Alliance Laundry Systems BWNBX2PP303AW01 Troubleshooting Manual Download Page 9

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Theory of Operation

TLW451S_SVG

Front End Control

Pressure Sensor (Located inside control hood)

Agitator

Outer Tub

Pump

Motor

Output Board

Transmission

Washtub

10.

Mixing Valve

Figure 2

Introduction

DO NOT COPY or TRANSMIT

Part No. 204591EN

Summary of Contents for BWNBX2PP303AW01

Page 1: ...del Numbers TLW12C_SVG Original Instructions Keep These Instructions for Future Reference CAUTION Read the instructions before using the machine If this machine changes ownership this manual must accompany machine www alliancelaundry com Part No 204591EN August 2018 ...

Page 2: ......

Page 3: ...el 22 Motor Does Not Run 24 No Agitation 26 Constant Agitation 27 Washer Overheats Cycles On Motor Thermal Protector Switch Actuator Kicks In And Out 28 Slow Spin Or No Spin 29 Washer Will Not Spin Low Speed 30 Washer Will Not Spin High Speed 32 Constant Spin 34 Washer Stops In Cycle Quits After A Couple Loads Is Intermittent 35 Washer Is Locked Up Or Binding 36 Outer Tub Does Not Empty 37 Excessi...

Page 4: ...er Over Fills 50 No Agitation Low Speed 52 No Agitation High Speed 54 No Water Flow 56 Adjustments 57 Leveling Legs 57 Belt 57 Cleaning Non Electronic Coin Drop 57 Cleaning Electronic Coin Drop 59 Coin Drops with New Style Spring 59 Motor Test Procedure 63 Cycle Sequence Chart 64 Keys 64 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 4 Part No 204591EN ...

Page 5: ...lure to install maintain and or operate this product according to the manufacturer s instruc tions may result in conditions which can produce serious injury death and or property damage Do not repair or replace any part of the product or attempt any servicing unless specifically recom mended or published in this Service Manual and unless you understand and have the skills to car ry out the servici...

Page 6: ...ing or operating the machine Always contact your dealer distributor service agent or the man ufacturer about any problems or conditions you do not under stand Locating an Authorized Service Person Alliance Laundry Systems is not responsible for personal injury or property damage resulting from improper service Review all service information before beginning repairs Warranty service must be perform...

Page 7: ...D2SP115CW01 SWNBX2SP115TQ02 HWNBE2SP115CW01 SWNBX2SP115TW02 HWNBX2SP113FW01 SWNBX2SP123DW01 HWNBX2SP115CW01 SWNBX2SP303AW01 HWNBX2SP123DW01 SWNBX2SP303NQ22 HWNBX2SP543DW01 SWNBX2SP303NW22 HWNBY2PP115TW01 SWNBX2SP543DW01 HWNBY2SP115CW01 SWNBY2SP115TW01 NWNBX2SP303NW22 TWNBX2SP303NW22 Model Identification Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 7 Part No 204591EN ...

Page 8: ...nd address of the nearest authorized parts distributor For technical assistance call 920 748 3121 Serial Plate Location When calling or writing about your product be sure to mention model and serial numbers Model and serial numbers are located on Serial Plate as shown TLW12C_SVG1 1 1 Serial Plate Figure 1 Introduction Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 8 Part No 204591E...

Page 9: ...ont End Control 2 Pressure Sensor Located inside control hood 3 Agitator 4 Outer Tub 5 Pump 6 Motor 7 Output Board 8 Transmission 9 Washtub 10 Mixing Valve Figure 2 Introduction Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 9 Part No 204591EN ...

Page 10: ...ied to it by the transmission drive pulley After the wash agitation is completed the control advances into the first spin During spin the motor reverses turning in the clockwise direction to spin the water out of the washtub The combination of water washtub and load weight cause the drive belt tension on the idler side of the belt to overtake the idler spring pressure allowing the belt to become s...

Page 11: ...b Output Board Version Number is the output board software version number A Control Level The control will display the control type where is the control level 00 Dip Switch Value The control will display the status of dip switches 1 to 8 If a dipswitch is ON the value shown will be 1 If the dipswitch is OFF the value will be 0 PA Keypad Test is the number of the keypad being pressed You need to pr...

