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SmartPool NC71AU, Repair Manual

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SmartPool NC71AU Repair Manual Download Page 47

w w w . s m a r t p o o l . c o m

47

14) Loosen the pressure fitting to the

Sensor Wheels, pull on the wires to
expose the connection and separate
the connection.

15) While reading

resistance/checking for
continuity, place the
prongs of the voltmeter
on the two metal contacts
on 1 of the 2 Sensor
Wheel connections and
rotate the Sensor Wheel.
Repeat this process for
the other wheel.

• If the circuit does not Open and Close then replace the Chassis.

• If both Sensor Wheels Test OK then replace the Pump Motor and Water Test.

RESULTS

Summary of Contents for NC71AU

Page 1: ...w w w s m a r t p o o l c o m SMARTPOOL ROBOTIC POOL CLEANER REPAIR MANUAL ...

Page 2: ...WHEEL TUBE 9 NC7112 NON DRIVE WHEEL TUBE 10 NC7104 BRUSH MOUNT WITH BEARING L R SIDES 11 NC7116 TRACKS SET OF 2 12 NC7117 TRACK WHEELS SET OF 6 13 NC7105 CABLE STRAIN RELIEF 14 NC7118 TRACK WHEEL COVER L R SIDES 15 NC7109 HANDLE 16 NC7110 IMPELLER COVER 17 NC7103 BRUSH CENTER BRACKET 18 NC7119 UPPER LOWER GASKET SEAL 19 NC7111 INNER DRAIN FLAPS 20 NC7120 FILTER BAG 21 NC7102 BOTTOM LID 22 NC7101 B...

Page 3: ...3AU POWER SUPPLY 4 NC1012 02 FLOATING CORD 5 NC1006 02 DRIVE MOTOR 6 NC1010 DRIVE TUBE MOUNT 7 NC1011 CHASSIS BUMPER 8 NC1002 SENSOR WHEEL TIRE 9 NC1005 QUICK DRAIN FLAP 10 NC1017 FILTER BAG 11 NC1003 IMPELLER COVER 12 NC1008 HANDLE 13 NC1004 DRIVE BRUSH 14 NC1014 FOAM RING 15 NC1007 DRIVE WHEEL TUBE 16 NC1016 BOTTOM LID 17 NC1018 FRONT INTAKE 18 NC1019 REAR INTAKE 19 NC1015 IMPELLER ...

Page 4: ...r select one Handle Cable Strain Relief Chasis Cable Drive Motor Filter Bag Installation NFF Warranty Approval Description Description Items Received Fault mark all that apply Technician Date of Evaluation Power Supply Filter Bag Bottom Lid Caddy Complete Y N Comments select one Wall Scrubber Scrubber 60 Admiral Ultra Please complete and fax or email this form Along with Proof of Purchase to 732 7...

Page 5: ...r Time In Time Out Pass Fail Test 2 Tank Number Time In Time Out Pass Fail Defective Drive Motor Pump Motor Sensor Wheel select one select one Filter Bag Installation Water Test Voltage from Power Supply Vdc Voltage to Pump Motor Vdc Voltage to Drive Motor Vdc Voltage through Cable Vdc Drive Brush Pump Motor Wall to Wall Version 2 Drive Motor Mount Cable Comments Chassis Impeller Cover Handle Nitr...

Page 6: ...t Cable 26 29Vdc Test Power Supply 29 32Vdc Replace Drive Motor Replace Cable Replace Pump Motor Remove any debris from impeller or tracks and check for damage Test Drive Motor with Test Cable OK Replace Power Supply Water Test OK Return to Customer N Y Y N Y N Y N ...

Page 7: ...alled Replace Power Supply Water Test OK Replace Cable Return to Customer Test Pump Motor 25 28Vdc Replace Pump Motor Test Drive Motor 18 23Vdc Remove any debris from impeller or tracks and check for damage Install Filter Bag correctly Replace Drive Motor Y N Y Y N Y N N N Y Y Y N If Necessary Test Sensor Wheels Circuit Open Close Replace Chassis N Water Test OK Y N Y ...

Page 8: ...w w w s m a r t p o o l c o m 8 SCRUBBER SERIES EVALUATION Model Number NC71AU ...

Page 9: ...remove debris if found 2 Place the cleaner upside down on bench and remove the Bottom Lid by pushing in on the red tabs 3 Perform a Self Test Plug Cable into the Power Supply and turn to the ON position Important The Pump Motor will engage but the Drive Motor will not An Air Flow Sensor in the Pump Motor prevents the Drive Motor from operating out of water ...

