ALLIANCE BTEBCFSP171TW01 BTEBEFSP171TW01 Troubleshooting Manual Download Page 85

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802748

MDC Troubleshooting – Dryer Control

No Visible Display on Dryer Control

Summary of Contents for BTEBCFSP171TW01 BTEBEFSP171TW01

Page 1: ...www comlaundry com Troubleshooting Part No 802748R3 June 2011 Commercial Stacked Washer Dryers Refer to Page 6 for Model Numbers SWD447C...

Page 2: ......

Page 3: ...ops In Cycle Quits After The First Few Loads Has A Burning Smell Cycles On Motor Thermal Protector 23 6 Dryer Motor Runs But Cylinder Does Not Turn 24 7 Dryer Motor Does Not Stop 25 8 Dryer Runs Only...

Page 4: ...ic Dryer Models 75 40 No Heat Gas Dryer Models 77 Section 7 MDC Troubleshooting Dryer Control 79 41 Error Code Listing 79 42 Coins Ignored When Entered in Dryer Coin Drop 80 43 No Visible Display on D...

Page 5: ...structions IMPORTANT The word IMPORTANT is used to inform the reader of specific procedures where minor machine damage will occur if the procedure is not followed NOTE The word NOTE is used to communi...

Page 6: ...ician and using authorized factory parts To reduce the risk of electric shock fire explosion serious injury or death Disconnect all electric power to the machine and accessories before servicing Close...

Page 7: ...t Alliance Laundry Systems at 920 748 3950 for the name and address of the nearest authorized parts distributor For technical assistance call either of the numbers listed below 920 748 3121 Ripon Wisc...

Page 8: ...ctric BTEX77 N4350 X Electric BTGBCFSP111TW01 X Gas BTGBEFSP091CW01 X Gas BTGBEFSP111TW01 X Gas BTGBLFSP301AW01 X Gas BTGX79 N1127 X Gas BTGX79 N3060 X Gas HTEB77 N2802 X Electric HTET77 N X Electric...

Page 9: ...Electric STEX77 N3000 X Electric STEX77 N4064 X Electric STEX77 N4350 X Electric STEX77 N5400 X Electric STEX77 N5754 X Electric STEY77 N X Electric STEY77 N4064 X Electric STEY77 N5754 X Electric STG...

Page 10: ...es some of the same principles of operation as the typical topload washers It senses water level it dispenses the desired laundry detergent agitates the clothes for good cleaning action removes the wa...

Page 11: ...lance condition Control may limit speed to 850 650 or 500 RPM depending on severity of out of balance condition Technical Washer The basic operational system of this washer consists of the electronic...

Page 12: ...orrect coin drop problems Oil residue will prevent coins from rolling properly IMPORTANT Do not bend or damage mechanical parts within coin drop To reduce the risk of electric shock fire explosion ser...

Page 13: ...electric power before servicing motor W502 WARNING Troubleshooting Coin Drop Is machine level Machines that aren t level may prevent coins from following through required check stages of drop No Yes N...

Page 14: ...Clean coin drop Refer to Paragraph 55 2 On electronic coin drops with an old style tension spring shown in Figure 2 and Figure 4 test and replace tension spring using the following instructions Remove...

Page 15: ...ng motor W502 WARNING 3 Place a small flathead screwdriver under right side of tension spring and lift up Refer to Figure 5 4 Use screwdriver to move spring approximately 3 mm to left 5 Lift spring ov...

Page 16: ...rounded Washer motor not grounded Disconnect electric power before servicing motor W502 WARNING 12 Use a small flathead screwdriver to push spring under center tab Refer to Figure 9 13 Lift spring gen...

Page 17: ...sure that the machine is properly grounded Washer motor not grounded Disconnect electric power before servicing motor W502 WARNING 2 Washer Motor Circuit 3 Troubleshooting Knocking Noise If a frontloa...

Page 18: ...that the machine is properly grounded Washer motor not grounded Disconnect electric power before servicing motor W502 WARNING 4 No Spin Due to Out of Balance Switch Wiring Problem Starting Serial Nos...

Page 19: ...paired with UL approved terminals e After replacing or repairing the wire harness wrap electrical tape around wires in two locations as indicated below and in Figure 10 Then secure the harness wires t...

Page 20: ...it spin at high speed Motor and motor control board are operating properly Do not replace them Yes With no load rapid advance to final spin or select spin only cycle Close door and start washer BEFORE...

Page 21: ...or an out of balance condition may mean one or more shock absorbers need to be replaced To determine if there is an inoperative shock 1 Remove front access panel 2 Check height of rod or rod spacing...