Page 12: ... is lit and the control ener gizes the high speed agitate motor out puts 0006 Low Agitate RINSE LED is lit and the control ener gizes the low speed agitate motor out puts 0007 Low Speed Spin SPIN LED is lit and the control energizes the low speed spin motor outputs 0008 High Speed Spin SPIN LED is lit and the control energizes the high speed spin motor outputs 0009 Warm Water Fill Hot and Cold wat...

Page 13: ... sure the seals have been lubricated 2 Stop the fill cycle and place the unit into a spin cycle 3 Run the cycle for several minutes until the belt has warmed up This will remove the set 4 Normal use will keep the belt from resetting 5 For extended periods of non use three to four weeks this procedure might need to be repeated Troubleshooting Coin Drop Non Electronic Coin Drops When coin is placed ...

Page 14: ...Refer to Cleaning Electronic Coin Drop 2 On electronic coin drops with an old style tension spring shown in Figure 4 and Figure 6 test and replace tension spring using the following instructions Remove Coin Drop From Machine 1 Disconnect electrical power to machine and drop 2 Remove coin drop from machine Test Tension Spring 1 Push coin return button to open and close coin drop cover to clear poss...

Page 15: ... until it is free from right tabs Refer to Figure 8 MIX3B_SVG 2 1 1 Center Tab 2 Tabs Figure 8 7 Use screwdriver to remove spring from center tab Refer to Figure 8 8 Lift spring with attached clip off drop 9 Remove clip from spring Refer to Figure 9 MIX4B_SVG 1 1 Clip Figure 9 10 Attach clip to new tension spring Part No 209 00598 02 11 Place clip installed on spring in slot on coin drop Refer to ...

Page 16: ... coin drop cover 16 Move tension spring over cover catch Refer to Figure 6 Reinstall Coin Drop Into Machine 1 Reinstall coin drop into machine 2 Reconnect electrical power to machine and drop 3 Add a coin to drop to verify that coin drop is operating prop erly and that electrical connection is working properly General Troubleshooting Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 1...

Page 17: ...y to check voltage using a multimeter Refer to the washer s serial plate to determine proper voltage it is designed to operate on Refer to Figure 1 for serial plate location Troubleshooting Flowcharts Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 17 Part No 204591EN ...

Page 18: ...replace hose Yes Is there proper voltage refer to serial plate output from output board to the mixing valve hot solenoid No Disconnect hot fill hose and clean or replace screen Yes Is hot solenoid inoperative Yes Replace output board No Is pressure hose clogged or damaged No Replace valve Yes Remove and clean or replace hose Yes Connect to proper faucets Yes Check water heater No Troubleshooting F...

Page 19: ...replace hose Yes Is there proper voltage refer to serial plate output from output board to the mixing valve cold solenoid No Disconnect cold fill hose and clean or replace screen Yes Is cold solenoid inoperative Yes Replace output board No Is pressure hose clogged or damaged No Replace valve Yes Remove and clean or replace hose Yes Troubleshooting Flowcharts Copyright Alliance Laundry Systems LLC ...

Page 20: ...play Is there no hot water Is there no cold water No Refer to No Hot Water flowchart Yes Refer to No Cold Water flowchart Yes Troubleshooting Flowcharts Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 20 Part No 204591EN ...

Page 21: ...ss damaged Yes Connect the sensor to the front end control No Is the pressure bulb or the sensor tube plugged No Replace pressure sensor harness Yes Is the pressure sensor hose cracked No Clear blockage Yes If error is still displayed then replace front end control No Replace pressure sensor hose Yes Troubleshooting Flowcharts Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 21 Part ...

Page 22: ...Yes Was there a siphoning action started in washer causing water to be siphoned from washer during cycle due to end of drain hose being lower than cabinet top of washer No Test pressure sensor and replace if inoperative Yes Does drain hose fit tight in standpipe or drain No Install 562P3 Siphon Break Kit Yes Is there water in pressure hose No Provide an air gap around drain hose and drain receptac...

Page 23: ...Continued from previous page Unit should operate properly Troubleshooting Flowcharts Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 23 Part No 204591EN ...

