Jenn-Air W11356996 Service Manual Download Page 31

Page: 31 / 62

For Service Technician Use Only

COMPONENT TESTING

JennAir Built-in Coffee System

3-11

Strip Circuits

Coffee Heater System
Coffee Heater

Coffee Heater NTC

Steam Heater System
Steam Heater

Steam Heater NTC

MAIN BOARD

11.5

Ω

∗

ON/OFF

SWITCH

ON/OFF

SWITCH

TRIAC

HEATER

ELEMENTS

TCO

TERMINAL

BLOCK

TCO

NOTE:

Both heaters measured in parallel.

(To measure, upplug terminal F9 from Main Board.

NOTE:

Check TCO’s if open circuit is detected.

MAIN BOARD

COFFEE NTC

J6-1

MAIN BOARD

J6-2

90k

VDC

NTC INPUT

* Approximate value measured

at room temperature

MAIN BOARD

ON/OFF

SWITCH

ON/OFF

SWITCH

TRIAC

HEATER

ELEMENT

TCO

TERMINAL

BLOCK

NOTE:

Check TCO if open

circuit is detected.

15.4

Ω

TCO

MAIN BOARD

STEAM NTC

J12-1

MAIN BOARD

J12-2

112k

* Approximate value measured

at room temperature

NTC INPUT

VDC

Summary of Contents for W11356996

Page 1: ...SERVICE MANUAL Built in Coffee System W11356996...

Page 2: ...ervice Manual is to provide information that will enable the In Home Service Professional to properly diagnose malfunctions and repair the JennAir Built in Coffee System The objectives of this Service...

Page 3: ...OW DIAGRAM 3 7 COMPONENT TESTING CHART 3 9 STRIP CIRCUITS 3 11 SECTION 4 COMPONENT ACCESS 4 1 COFFEE SYSTEM EXPLODED VIEWS 4 2 COFFEE SYSTEM PART LIST 4 6 BEFORE DISASSEMBLING THE COFFEE SYSTEM 4 8 RE...

Page 4: ...iv n JennAir Built in Coffee System Notes...

Page 5: ...n 1 General Information This section provides general safety parts and information for the JennAir Built in Coffee System Coffee System Safety Product Features Model Serial label location Tech Sheet L...

Page 6: ...ety messages will follow the safety alert symbol and either the word DANGER or WARNING These words mean follow instructions instructions DANGER WARNING IMPORTANT SAFETY INSTRUCTIONS WARNING including...

Page 7: ...I J K L M N O P Q R S T U V W A Beans container lid B Pre ground door C Grinding adjustment dial D Beans container E Ground coffee funnel F Infuser G Coffee guide H Service door I Cup holder tray J Co...

Page 8: ...B A C D E A Total Hardness Test indicator paper B Ground coffee measure C Cleaning brush D Hot water steam spout E Connection nozzle cover D A B C F E G A Froth adjustment and CLEAN function dial B Li...

Page 9: ...GENERAL INFORMATION JennAir Built in Coffee System n 1 5 Model Serial Label Location Wiring Diagram Location A A Model Serial label A A Wiring diagram attached with tape...

Page 10: ...ve D Warming E Three Door Double Cutout B Coffee Maker Product Detail 60 Steam Oven 62 Speed Oven 64 Coffee Maker Size Cutout Width inches 24 27 30 YEAR H 2018 I 2019 J 2020 K 2021 COLOR S Euro SS P P...

Page 11: ...ode Yes Details Adjustable Coffee Strength Yes Dual Dispensing Spouts Yes LED Lighting Yes Pre Heat Rinse Function Yes Removable Brewing Unit Yes Serving Size Customization Yes Temperature Customizati...

Page 12: ...0 Hz Power 1350 W Pressure 218 psi 15 bar Water Tank Capacity 2 54 quarts 2 4 liters Coffee Section Temperature Probe 208 F 98 C Coffee Hot Water Thermal Fuse TCO 377 F 192 C Heating Element 600 600 W...