Page 22: ...cessories before servicing Close gas shut off valve to gas dryer before servicing Never start machine with any guards panels removed Whenever ground wires are removed during servicing these ground wir...

Page 23: ...ious injury or death Disconnect all electric power to the machine and accessories before servicing Close gas shut off valve to gas dryer before servicing Never start machine with any guards panels rem...

Page 24: ...nd start windings Check for foreign objects jammed in blower wheel Yes Is motor dead won t run Refer toAdjustments section to check start switch start windings and main windings Yes Has motor overload...

Page 25: ...washer load is a normal dryer load Maximum load dryer cylinder one half full of wet clothes Yes Is clothes cylinder binding Check cylinder for binding and out of round condition Check front and rear b...

Page 26: ...Is idler lever spring broken weak or disconnected Replace or reconnect spring Yes Is there oil on cylinder Wipe oil from cylinder Yes Is belt inside out Reinstall belt with ribbed surface against cyli...

Page 27: ...Does Not Stop Dryer motor does not stop Is wiring to motor switch incorrect Refer to wiring diagram Yes Is motor centrifugal switch sticky or plugged with lint No Remove dust or lint and spray with a...

Page 28: ...ry Systems LLC DO NOT COPY or TRANSMIT Dryer Troubleshooting 8 Dryer Runs Only When Door is Open Dryer runs only when door is open Is door switch miswired Rewire door switch Refer to wiring diagram Ye...

Page 29: ...Make sure both fuses are good Yes Is limit thermostat inoperative Test thermostat and replace if inoperative Yes Electric Models Is heater assembly inoperative Test heater assembly and replace if col...

Page 30: ...ain harness Reconnect as required Test igniter and replace if inoperative Refer to Dryer Test Procedures section Gas Models Is igniter inoperative Gas Models Is sensor inoperative Test sensor and repl...

Page 31: ...Supply Sufficient Gas Dryer Models Gas dryer models Igniter does not glow gas supply sufficient Is there power to power leads on valve pink and blue wires Check thermostats motor switch and wiring No...

Page 32: ...s Yes Is weather hood flapper restricted No Is burner heat holding sensor contacts open Replace sensor or correct gas supply problem No No SWD1696S Refer to Installation Instructions supplied with uni...

Page 33: ...n No Is gas supply insufficient Check gas supply and pressure Make sure gas shut off valve is turned on No Yes SWD1697S Replace gas valve in warranty or replace coils out of warranty Refer to Dryer Te...

Page 34: ...ons supplied with unit for exhaust requirements Yes Gas Models Is dryer properly equipped for type of gas used Refer to Gas Burner Conversion Procedures supplied in gas burner conversion kit Gas Model...

Page 35: ...ystem requirements Is exhaust duct made of plastic or thin foil No Replace with rigid or semi rigid metal exhaust duct Yes Is lint filter clogged Clean lint filter Yes Is there lint in internal dryer...

Page 36: ...leak at front panel seal Check and replace seal if necessary Check and replace seal s if necessary Is there an air leak at cylinder seal s Is there an air leak at blower seal Check and replace seal if...

Page 37: ...r heater assembly or burner does not shut off Is motor switch inoperative Must be in a heat setting Test switch and replace if inoperative Yes Motor does not stop No Refer toDryer Motor Does Not Stop...

Page 38: ...emove excess water Yes Is laundry load too small Add one or two bath towels to load Is there excessive lint on lint filter Clean lint filter Is exhaust system improper or inadequate Refer to Installat...

Page 39: ...completed No Allow the dryer to complete the cycle through the cool down to the OFF position Yes Is cycling thermostat inoperative Test cycling thermostat and replace if inoperative No Yes SWD1702S A...

Page 40: ...ssive chattering or vibrating noise in dryer Is idler spring inoperative Remove lower access panel Set dryer to normal cycle and allow it to heat to operating temperature If the belt vibrates as it ro...

Page 41: ...Whistling Noise in Dryer Excessive humming or whistling noise in dryer Is blower housing inoperative If the abnormal operating noise is loudest at the vent exit the problem is originating from the bl...

Page 42: ...isconnect all electric power to the machine and accessories before servicing Close gas shut off valve to gas dryer before servicing Never start machine with any guards panels removed Whenever ground w...

Page 43: ...r code occurs when the door is not closed at the start of an active cycle If the door is closed check for wiring or door switches E do Door open error This error code occurs if the control detects the...

Page 44: ...owand closer and try again No Yes Does the Microwand prompt Control Mismatch error Is there any control response Yes Check the following Microwand battery voltage Blockage of IR window on control Atta...