Page 24: ...unctions inoperative no start or motor hums only No Test for continuity through control circuits refer to wiring diagram and replace if inoperative Yes Is motor dead won t run No Refer to Test Procedures section to check start switch and start windings Yes Has motor overload protector cycled No Refer to Test Procedures section to check switch and windings Yes Is there a bind in upper or lower moto...

Page 25: ...ed or incorrect wiring Is power cord miswired No Refer to appropriate wiring diagram Yes Refer to appropriate wiring diagram for correct wiring Yes Troubleshooting Flowcharts Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 25 Part No 204591EN ...

Page 26: ... to check switch and windings Yes Is there broken loose shorted or incorrect wiring No Replace belt Yes Is transmission assembly inoperative No Refer to appropriate wiring diagram Yes Has drive motor overload protector cycled No Replace transmission assembly Yes Is there a bind in pump No Refer to Motor Does Not Run flowchart Yes Replace pump Yes Troubleshooting Flowcharts Copyright Alliance Laund...

Page 27: ...s there broken loose shorted or incorrect wiring No Test control and replace if inoperative Yes Refer to appropriate wiring diagram Yes Troubleshooting Flowcharts Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 27 Part No 204591EN ...

Page 28: ...ative Yes Is there a bind in pump No Refer to Motor Test Procedure section to check switch functions Yes Are brake pads or brake assembly binding No Replace pump Yes Have bearings transmission or motor locked up and will not turn No Free binding pads or replace pads and brake assembly Yes Is voltage incorrect No Check that all these components are able to move freely Correct binding component Yes ...

Page 29: ... Replace belt Yes Has drive motor overload protector cycled No Refer to Motor Test Procedure section to check switch and windings Yes Is there no clearance between brake pads and discs No Wait 5 to 10 minutes for overload protector to reset If protector cycles repeatedly refer to Motor Does Not Run flowchart Yes Is there broken loose shorted or incorrect wiring No Replace pads and brake assembly Y...

Page 30: ...or No 5 Is there voltage across H3 6 on control to terminal 8 of the motor Yes Check operation of motor thermal protector Replace motor if necessary No 6 Is there voltage across terminals 6 and 8 of the motor Yes Replace output board No 7 Is there voltage from H3 7 on control to terminal 6 of the motor Yes Correct wiring to the motor No 8 Is there voltage from H3 5 on control to terminal 1 of the ...

Page 31: ...Washer Will Not Spin Low Speed Troubleshooting Flowcharts Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 31 Part No 204591EN ...

Page 32: ...tor No 5 Is there voltage across H3 6 on control to terminal 8 of the motor Yes Check operation of motor thermal protector Replace motor if necessary No 6 Is there voltage across terminals 6 and 8 of the motor Yes Replace output board No 7 Is there voltage from H3 7 on control to terminal 6 of the motor Yes Correct wiring to the motor No 8 Is there voltage from H3 5 on control to terminal 1 of the...

Page 33: ...Washer Will Not Spin High Speed Troubleshooting Flowcharts Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 33 Part No 204591EN ...

Page 34: ...rative Yes Is there excessive wear on brake pads or missing brake pads No Replace brake pads and brake assembly Yes Is there shorted or incorrect wiring No Replace brake pads and brake assembly Yes Refer to appropriate wiring diagram Yes Troubleshooting Flowcharts Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 34 Part No 204591EN ...

Page 35: ...ive Yes Has motor overload protector cycled No Refer to appropriate wiring diagram Yes Are motor switch functions inoperative No Wait 5 to 10 minutes for overload protector to reset If protector cycles repeatedly refer to Motor Does Not Run flowchart Yes Has brake transmission or motor locked up and will not turn No Refer to Motor Test Procedure section to check switch functions Yes Check that all...

Page 36: ...ce bearing Yes Is there a bind in transmission No Replace pump Yes Are brake pads binding No Repair or replace transmission Yes Is voltage incorrect No Free binding pads or replace pads Yes Contact local utility company or have a qualified electrician check power supply Yes Troubleshooting Flowcharts Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 36 Part No 204591EN ...