Page 10: ...cleaner is Dead In Water or has No Suction Does Not Pick Up Debris then the unit should not move at all during the self test If the cleaner is Spinning in Circles or Does Not Move then the impeller should operate during the self test RESULTS ...

Page 11: ...w w w s m a r t p o o l c o m 11 TEST THE POWER SUPPLY NC7122AU ...

Page 12: ... the Power Supply socket and turning the unit to the ON position 29 32Vdc Picture does not reflect New Style Power Supply design but voltage output is the same If Power Supply is found to be defective replace it with a new Power Supply and perform another Self Test If Power Supply is found to be OK proceed with the following steps RESULTS ...

Page 13: ...w w w s m a r t p o o l c o m 13 TEST THE CABLE NC7123 ...

Page 14: ...ant Leave the Cable plugged into the Pump Motor for an accurate reading If the voltage drop through the cable is 4Vdc then proceed to section entitled Replacing the Cable If the voltage drop through the cable is 4Vdc then proceed to the next step of the evaluation RESULTS 5 Test the voltage through the Cable Loosen the pressure fitting to the Cable and gently pull on the wires to expose the connec...

Page 15: ...w w w s m a r t p o o l c o m 15 TEST THE DRIVE MOTOR NC7107 ...

Page 16: ...position Important This is a quick ON OFF test Do Not run the Drive Motors for an extended period time If the Drive Motor does not turn on or only one side rotates then proceed to the section entitled Replacing the Drive Motor If the Drive Motor does turn on then proceed to the section entitled Replacing the Pump Motor RESULTS 7 Loosen the pressure fitting to the Drive Motor and gently pull on the...

Page 17: ...w w w s m a r t p o o l c o m 17 REPLACING THE CABLE NC7123 ...

Page 18: ...sen the pressure fitting to the Cable and gently pull on the wires to expose the connection 2 Carefully remove the heat shrink covering the Drive Motor connection 3 Remove the 2 screws that hold the Strain Relief to the shell of the cleaner ...

Page 19: ... m 19 4 Pull up on the Cable to gain access to the Strain Relief 5 Remove the 2 screws that hold the two halves of the Strain Relief together 6 Remove the defective Cable from the cleaner and feed the new cable through the shell ...

Page 20: ...st 14 35cm of Cable inside the cleaner that is the distance from the Strain Relief to the Pump Motor 7 Find the 14 35cm mark and make a loop in the Cable that intersects with that line 8 Take that loop and fold rotate it down so that the free end is to the left ...

Page 21: ...w w w s m a r t p o o l c o m 21 Steps 7 and 8 9 Insert the looped Cable into the Strain Relief 10 Reinstall the 2 screws that hold the two halves of the Strain Relief together ...

Page 22: ...rain Relief is resting against the shell 12 Reinstall the 2 screws that hold the strain relief to the shell of the cleaner by aligning the threads of the cable collar 13 Reconnect the Cable harness picture shows shrink tubing NOT need feed the wire into the Pump Motor and tighten the fitting ...

Page 23: ...w w w s m a r t p o o l c o m 23 REPLACING THE DRIVE MOTOR NC7107 ...

Page 24: ...ressure fitting to the Drive Motor and gently pull on the wires to expose the connection 2 Carefully remove the heat shrink covering the Drive Motor connection 3 Remove the tracks by gently pulling outward on the track while rotating the Drive Brush ...

Page 25: ...a r t p o o l c o m 25 4 With a Phillips Head screwdriver remove the 5 screws from each side plate 5 Remove both side plates 6 Remove the 2 Drive Pulleys on the Drive Motor side using a Phillips Head screwdriver ...

Page 26: ...d screwdriver on the Drive Motor side 8 Gently pull on the Drive Motor to remove it from the shell and slide the Drive Tubes from the Drive Motor 9 Pull the cable to the Drive Motor through the hole in the shell Make sure the fitting is in a vertical position to pass it through the shell ...

Page 27: ... be reassembled with the new Drive Motor 10 Feed the cable of the new Drive Motor through the hole in the shell Make sure the fitting is in a vertical position to pass it through the shell 11 Slide the new Drive Tubes onto the Drive Motor and fit the Motor Mount back on the casing ...

Page 28: ...w w w s m a r t p o o l c o m 28 12 Reinsert the Motor Mount screws 13 Reinstall the 2 Drive Pulleys and tighten the screws using a Phillips Head screwdriver ...