Page 13: ...hooting This section provides diagnostic fault codes and troubleshooting information for the JennAir Built in Coffee System Control Panel To Enter Service Mode To Enter Load Test Mode Measuring Coffee...

Page 14: ...change the control board the machine will reset it automatically Test Display Tests all the areas of the display See chart below for KEY areas on display KEY 1 KEY 2 etc Electric Test Used only by pr...

Page 15: ...alve To Exit the Service Mode To EXIT the service mode switch the Main On Off Switch to OFF or unplug the machine Measuring Coffee Temperature Procedure 1 Turn the machine on and run a rinse cycle 2 S...

Page 16: ...h water and or insert it correctly pushing it as far as it will go until it clicks into place GENERAL ALARM REFER TO USER MANUAL The inside of the coffee system is very dirty Clean the inside of the a...

Page 17: ...T KNOB TO START CLEANING Milk has been delivered recently and the tube inside the milk container must be cleaned Turn the froth adjustment dial to CLEAN TURN THE MILK FROTH ADJUSTMENT KNOB TO MILK POS...

Page 18: ...on Continue one click at a time until coffee delivery is satisfactory The effect can only be noticed after delivering two coffees The coffee is only coming out of one of the holes in the coffee spouts...

Page 19: ...at the end of descaling The water tank was not filled to the MAX level Empty the drip tray Follow the instructions displayed by the appliance and perform a third rinse cycle The appliance emits noise...

Page 20: ...For Service Technician Use Only DIAGNOSTICS TROUBLESHOOTING 2 8 n JennAir Built in Coffee System Notes...

Page 21: ...Testing This section provides the wiring diagram and component location for the JennAir Built in Coffee System Safety Wiring Diagram Ladder Diagram Main Board LED fan PCB Water Flow Diagram Coffee Ho...

Page 22: ...safe distance away from the appliance to prevent potential injury Always use the proper testing equipment After voltage measurements always disconnect power before servicing IMPORTANT Electrostatic D...

Page 23: ...E REINFORCING HALL SENSOR ENCODER BRACKET NTC H E TEMPERATURE COFFEE FLOWMETER NTC H E TEMPERATURE STEAMER GRAY CABLE 1 RED CABLE 3 GRAY CABLE 2 RED CABLE 3 GRAY CABLE 2 BROWN CABLE 4 G Y CABLE 1 BLUE...

Page 24: ...UP INFUSION MOTOR M3 DRAWER MICROSWITCH M4 DOOR MICROSWITCH M5 IFD PRESENCE M6 JUG PRESENCE M7 WATER TANK PRESENCE OPTIONAL M8 MICROSWITCH ON STAND BY EV1 3 WAYS ELECTROVALVE WAY OUT EV2 2 WAYS ELECTR...

Page 25: ...AC EV1 3 Way Valve J1 3 GND Diverter Motor J1 4 120 VAC Pump J1 5 140 VDC Diverter Motor J1 6 120 VAC Switch M4 Service Dr CONNECTOR J2 Water Level Tank Presence J2 1 Water Level Tank Presence Input J...

Page 26: ...Display PCB J13 1 5 VDC J13 2 TX BUS Max 5 VDC J13 3 TX BUS Max 5 VDC J13 4 GND J13 5 7 VDC J13 6 Data Out Max 5 VDC J13 7 Data In Max 5 VDC J13 8 Clock Max 5 VDC TERMINAL PINS TERMINAL F1 Grinder Mo...

Page 27: ...m n 3 7 Water Flow Diagram Coffee Hot Water Circuit Legend Cold Water Flow Hot Water Flow A B C D K E F G H I J A Coffee heater B EV1 3 Way valve C Steam heater D EV2 2 Way valve E Infusion unit F Hot...

