tolerance B If the above adjustment cannot be obtained replace the computer control and check for proper operation WKG Series Full Size Gas Convection Ovens SERVICE PROCEDURES AND ADJUSTMENTS F32700 Rev B 0315 Page 36 of 74 ...

Страница 37: ...perating when the doors are opened Blower Motor Operates the oven cavity blower convection fan Also an internal centrifugal switch on the motor is utilized to allow the connection of power to the heat relay R3 when the motor is at operating speed Motor Speed Relay R1 Supplies power to the blower motor through R1 relay contacts Available on models with Cook Hold option only Hold Relay R2 Hold relay...

Страница 38: ...te after 3 attempts it will remain lit until power is reset Temperature Probe Senses the oven temperature for the solid state temperature control or the computer control On WKGD WKGDX models converts the temperature into a resistance valve which is monitored by the temperature control board The probe is an RTD resistance temperature detector of the Thermistor type As temperature increases the resi...

Страница 39: ...WKG WKGX Plug Socket and Components Standard Controls WKG Series Full Size Gas Convection Ovens ELECTRICAL OPERATION Page 39 of 74 F32700 Rev B 0315 ...

Страница 40: ...WKGD WKGDX Plug Socket and Components Standard Controls WKG Series Full Size Gas Convection Ovens ELECTRICAL OPERATION F32700 Rev B 0315 Page 40 of 74 ...

Страница 41: ...WKG WKGX WKGD WKGDX Plug Socket and Components Roast Hold Option WKG Series Full Size Gas Convection Ovens ELECTRICAL OPERATION Page 41 of 74 F32700 Rev B 0315 ...

Страница 42: ...WKGC WKGCX Plug Socket and Components Roast Hold Standard WKG Series Full Size Gas Convection Ovens ELECTRICAL OPERATION F32700 Rev B 0315 Page 42 of 74 ...

Страница 43: ...1 normally open N O contacts and hold relay R2 common B Component cooling fan energized C Power ON light Amber comes ON D Power to one side of the following components Normal ROAST timer terminal 1 ROAST HOLD timer terminal 1 transformer primary T1 NOTE Power is available to the oven light switch wire 20 to turn the oven cavity lights ON when the light switch is turned ON and power is available to...

Страница 44: ...are opened or the power switch S1 is turned to the OFF or COOL DOWN position Timer Cycle Normal Roast Cooking NOTE The ROAST timer normal cooking operates independently of the heating cycle Additional time can be set or the timer can be turned OFF throughout the cooking cycle 1 With the power switch turned ON power is supplied to timer 2 Set ROAST timer to desired time normal cooking A Contacts 1 ...

Страница 45: ... dual solenoid gas valve a 1st valve safety on the gas valve energized NOTE 1st valve safety on the gas valve energized 2 With door switch closed power is connected through a second set of contacts on the power switch S1 through the thermostat contacts through one set of relay R4 normally closed N C contacts to one side of the centrifugal switch on the convection fan motor a Heat light clear comes...

Страница 46: ...ng NOTE To Roast then Hold the cooked product at a fixed temperature the Roast Hold timer must be used and the function switch S3 must also be set to Roast Hold as indicated under step1 conditions for the Roast Hold cycle A Contacts 1 3 close timer motor is energized and timing down begins 3 Time expires on Roast Hold timer A Contacts 1 3 open timer motor is de energized and timing stops B Contact...

Страница 47: ...unction switch S3 is changed back to Cook normal cooking or the power switch S1 is turned to the OFF or COOL DOWN position WKGD WKGDX With Roast Hold Option Solid State Temperature Control Schematic diagram 10834 will be used to explain the electrical sequence of operation for both the Normal ROAST cycle normal cooking and the ROAST HOLD cycle Normal Roast Cycle 1 Conditions A Oven connected to co...

