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Key Panel Test

Touch each key. Keys should light in response, except CLEAR/OFF and COOKTOP keys. Each key must be 
individually tested. Number pads, +/-, etc., respond only after a function is selected.

LIN Test

Press the OVEN LIGHT key. Corresponding relay(s) should click and oven lamps should respond. If successful, 
LIN bus is not the cause of nonworking elements.

Convection Fan Troubleshooting

SYMPTOM

POSSIBILITY

CORRECTION

Fan motor buzzes

Open capacitor

Replace harness, terminals or bad 
capacitor.

No fan operation

Open winding as indicated by 
ohm check red to gray and blue to 
gray (approx. 60 ohms each)

Replace motor.

Fan loud

Loose shaft nut

Tighten shaft nut. Do not bend 
blade.

Fan loud

Convect cover screws or cavity 
screws loose

Tighten. If screw is stripped, use 
larger screw.

No fan operation

Check voltage blue to gray when 
fan is counterclockwise - should 
read 120VAC. Also, check voltage 
red to gray when fan is clockwise 
- should read 120VAC

Check RPSM main.

• 

If voltages are OK, check 

• 

harness or winding resistance.

No fan operation

Shaft or blade is rubbing on oven 
liner

Loosen screws/readjust position/
tighten.

No fan operation

Jamb switch NO to C is open

Replace jamb switch or check the 
harness.

Summary of Contents for PB920TPWW - Profile 30" Electric Ran

Page 1: ...AR OFF TIME OF DAY ON OFF SELECT ON OFF MELT ON OFF ON OFF ON OFF ON OFF 1 2 1 2 1 2 1 2 HR MIN TRUETEMP 1 2 3 4 5 6 7 8 9 0 UPPER OVEN GRIDDLE CONTROL WARMING ZONE START MELT BURNER SIZE BURNER SIZE LOWER OVEN CLEAR OFF ON OFF SELECT ON OFF MELT ON OFF ON OFF ON OFF ON OFF 1 2 1 2 1 2 1 2 SELF CLEAN PROBE SLOW COOK BROIL HI LO BAKE CONVECTION COOK WARM CLOCK WARMING DRAWER ON OFF TIMER ON TIMER O...

Page 2: ... avoid personal injury disconnect power before servicing this product If electrical power is required for diagnosis or test purposes disconnect the power immediately after performing the necessary checks RECONNECT ALL GROUNDING DEVICES If grounding wires screws straps clips nuts or washers used to complete a path to ground are removed for service they must be returned to their original position an...

Page 3: ...idden Bake Element 18 Installation 10 Introduction 4 Key Panel Test 23 LIN Test 23 Main Logic Board 20 Nomenclature 5 Oven Components 17 Oven Ohmmeter Test 24 Rear Cover Removal 17 Relay Boards Connector Locator Views 15 Relay Board Voltages 24 RPSM Aux Board 18 RPSM Main Board 17 Sales Demo Mode 10 Schematics and Wiring Diagrams 25 Using the Warming Zone 9 Warranty 27 Note This service guide cove...

Page 4: ... 9 in 6 in Tri Ring Element Provides three cooking areas in one for the ultimate in cooking versatility Warming Drawer The convenient drawer keeps foods warm and ready to serve Super Large 5 3 Cu Ft Oven Capacity Provides an impressively large oven interior to cook more dishes and large meats at once Hidden Bake Oven Interior Conceals the lower oven bake element to eliminate hard to reach areas th...

Page 5: ...hite BB Black SS Stainless Steel Model Year Designator Model Door Color T True White Glass Configuration B 30 in Range Nomenclature The letter designating the year repeats every 12 years Example T 1974 T 1986 T 1998 Serial Number The first two numbers of the serial number identify the month and year of manufacture Example AS123456S January 2009 A JAN 2009 S D FEB 2008 R F MAR 2007 M G APR 2006 L H...