Page 28: ...ystem Water Flow Diagram Continued Steam Water Circuit A Coffee heater B EV1 3 Way valve C Steam heater D EV2 2 Way valve E Infusion unit F Hot water dispenser G Drip tray H Water tank I Flowmeter J P...

Page 29: ...VDC Pin 6 DATA OUT MAX 5 VDC Pin 7 DATA IN MAX 5 VDC Pin 8 CLOCK MAX 5 VDC N A Connector going to Display PCB Supplies circuit ground 5 VDC 7 VDC and transmission lines NOTE 12 VDC is provided when m...

Page 30: ...rd J5 1 Main Board J5 2 Continuity Located behind the drive motor for diverter Switch M3 Coffee Grounds Container Main Board J5 3 Main Board F2 Continuity Coffee grounds container removed open circuit...

Page 31: ...asured in parallel To measure upplug terminal F9 from Main Board NOTE Check TCO s if open circuit is detected BK R R BL BL BK GY GY GY GY MAIN BOARD COFFEE NTC J6 1 MAIN BOARD J6 2 90k VDC NTC INPUT A...

Page 32: ...J5 1 J4 3 J5 2 SWITCH M1 MAIN BOARD SWITCH M2 UPPER MICROSWITCH located on top of infuser ass y LOWERMICROSWITCH located behind Infuser motor BL BL W W VDC VDC L1 MAIN BOARD N 444k ON OFF SWITCH ON OF...

Page 33: ...upport bracket or controls cover BK BK BR R BL BL L1 MAIN BOARD N 6 2 ON OFF SWITCH ON OFF SWITCH PUMP SWITCH PTC L1 TERMINAL BLOCK J1 4 F5 PUMP POLARITY Positive side is connected to J1 4 If meter le...

Page 34: ...For Service Technician Use Only COMPONENT TESTING 3 14 n JennAir Built in Coffee System Notes...

Page 35: ...Coffee System Removing the Top Panel and Fan Panel Removing the Back Panel and Side Panel Removing the Main Power Board Removing the Grinder Assembly Grinder Setup Removing the Flow Meter Removing the...

Page 36: ...COMPONENT ACCESS 4 2 n JennAir Built in Coffee System Coffee System Exploded Views 1 2 3 4 5 6 7 8 9 10 11 7...

Page 37: ...COMPONENT ACCESS JennAir Built in Coffee System n 4 3 Coffee System Exploded Views 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27...

Page 38: ...ENT ACCESS 4 4 n JennAir Built in Coffee System Coffee System Exploded Views 28 29 30 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 55 56 57 58 59 60 61 62 63 64 65 66...

Page 39: ...e System Exploded Views 69 93 94 95 98 99 96 96 96 97 70 71 72 73 73 73 73 92 73 73 73 73 74 100 105 106 107 108 112 101 102 104 75 76 82 77 78 78 78 79 80 80 80 80 80 80 103 94 80 81 86 87 88 80 83 8...

Page 40: ...OIR 062 PISTON 019 WATER RESERVOIR 063 LEVER 020 DISPENSER HOT WATER 064 SPRING 021 PAN ASSEMBLY DRIP 065 STOPPER 022 CUP PLATE 066 VALVE 023 ASSEMBLY COVER 067 SPRING 024 HOPPER COFFEE BEAN 068 FLOWM...

Page 41: ...BRACKET 091 SOLENOID VALVE 106 TUBING 092 FORM TUBING 107 TUBING 093 THERMOSTAT 108 TUBING 094 SENSOR TEMPERATURE 109 TUBE GUIDE FLOW METER 095 REGULATOR PUMP 110 O RING 096 CLAMP SPRING 111 PROTECTOR...

Page 42: ...f coffee beans containers of ground coffee sugar creamer etc 6 If installed remove hot water spout or milk container 7 Remove water tank B 8 Open service door D and remove drip tray C with coffee grou...

Page 43: ...ws from the upper part of the top panel 3 Remove the screw located on the right side of the coffee system as shown below 4 Remove the two screws securing the fan assembly to the front panel Pull out f...