Страница 48: ...lly open N O side of internal relay contacts terminal 7 on the temperature control board 3 Power is also connected back through a second set of contacts on the power switch S1 to terminal 8 on the temperature control board a Solid state temperature control energized If the oven temperature is below set point the temperature control will energize its internal relay The normally open N O contacts cl...

Страница 49: ...ion fan motor common transformer primary T1 motor speed Hi Low relay coil R1 hold relay coil R2 and the component cooling fan B Oven properly grounded C Gas supply valve ON D Gas combination control valve ON E Power switch S1 OFF F Function switch S3 set to ROAST HOLD cycle G Oven light switch S2 ON OFF position has no affect on the function of the ROAST HOLD cycle H Temperature control dial set t...

Страница 50: ...iagnostic test for 4 seconds 2nd valve main on the gas valve is energized Gas starts to flow to the burner sparking begins the no ignition light goes out and burner lights Sparking continues for up to 7 seconds or until a flame is established If a flame is sensed the no ignition light stays out and burner remains lit If a flame is not sensed after 7 seconds of sparking the no ignition light comes ...

Страница 51: ...trifugal switch N O on motor OPENS a Heat relay R3 de energized relay R3 contacts open and oven heating stops NOTE This is considered second stage cooking in the ROAST HOLD cycle where the stored heat in the oven continues to cook the product 4 Oven temperature falls below 160 F 12 and hold thermostat contacts close A Heat light comes ON B Motor speed relay R1 is energized R1 contacts change state...

Страница 52: ...mmon on hold relay R2 Power is then connected through hold relay R2 normally closed N C contacts to motor speed Hi Low relay R1 coil 1 Motor speed Hi Low relay R1 is energized and contacts change state a Power is connected through motor speed Hi Low relay normally open N O contacts through function switch S3 to Convection fan motor a Convection fan motor energized NOTE If function switch S3 is set...

Страница 53: ...perating conditions are met B Power is available to the oven light switch S2 C Power to terminal 1 on solid state relay 1 SSR1 load side and solid state relay 2 SSR2 load side D Component cooling fan energized E Transformer T1 is energized 1 Power 24VAC to one side of the following components heat relay R1 normally open N O contacts high limit connected through the normally closed N C contacts to ...

Страница 54: ...and gas flow to the burner stops B Oven Heat Light on the control goes out C Oven Ready Light on the control comes ON D Electronic beeper sounds momentarily 4 The oven will continue to cycle on the computer control until the doors are opened or power switch S1 is turned to the OFF or COOL DOWN position Temperature and Time Cycle Cooking NOTE The computers internal COOK timer operates independently...

Страница 55: ...en cavity temperature needs to be lowered C Doors are open 1 Door switch contacts OPEN D Power switch S1 set to either ON or OFF 2 Power Switch S1 turned to COOL DOWN NOTE With door switch contacts OPEN doors open the convection fan motor will still run and continue to cool the oven A Power is connected through power switch S1 to the convection fan motor high speed terminal 1 Convection fan motor ...

Страница 56: ...Fig 77 WKG WKGX MECHANICAL KX CONTROLS ROAST HOLD OPTION WKG Series Full Size Gas Convection Ovens ELECTRICAL OPERATION F32700 Rev B 0315 Page 56 of 74 ...

Страница 57: ...Fig 78 WKGD WKGDX SOLID STATE TEMPERATURE CONTROL WKG Series Full Size Gas Convection Ovens ELECTRICAL OPERATION Page 57 of 74 F32700 Rev B 0315 ...

Страница 58: ...Fig 79 WKGD WKGDX SOLID STATE TEMPERATURE CONTROL ROAST HOLD OPTION WKG Series Full Size Gas Convection Ovens ELECTRICAL OPERATION F32700 Rev B 0315 Page 58 of 74 ...

Страница 59: ...Fig 80 WKGC WKGCX COMPUTER CONTROL ROAST HOLD STANDARD WKG Series Full Size Gas Convection Ovens ELECTRICAL OPERATION Page 59 of 74 F32700 Rev B 0315 ...