Page 45: ...d advance to Coin Drop Test Reset control to ready mode Yes No Is H7 connector properly seated on the control board No Properly reseat connection and conduct diagnostic test again Yes From the coin dr...

Page 46: ...an outlet and check for proper supply voltage No Yes 1 No Is there 24 Volt AC at the output side of the transformer Refer to machine serial plate for correct voltage Is there 220 240 VAC or 120 VAC to...

Page 47: ...iance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster and MDC Troubleshooting Washer Control No Visible Display on Washer Control Models with 220 240 VAC 220 240 VAC or 120 VAC 50 60 Hz SEE MACH...

Page 48: ...ll Not Start No Door Lock Washer will not start Vend satisfied Is there 220 240 VAC or 120 VAC across H4 5 and H6 5 on the control board 1 2 Yes Replace the electronic Control Board No Is there 220 24...

Page 49: ...liance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster and MDC Troubleshooting Washer Control Washer Will Not Start door Displayed Models with 220 240 VAC 220 240 VAC or 120 VAC 50 60 Hz SEE MAC...

Page 50: ...lay Is there 220 240 VAC or 120 VAC across terminals H4 4 and H6 5 on the electronic control 1 No Yes Washer will not start Vend satisfied Replace the electronic control board Replace the door lock as...

Page 51: ...lliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster and MDC Troubleshooting Washer Control Washer Will Not Start E dL on Display Models with 220 240 VAC 220 240 VAC or 120 VAC 50 60 Hz SEE M...

Page 52: ...and H9 4 on the motor control 1 2 Yes Yes Correct wiring from pressure switch or replace pressure switch Is there 220 240 VAC or 120 VAC across terminals H9 6 to H1 1 hot and H9 3 to H1 1 cold Yes No...

Page 53: ...ndry Systems LLC DO NOT COPY or TRANSMIT NetMaster and MDC Troubleshooting Washer Control Washer Will Not Fill Machine empty no E SP on display Models with 220 240 VAC 220 240 VAC or 120 VAC 50 60 Hz...

Page 54: ...120 VAC to the over level terminal on pressure switch to neutral Yes No Replace inoperative pressure switch Is there 220 240 VAC or 120 VAC across the coil of either the hot or cold water solenoid Ye...

Page 55: ...yright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster and MDC Troubleshooting Washer Control Washer Overflows Models with 220 240 VAC 220 240 VAC or 120 VAC 50 60 Hz SEE MACHINE SERIAL...

Page 56: ...oss the wht blk and the white wire going to the pump or drain valve Is there 220 240 VAC or 120 VAC across terminals H6 2 and H6 5 If the pump or drain valve does not operate check for blockage Replac...

Page 57: ...nce Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster and MDC Troubleshooting Washer Control Washer Pump or Drain Valve Does Not Operate Models with 220 240 VAC 220 240 VAC or 120 VAC 50 60 Hz SEE...

Page 58: ...4 No Correct wiring from electronic control to motor control Is there continuity through each wire of the harness from H2 on the electronic control to H7 on the motor control Yes Change the motor con...

Page 59: ...aundry Systems LLC DO NOT COPY or TRANSMIT NetMaster and MDC Troubleshooting Washer Control Serial Communication Error E SP on washer display Models with 220 240 VAC 220 240 VAC or 120 VAC 50 60 Hz SE...

Page 60: ...r Motor Does Not Run E df on display Motor does not run E df on display 1 No Is there continuity between motor terminals Refer to values at right Yes Check motor plug or replace motor control Replace...

Page 61: ...iance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster and MDC Troubleshooting Washer Control Washer Motor Does Not Run E df on display Models with 220 240 VAC 220 240 VAC or 120 VAC 50 60 Hz SEE...

Page 62: ...or SH displayed Models equipped with heater No Yes 2 1 Check wiring to thermistor Measure resistance at connector H3 on electronic control Is resistance value between 500 and 35 000 ohms Measure resis...

Page 63: ...802748 61 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster and MDC Troubleshooting Washer Control Washer Will Not Heat OP or SH displayed 2 1...

Page 64: ...ify water temperature is less than selected cycle temperature set point Is there 230 volts across terminals A1 A2 on the heat relay No Yes No Correct wiring between the heat relay coil and the electro...

Page 65: ...802748 63 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster and MDC Troubleshooting Washer Control Washer Will Not Heat Models equipped with heater 2 1 1 1 1 1 1...

Page 66: ...type Before downloading ensure data is for current machine type EI 0F Invalid Wakeup or IR Disabled Communication problem or IR is disabled Manually enable IR on control Re aim Micro wand and try agai...