Page 44: ...ated above the power cord connection and on the right edge of the back panel 3 Remove the screws located on the right edge of the back panel Lift up the back panel 4 Remove the four screws on each sid...

Page 45: ...ng the following steps 2 Disconnect all harnesses If necessary disconnect label terminals and connectors for ease of re installation 3 To remove main board remove the five screws securing PCB to chass...

Page 46: ...t grinder adjustment knob 3 Lift up the grinder funnel to get access to the grinder assembly 4 Disconnect the motor terminals from the control board terminals F1 and F7 5 Lift up the grinder assembly...

Page 47: ...crease the coarseness of the grind thicker turn the gear counter clockwise To decrease the coarseness of the grind finer turn the gear clockwise NOTE Before changing the setting check and mark the ini...

Page 48: ...d 6 Insert the white shaft making sure its larger notch is aligned with the one on the grinder 7 Turn the shaft clockwise till it stops to insert the upper gear Then enter the mill by turning back cou...

Page 49: ...n order to unclip it from the bottom support 3 Remove the two water tubes from the flow meter 4 Disconnect the flow meter cable from the control board terminal J7 WARNING Electrical Shock Hazard Disco...

Page 50: ...the lower pipe inlet of the pump 3 Remove the pump and its rubber holder from the chassis of the appliance 4 Disconnect the two hoses fixed by clips from the upper dumper of the pump 5 Remove the the...

Page 51: ...ee hoses by removing the fixing clips from the 3 way solenoid valve located on the back of the steamer 4 Remove the two screws which are securing the steamer bracket 5 Remove the cable connections fro...

Page 52: ...ir Built in Coffee System Removing the Steam Heater and 3 Way Valve Continued Steam Heater and 3 Way Valve Assembly C D E F B A A Steam Heater Element B Power Connection C Steam Outlet D Water Inlet E...

Page 53: ...two screws securing the infuser sled Remove the screw holding the transmission kit fulcrum 5 From the back of the coffee system remove the lower red and black cables which are feeding DC power supply...

Page 54: ...from the motor bracket Remove Diverter Motor from transmission assembly Infuser Assembly NOTE The infuser can be easily removed from the sled and can cleaned under running water Diverter Transmission...

Page 55: ...owing steps 3 Remove the wires connected to the upper micro switch Unclip the hose coming from the pump dumper 4 Remove four bolts one at each corner Take care as nuts are on the underside of the asse...

Page 56: ...nel 3 Remove the two screws securing the plastic cover for the LED and Fan board Remove the plastic cover 4 Disconnect the harnesses from the LED and Fan board 5 Remove the two screws from the PCB in...

Page 57: ...assembly is not a serviceable part To replace the display the entire front panel assembly must be replaced NOTE The front panel can be easily removed once the side panels and fan have been removed 5 D...

Page 58: ...hot water 2 Way Solenoid Valves Steam 1 Complete the steps 1 5 from Removing the Top Panel and Fan Panel 2 Complete the steps 1 3 from Removing the Back Panel and Side Panel prior to performing the f...

Page 59: ...plastic cover 2 Unlock the IFD plastic cover from its clips and remove it from the chassis of the appliance 3 Remove the screw which is securing the IFD spout WARNING Electrical Shock Hazard Disconnec...

Page 60: ...4 Pull the spout from the IFD assembly 5 Remove the two screws which are securing the IFD assembly Remove the IFD assembly NOTE The screw is also holding the micro switch for the milk jug and steam s...

Page 61: ...TO IDENTIFY YOU AS AN AUTHORIZED IN HOME SERVICE PROFESSIONAL FOR LITERATURE ORDERS CUSTOMER EXPERIENCE CENTER PHONE 1 800 851 4605 FOR TECHNICAL INFORMATION AND SERVICE POINTERS www servicematters co...

Page 62: ...JennAir Built in Coffee System W11356996...

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