Page 37: ...lip in base of cabinet No Straighten hose Yes Is there an obstruction in the pump No Remove washer front panel and install drain hose into base retainer block on base Yes Is there an obstruction in outer tub or outlet hose No Remove obstruction Yes Is water pump inoperative No Remove obstruction Yes Replace pump Yes Troubleshooting Flowcharts Copyright Alliance Laundry Systems LLC DO NOT COPY or T...

Page 38: ...ar leveling legs are free Yes Are cabinet screws incorrect or loose No Relocate washer or support floor to eliminate weak or spongy condition Yes Is base damaged washer was dropped No Replace with correct screws or tighten Yes Is there lubricant on pivot dome and or base friction ring No Replace base assembly Yes Is partial liquid filled balance ring leaking No Remove lubricant or replace parts Ye...

Page 39: ...Troubleshooting Flowcharts Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 39 Part No 204591EN ...

Page 40: ... Yes Is water coming out of overflow holes in upper tub cover due to out tub leaning back or not level No Replace gasket Yes Is there an obstruction in drain causing water to come over top of outer tub cover No Level washer Yes Are tub cover drain holes plugged No Remove obstruction Yes Is tub to pump hose leaking at clamp No Clean drain holes Yes Tighten clamp Yes Troubleshooting Flowcharts Copyr...

Page 41: ...r initialization Power down power up and try again EC18 No Communica tion Card reader is initialized communication lost Power down power up and try again If error persists replace control or card reader EC19 No Card Reader Communication Communication failure Power down power up and try again If error persists replace control or card reader Right most deci mal point Lit Water Leak Detec tion Error ...

Page 42: ... control being attached Use Factory Test Procedure to determine front end control s control level En 39 Corrupted Data on Machine ID Con trol Try cycling power to machine If error continues check for damage to Machine ID Control and harness and or replace Machine ID Control with a correctly configured Machine ID Control En 3E Machine control cannot be config ured with the Ma chine ID Control in th...

Page 43: ...k command must be sent This error is triggered when an un safe high water level is detected in the machine and water is unable to drain E PS Pressure Sensor Error If the control does not detect a valid water level sensor input for thirty 30 seconds or if the Max Overflow Fill Level in the control is set to 0 while in Run Mode Factory Test Mode or Overflow Mode the control will enter Machine Error ...

Page 44: ...output board H2 4 to H2 5 Yes Check for power at the wall outlet Check wiring from plug No 3 Is there 12 Volts DC on front end control H2 4 to H2 5 Yes Replace output board No Replace front end control Yes Check harness for damage Replace if needed No Troubleshooting Electronic Control Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 44 Part No 204591EN ...

Page 45: ...No Visible Display on Control Troubleshooting Electronic Control Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 45 Part No 204591EN ...

Page 46: ...ady mode Yes 2 From the coin drop is the 3 pin connector properly plugged in Yes Properly reseat connection and conduct diagnostic test again No 3 Are the wires exiting the coin drop optical sensor cracked or broken Yes Properly reseat connection and conduct diagnostic test again No Replace electronic control No Replace the coin drop Yes Troubleshooting Electronic Control Copyright Alliance Laundr...

Page 47: ...Coins Ignored When Entered Troubleshooting Electronic Control Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 47 Part No 204591EN ...

Page 48: ...3 2 to H1 4 Yes Close lid No 2 Is there voltage from the output board to the water valves at H4 8 Hot and H4 7 Cold to H4 1 Yes Check function of lid switch Replace if needed No 3 Is there voltage at the mixing valve solenoids Yes Replace output board No Replace mixing valve Yes Check harness for damage Replace if needed No Troubleshooting Electronic Control Copyright Alliance Laundry Systems LLC ...

Page 49: ...Washer Will Not Fill Mixing Valve Diagnostic Troubleshooting Electronic Control Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 49 Part No 204591EN ...

Page 50: ...n either the orange wire of the hot valve or gray wire of the cold valve to neutral No Replace mixing valve Yes Refer to Pressure Sensor Error or Water Fill Does Not Stop At Proper Level flowcharts Yes Unit works properly No Troubleshooting Electronic Control Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 50 Part No 204591EN ...

Page 51: ...Washer Over Fills Troubleshooting Electronic Control Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 51 Part No 204591EN ...