Page 67: ...C and clear card for re use EC 25 Card Reader Malfunction Bad Card Reader Card Reader may need to be replaced EC 26 Card Write Error Try card again If error persists card may be bad EC 27 Diagnostic T...

Page 68: ...uses are shorted thermistor short in wiring between control and thermistor or control E 00 General Error Re aim Micro wand and try again E 01 Proximity Error Micro wand is improperly aimed at infrared...

Page 69: ...trol firmly seated in its receptacle Is the 3 pin connector between the coin drop and the control connected correctly Are wires exiting coin drop optical sensor cracked or broken Start coin drop diagn...

Page 70: ...gain Check the following Low battery on microwand Is the IR window covered or blocked on the control If needed replace the electronic control Is the IR cup properly attached to the microwand Communica...

Page 71: ...lace the transformer Are there 24 volts AC across terminals H1 3 and H1 1 on the control Correct wiring to the primary of the transformer Make sure the machine is plugged in and power is on Are there...

Page 72: ...70 802748 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster Troubleshooting Dryer Control No Display on Dryer Control 3 2 1 DRY352S_...

Page 73: ...heck neutral supply to control Correct wiring to door switch Check operation of the door switch Replace if necessary Is there voltage across terminals H2 1 and H2 6 Is there voltage on the N O termina...

Page 74: ...72 802748 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster Troubleshooting Dryer Control Dryer Door Open 3 1 2 DRY356S_...

Page 75: ...and H2 6 on the control Is there voltage across H2 1 and H2 6 on the control Replace the motor Correct the wiring to the motor Replace the electronic control Refer to door open troubleshooting NOTE C...

Page 76: ...74 802748 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster Troubleshooting Dryer Control Dryer Motor Will Not Start 3 1 2 DRY358S_...

Page 77: ...Is there voltage on FS 1 on the control to L2 Is there voltage on FS 2 on the control board to L2 Check for proper operation of centrifugal switch on motor Does it operate properly Replace heating ele...

Page 78: ...76 802748 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster Troubleshooting Dryer Control No Heat Electric Dryer Models 6 7 5 4 3 2 1 8 DRY360S_...

Page 79: ...FS 1 and H2 3 neutral on the control Correct wiring between FS 1 and limit thermostat Is there voltage across FS 2 and H2 3 neutral on the control Make sure unit is calling for heat Check operation of...

Page 80: ...78 802748 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NetMaster Troubleshooting Dryer Control No Heat Gas Dryer Models 6 1 2 3 4 5 DRY362S_...

Page 81: ...ines No Card Reader Communication This error code indicates there is no card reader communication The control and the reader cannot communicate Check reader control and harness NOTE For all other Card...

Page 82: ...in connector between the coin drop and the control connected correctly Are wires exiting coin drop optical sensor cracked or broken Start coin drop diagnostic test Refer to Production Test Cycle secti...

Page 83: ...802748 81 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT MDC Troubleshooting Dryer Control Notes...

Page 84: ...the transformer Is there 24 volts AC across terminals H1 3 and H1 1 on the control Correct wiring to the primary of the transformer Make sure the machine is plugged in and power is on Is there 24 Vol...

Page 85: ...802748 83 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT MDC Troubleshooting Dryer Control No Visible Display on Dryer Control 1 2 3...

Page 86: ...k neutral supply to control Correct wiring to door switch Check operation of the door switch Replace if necessary Is there voltage across terminals H2 1 and H2 6 Is there voltage on the N O terminal o...

Page 87: ...802748 85 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT MDC Troubleshooting Dryer Control Dryer Door Open 1 2 3...

Page 88: ...d H2 6 on the control Is there voltage across H2 1 and H2 6 on the control Replace the motor Correct the wiring to the motor Replace the electronic control Refer to door open troubleshooting NOTE Chec...

Page 89: ...802748 87 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT MDC Troubleshooting Dryer Control Dryer Motor Will Not Start 1 2 3...

Page 90: ...there voltage on FS 1 on the control to L2 Is there voltage on FS 2 on the control board to L2 Check for proper operation of centrifugal switch on motor Does it operate properly Replace heating elemen...

Page 91: ...802748 89 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT MDC Troubleshooting Dryer Control No Heat Electric Dryer Models 1 2 8 3 4 5 6 7...

Page 92: ...t wiring between FS 1 and limit thermostat Check for proper air flow making sure venting is not blocked and lint screen is clean Replace limit thermostat Correct wiring between limit thermostat and ga...