Page 6: ...A Pad Touch the PIZZA pad Touch the number pads to select 1 for frozen or 2 for fresh pizza Touch the number pads to set the baking temperature Touch the START pad Baking time is determined by package directions Place pizza on top rack position of upper oven When using a metal tray use the lower rack position PROOF Pad Touch to raise yeast leavened products See the How to Set the Oven for Proofing...

Page 7: ... of day will flash in the display when there has been a power outage CONTROL LOCKOUT Pad Your control will allow you to lock out the touch pads and the cooktop so they cannot be activated when touched To lock the controls and cooktop Touch and hold the CONTROL LOCKOUT pad for 3 seconds The oven display will show on Loc on To unlock the controls Touch and hold the CONTROL LOCKOUT pad for 3 seconds ...

Page 8: ...es which size the surface unit is on To turn the surface unit off touch the 4 ON OFF pad again Cooktop Burner Controls To use a single surface unit Touch the 1 ON OFF pad Touch the 2 pad to choose the desired power setting To turn a single surface unit off touch the 3 ON OFF pad again To use the Melt feature touch the ON OFF pad then touch the MELT pad The element will automatically set to a prede...

Page 9: ...To use the cooktop griddle control Touch the 1 ON OFF pad to activate the griddle will appear in the display Use the 2 pad to choose the desired power setting The default is 375 The griddle offers nine power levels Power levels range from 200 to 400 in 25 increments Once the desired setting has been chosen PrE will be displayed until the desired temperature has been reached To turn the griddle uni...

Page 10: ...ture or the 1 ground wire Connect the green wire to the range body using the grounding screw 2 Connect the single black wire with ribs or the gray stripe wire to the left terminal of the junction block 3 Connect the larger of the two smooth black wires to the right terminal of the junction block and the 4 smaller of the two smooth black wires to the center terminal The cord is to be plugged into a...

Page 11: ...l a terminal block cord miswire This error will also appear if 120 VAC is not present between MJ21 5 and MJ20 3 It will also appear if there is less than 200 VAC between MJ20 1 and MJ20 3 MJ20 and MJ21 are both located on the RPSM main board See Schematics and Wiring Diagrams ...

Page 12: ...mponent Locator Views Continued next page Control Front View Control Panel Ovens Front View Hidden Bake Element Convection Fan and Element Broil Element Meat Probe Outlet Oven Temperature Sensor Halogen Lamp ...

Page 13: ...Glass Tri Ring Element Warming Zone Element Hot Surface Indicator Light Assembly Right Rear Element Left Front Element Left Rear Element Dual 5 8 Inch 240 Volt 1100 Watts 2400 Watts Power Boil 12 Inch Tri Ring 240 Volt 3000 Watts 6 1050 Watts 9 900 Watts 12 1050 Watts 8 Inch 240 Volt 2000 Watts Warming 240 Volt 120 Watts 6 Inch 240 Volt 1500 Watts ...

Page 14: ... Rear View RPSM Main Board Convection Fan Motor Convection Fan Capacitor RPSM Aux Board Terminal Block Convection Element Main Logic Board Capacitive Touch Assembly Capacitive Touch Assembly Broil Element ...

Page 15: ...ications J20 L1 L2 J21 Neutral in K1 Convection Fan Direction K3 Broil Bake Convection Elements K4 Oven Light K5 Warming Drawer Element K7 Bake Convection Elements K8 Convection Fan K10 Convection Element K11 Not Used K13 Lock Motor K14 Double Line Break Oven J7 J10 J20 K13 K8 K11 K5 K4 K1 K3 K7 K10 K14 J14 J21 J16 J17 Relay Jumper Wire Relay Jumper Wire J11 Continued next page ...

Page 16: ...ements J14 AK5 AK8 AK11 AK13 J17 Communications K1 LF Inner Element K2 RF Inner Element K4 LF Outer Element K5 CR Element K6 LR Element K8 RF Center Element K10 Double Line Break Cooktop K11 RR Element K13 RF Outer Element K14 Double Line Break Cooktop Continued next page J14 J17 J7 J2 J3 J5 J6 K10 K14 K4 K1 K5 K8 K11 K13 K2 K6 ...