Page 52: ...d motor No 5 Is there voltage at H3 5 on the control to terminal 8 on the motor Yes Check operation of thermal protector in the motor Replace motor if necessary No 6 Is there voltage across terminal 1 8 of the motor Yes Replace output board No 7 Is there voltage between terminal 1 of the motor and H3 7 on the control Yes Correct wiring between control and motor Check capacitor replace if necessary...

Page 53: ...No Agitation Low Speed TLW447S_SVG1 2 1 4 3 5 6 7 Troubleshooting Electronic Control Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 53 Part No 204591EN ...

Page 54: ...3 5 on the control to terminal 4 on the motor Yes Correct wiring between control and motor No 5 Is there voltage across terminal 1 4 of the motor Yes Replace output board No 6 Is there voltage between terminal 1 of the motor and H3 7 on the control Yes Correct wiring between control and motor Check capacitor replace if necessary No Replace motor Yes Correct wiring between motor terminal 8 and cont...

Page 55: ...No Agitation High Speed TLW447S_SVG4 1 3 4 5 6 2 Troubleshooting Electronic Control Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 55 Part No 204591EN ...

Page 56: ... sensor hose have cracks or leaks Yes Refer to Washer Will Not Fill Mixing Valve Diagnostic flowchart No Refer to Pressure Sensor Error flowchart No Replace hose Yes Troubleshooting Electronic Control Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 56 Part No 204591EN ...

Page 57: ...he washer forward on front legs and lower back down into position to set the rear self leveling legs 4 Washer must not rock When washer is level and does not rock tighten locknuts securely against bottom of washer base If these locknuts are not tight washer will not remain station ary during operation Improper installation or flexing of weak floor will cause exces sive vibration Do not slide washe...

Page 58: ...or lint and residue If lint or light residues are present use a cotton swab to remove If heavy residue is present it may be necessary to first scrape off excessive residue and then use a cotton swab dipped in water or isopropyl alcohol rubbing alcohol to remove re mainder of residue Refer to Figure 15 DRY5B_SVG 1 1 Cotton Swab Figure 15 9 Check coin return pendulum to verify it swings freely If pe...

Page 59: ...een completed corrosion of metal or vandalized components within coin drop may be preventing the coin drop from functioning correctly Replace coin drop Cleaning Electronic Coin Drop 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 build up Follow the instructions below for cleaning the coin drop IMPORTANT Never use ...

Page 60: ...posed surfa ces with an alcohol moistened lint free cloth Refer to Figure 20 Pre 2018 DRY2405N_SVG 2018 and Later Figure 20 5 Clean residue from coin rail with an alcohol moistened lint free cloth Refer to Figure 21 Adjustments Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 60 Part No 204591EN ...

Page 61: ... to Figure 22 Figure 22 7 Clean light sensors with a soft brush or air spray duster Refer to Figure 23 Pre 2018 DRY2407N_SVG 1 2018 and Later 1 Light Sensors Figure 23 8 Close cover for coin drop 9 Reinstall coin drop into machine 10 Reconnect electrical power to machine and drop Adjustments Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 61 Part No 204591EN ...

Page 62: ...a coin to drop to verify that coin drop is operating prop erly and that electrical connection is working properly Adjustments Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 62 Part No 204591EN ...

Page 63: ...ailure Meter Connections Reading Should Be If Not 1 Ground to Each Other Terminal Open Terminal shorted to ground 2 White to Yellow Closed Open thermal overload 3 Red to Brown 2 8 Ohms Start winding open or resist ance too high or too low 4 Blue to White 1 2 Ohms High speed winding 4 pole open or resistance too high or too low 5 Violet to White 2 5 Ohms approximate Low winding open High speed wind...

Page 64: ...0 Spin X Low 2 45 2 45 2 45 Pause X 0 10 0 10 0 10 Rinse Spin X Low 0 05 0 05 0 05 Spin and Spray X C Low 0 30 0 30 0 30 Spin X Low 1 00 1 00 1 00 Spin and Spray X C Low 0 30 0 30 0 30 Spin X Low 1 00 1 00 1 00 Pause X 0 10 0 10 0 10 Spin Final Spin X N High PP High D Low 7 00 6 00 5 00 Total 29 10 28 10 27 10 Keys H Hot W Warm C Cold Table continues N Normal Cycle PP Perm Press Cycle D Delicate C...

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