Page 93: ...802748 91 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT MDC Troubleshooting Dryer Control No Heat Gas Dryer Models 6 1 2 3 4 5 208 VAC or 240 VAC 50 Hertz Refer to machine nameplate...

Page 94: ...orted structures is not recommended b Place a level on the cabinet top and check if unit is level from side to side and front to back NOTE Level must be on a raised portion of top panel Refer to Figur...

Page 95: ...y guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the machine is properly grounded Washer motor not grounded Disconnect e...

Page 96: ...access panel opening on rear panel a While supporting lower front access panel remove two screws from bottom edge of access panel and remove panel b Working through the access door opening place a lo...

Page 97: ...or bezel to inner door bezel Refer to Figure 16 c Pull hinge side of outer bezel away from door and slide forward Refer to Figure 16 d Remove two screws and nuts holding door catch to door and remove...

Page 98: ...ng Close gas shut off valve to gas dryer before servicing Never start machine with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected t...

Page 99: ...ounded Disconnect electric power before servicing motor W502 WARNING 52 Shipping Braces All stacked washer dryers when shipped from the factory are equipped with two factory installed shipping support...

Page 100: ...nel c Add coins or card to satisfy vend d Close the loading door Start the dryer in a heat setting refer to Operating Instructions supplied with the dryer The dryer will start the igniter will glow re...

Page 101: ...ling through coin drop blow compressed air through coin entry and along the side of the coin drop Refer to Figure 20 d Insert a coin through the coin drop If coin does not roll through drop continue w...

Page 102: ...o ensure that pendulum swings freely Refer to Figure 23 j Check coin drop sensor for dust or dirt on eyes Wipe eyes with dry cotton swab Refer to Figure 24 IMPORTANT DO NOT use isopropyl alcohol to cl...

Page 103: ...e servicing motor W502 WARNING 55 Cleaning Electronic Coin Drop NOTE The electronic coin drop should be cleaned once a year Clean the drop more often if it is exposed to high levels of residue or lint...

Page 104: ...res must be reconnected to ensure that the machine is properly grounded Washer motor not grounded Disconnect electric power before servicing motor W502 WARNING NOTE Do not overbend the spring by openi...

Page 105: ...these ground wires must be reconnected to ensure that the machine is properly grounded Washer motor not grounded Disconnect electric power before servicing motor W502 WARNING f Clean light sensors wi...

Page 106: ...104 802748 Adjustments Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Notes...

Page 107: ...t electric power before servicing motor W502 WARNING Section 9 Dryer Test Procedures IMPORTANT Electrical test procedures in this service manual are performed by using a Volt Ohm meter Tests can also...

Page 108: ...copper wire Inoperative start switch Replace switch Unplug the motor wire harness from the motor connection block before starting this test B Manually depress actuator Continuity broken between switch...

Page 109: ...ower before servicing motor W502 WARNING d Motor Windings Refer to SECTION 10 for Internal Wiring of the Dryer Motor Switch Disconnect electric power to dryer before performing any of the following st...

Page 110: ...NING 57 Motor Switch a Remove motor and exhaust fan assembly b Remove the two motor switch attaching screws Refer to Figure 39 Disconnect switch leads Remove motor switch c Remove thermal overload pro...

Page 111: ...ated between top of motor switch and plastic clip Lift up on handle of screwdriver until both clip and thermal overload protector detach from motor switch Refer to Figure 35 d Attach the thermal overl...

Page 112: ...he current to travel around the secondary coil and through the igniter causing the igniter to get hot c Burner Circuit In approximately 30 seconds the igniter attains ignition temperature and ignition...

Page 113: ...ls on the dryer harness plug that would correspond to terminals 1 and 2 on the coil Figure 36 Meter should register line voltage in all Fabric settings except FLUFF which should read zero VAC g If met...

Page 114: ...off valve Refer to Figure 19 d Remove wires from sensor terminals e Set test meter to read Ohms and put meter probes on sensor terminals Meter should read zero Ohms If meter registers an Ohm reading o...

Page 115: ...is open then replace BOTH the thermal fuse and the limit thermostat 64 Heater Assembly Electric Models a While supporting the access panel remove two screws from bottom edge of access panel b Gently...

Page 116: ...02 WARNING 66 Door Switch a While supporting the access panel remove two screws from bottom edge of access panel b Gently lower the access panel to disengage locators from bottom edge of front panel c...

Page 117: ...s removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the machine is properly grounded Washer motor not grounded Disconnect electric power...

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ALLIANCE BTEBCFSP171TW01 BTEBEFSP171TW01, Troubleshooting Manual

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