Page 17: ...el to the range RPSM Main Board To remove the RPSM main board Remove the rear cover See 1 Rear Cover Removal Note In the following step do not remove the relay jumper wires orange wires from the control board Mark and disconnect the control board wiring 2 and wire harnesses Remove the four 1 4 in hex head screws that 3 attach the board to the oven Jumper Wire Jumper Wire Screw Screw Screw Screw ...

Page 18: ...o the oven Screw Screw Screw Screw Hidden Bake Element Before disassembling the range to access the hidden bake element check the resistance of the element by disconnecting the plug and checking between the orange and yellow wires The resistance reading of a good element is approximately 21 7Ω If the hidden bake element does need to be changed the procedure is the same as for the previous version ...

Page 19: ...sembly with position switches Cooktop elements are controlled by relays found exclusively on the RPSM Aux Board See Wiring Diagram No relay boards or line voltages are brought to the control panel To remove the control panel Pull the range out approximately 6 inches from 1 the wall Remove the six 1 4 in hex head screws that 2 hold the top of the rear panel to the range Remove the ground screw 3 Re...

Page 20: ...o switch analog signals To remove the capacitive touch glass Place the control panel in the service position 1 See Control Panel Main Logic Board The main logic board is located inside the control panel The left and right side ribbon connectors are replaceable components The middle ribbon connector is part of the capacitive touch glass To remove the main logic board Place the control panel in the ...

Page 21: ...orted oven sensor under 950 ohms a Disconnect sensor harness from control Measure resistance Should be 1100 ohms at room temperature with 2 ohms per degree change b Look for damaged harness terminals pins if resistance is OK F31x Open oven sensor over 2950 ohms F32x Temperature measurement circuit redundancy check within Main Logic Board bad Replace board F33x F40x Meat probe or jack shorted a Pro...

Page 22: ...l touch key chip signal error Replace Main Logic Board F7A0 Main Logic Board internal touch key chip memory error Replace Main Logic Board F7B0 Main Logic Board internal touch key chip memory error Replace Main Logic Board F800 Main Logic Board memory error Replace Main Logic Board F810 Main Logic Board memory error Replace Main Logic Board F820 Main Logic Board EEPROM memory error Replace Main Lo...

Page 23: ... fan operation Open winding as indicated by ohm check red to gray and blue to gray approx 60 ohms each Replace motor Fan loud Loose shaft nut Tighten shaft nut Do not bend blade Fan loud Convect cover screws or cavity screws loose Tighten If screw is stripped use larger screw No fan operation Check voltage blue to gray when fan is counterclockwise should read 120VAC Also check voltage red to gray ...

Page 24: ... to L1 to N Standby 0 240VAC 240VAC 0 240VAC 240VAC 0 0 120VAC 0 0 0 0 0 Broil Element 240VAC 0 0 0 0 0 0 240VAC Bake Element 0 240VAC 240VAC 240VAC 0 0 0 240VAC Convect Element 0 240VAC 240VAC 0 240VAC 240VAC 240VAC 240VAC See Convect Fan Conv Fan CW See Convect Element 120VAC 120VAC 0 Conv Fan CCW See Convect Element 120VAC 0 120VAC Oven Lamp 120VAC Door Motor 120VAC Warming Drawer 240VAC When c...

Page 25: ...Diagrams WARNING Disconnect electrical power before servicing Caution Label all wires prior to disconnection Wiring errors can cause improper and dangerous operation Verify operation after servicing Continued Next Page Schematic ...

Page 26: ... 26 Continued Next Page Wiring Diagram MODEL NUMBER PB920 IMPORTANT SERVICE IN FOR MA TION DO NOT DISCARD ...

Page 27: ...ty excludes the cost of shipping or service calls to your home Some states do not allow the exclusion or limitation of incidental or consequential damages This warranty gives you specific legal rights and you may also have other rights which vary from state to state To know what your legal rights are consult your local or state consumer affairs office or your state s Attorney General Warrantor Gen...

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