Страница 60: ...Fig 81 WKG Series Full Size Gas Convection Ovens ELECTRICAL OPERATION F32700 Rev B 0315 Page 60 of 74 ...

Страница 61: ...WIRING DIAGRAMS WKG WKGX MECHANICAL KX CONTROLS Fig 82 WKG Series Full Size Gas Convection Ovens ELECTRICAL OPERATION Page 61 of 74 F32700 Rev B 0315 ...

Страница 62: ...Fig 83 WKG WKGX MECHANICAL KX CONTROLS ROAST HOLD OPTION WKG Series Full Size Gas Convection Ovens ELECTRICAL OPERATION F32700 Rev B 0315 Page 62 of 74 ...

Страница 63: ...Fig 84 WKG Series Full Size Gas Convection Ovens ELECTRICAL OPERATION Page 63 of 74 F32700 Rev B 0315 ...

Страница 64: ...Fig 85 WKGD WKGDX SOLID STATE TEMPERATURE CONTROL WKG Series Full Size Gas Convection Ovens ELECTRICAL OPERATION F32700 Rev B 0315 Page 64 of 74 ...

Страница 65: ...Fig 86 WKG Series Full Size Gas Convection Ovens ELECTRICAL OPERATION Page 65 of 74 F32700 Rev B 0315 ...

Страница 66: ...Fig 87 WKGD WKGDX SOLID STATE TEMPERATURE CONTROL ROAST HOLD OPTION WKG Series Full Size Gas Convection Ovens ELECTRICAL OPERATION F32700 Rev B 0315 Page 66 of 74 ...

Страница 67: ...Fig 88 WKG Series Full Size Gas Convection Ovens ELECTRICAL OPERATION Page 67 of 74 F32700 Rev B 0315 ...

Страница 68: ...Fig 89 WKGC WKGCX COMPUTER CONTROL ROAST HOLD STANDARD WKG Series Full Size Gas Convection Ovens ELECTRICAL OPERATION F32700 Rev B 0315 Page 68 of 74 ...

Страница 69: ...Fig 90 WKG Series Full Size Gas Convection Ovens ELECTRICAL OPERATION Page 69 of 74 F32700 Rev B 0315 ...

Страница 70: ...Fig 91 WKG Series Full Size Gas Convection Ovens ELECTRICAL OPERATION F32700 Rev B 0315 Page 70 of 74 ...

Страница 71: ...ol Down position Runs OK in On position 1 Power switch malfunction 2 Interconnecting wiring malfunction Gas does not ignite No spark No Ignition Light ON 1 Shorted electrode on ignitor flame sense 2 Ignitor cable high voltage OPEN 3 Heat relay R3 malfunction 4 Transformer T1 inoperative 5 High limit thermostat open 6 Interconnecting wiring malfunction 7 Ignition Module malfunction Sparks but gas d...

Страница 72: ... does not run 1 Motor inoperable 2 Interconnecting wiring malfunction Uneven Cooking 1 Convection Fan motor speed direction 2 Poor combustion A Gas pressure incorrect B Exhaust vent plugged or obstructed C Snorkel Vent plugged or obstructed 3 Air flow Baffles missing or damaged Intermittent problems 1 High ambient temperatures 2 Wiring connections loose 3 Cooling fan malfunction No power to temper...

Страница 73: ...perature is below 32 F Check ambient temperature at the control Er04 Configuration error Microprocessor malfunction Cycle power Er05 EPROM error Power loss while storing data Cycle power Er06 Zone 1 A D underflow error Incorrect sensor type Measuring temperature outside the sensor range Check the InP1 setup parameter Verify it matches your sensor Check sensor and connections for a reversed or open...

Страница 74: ...outside the sensor range Check the InP1 setup parameter Verify it matches your sensor Check sensor and connections for a reversed or open sensor If the condition causing the error is resolved the error will clear WKG Series Full Size Gas Convection Ovens TROUBLESHOOTING F32700 Rev B 0315 Page 74 of 74 ...

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