Page 29: ...ote The curve of the Side Plate should face the pool s surface or the up direction in this example The 3 center screws are machine threaded The 2 outside screws are self tapping 15 Reinstall the tracks by placing one end on the drive pulley pulling the track to the opposing pulley and rotating the brush to fit the track ...

Page 30: ...w w w s m a r t p o o l c o m 30 REPLACING THE PUMP MOTOR NC7113 ...

Page 31: ...w w w s m a r t p o o l c o m 31 1 Remove the Impeller Cover by unscrewing the 1 mounting screw 2 Remove the 4 motor mount screws 3 Place cleaner upside down on bench and remove the Bottom Lid ...

Page 32: ...ure fitting to the Drive Motor and gently pull on the wires to expose the connection 5 Carefully remove the heat shrink covering the Drive Motor connection 6 Loosen the pressure fitting to the Cable and gently pull on the wires to expose the connection ...

Page 33: ... m 33 7 Carefully remove the heat shrink covering the Cable connection 8 Remove the Pump Motor from the shell 9 Install the new Pump Motor into the shell making sure that Drive Motor and Cable connections are on the correct side ...

Page 34: ...c o m 34 10 Connect the Drive Motor clip feed it into the Pump Motor and tighten the pressure fitting 11 Connect the Cable clip feed it into the Pump Motor and tighten the pressure fitting 12 Reinstall the 4 motor mount screws ...

Page 35: ...w w w s m a r t p o o l c o m 35 13 Reinstall the Impeller Cover by replacing the 1 mounting screw ...

Page 36: ...w w w s m a r t p o o l c o m 36 SMARTPOOL CLEANER EVALUATION Model Numbers NC32AU NC52AU ...

Page 37: ... the bench and examine for physical damage and if there is any debris caught in the impeller or drive brush remove debris if found 2 Remove Bottom Lid 3 Check Filter Bag for proper installation The Push In sign should be covered by the tab on the Bottom Lid ...

Page 38: ...cleaner is Dead In Water then there should not be any movement from the unit If the cleaner has No Suction then the Pump Motor should not turn on If the cleaner Does Not Move then the Drive Motor will not turn on or the unit will shut down when the Drive Motor goes to turn on If the cleaner Stands On End Wheelies or Back and Forth then the unit is most likely going to perform a Self Test If the Fi...

Page 39: ...w w w s m a r t p o o l c o m 39 TEST THE POWER SUPPLY NC1013AU and NC1023AU ...

Page 40: ...er Supply and perform another Self Test If Power Supply is found to be OK proceed with the following steps RESULTS 5 Test the voltage through the Power Supply by inserting the prongs of the voltmeter in the 2 copper plugs of the Power Supply socket and turning the unit to the ON position 28 32Vdc ...

Page 41: ...w w w s m a r t p o o l c o m 41 TEST VOLTAGE THROUGH CABLE NC1012 02 Version 2 Cable ...

Page 42: ...ower Supply on to read the voltage through the Cable 25 30Vdc Important Make sure all objects are clear from the impeller to eliminate injury or damage to the component If the voltage through the Cable is OK Dead in Water Turn to section entitled Replacing the Pump Motor Does Not Move Proceed with Evaluation If the voltage through the cable is found to be insufficient 25Vdc then proceed to the sec...

Page 43: ...w w w s m a r t p o o l c o m 43 TEST THE VOLTAGE TO THE DRIVE MOTOR Drive Motor NC1006 02 Version 2 ...

Page 44: ...44 8 Unscrew Pump Motor from unit by removing the 4 mounting screws 9 Cut the Zip Tie This will give easier access to the pump motor Important Be careful not to cut the wires 10 Pull up on the Pump Motor to remove it from the shell ...

Page 45: ... 13 Disconnect the harness and read the voltage off the plug wire coming from the Pump Motor while the cleaner is turned ON If there is 0Vdc going to the Drive Motor read the voltage for 15 seconds then turn to section entitled Replacing the Pump Motor If the voltage to the Drive Motor is 18 22Vdc and the Drive Motor does not move then turn to the section entitled Replacing the Drive Motor RESULTS...

Page 46: ...w w w s m a r t p o o l c o m 46 TESTING SENSOR WHEELS ...

Page 47: ...While reading resistance checking for continuity place the prongs of the voltmeter on the two metal contacts on 1 of the 2 Sensor Wheel connections and rotate the Sensor Wheel Repeat this process for the other wheel If the circuit does not Open and Close then replace the Chassis If both Sensor Wheels Test OK then replace the Pump Motor and Water Test RESULTS ...

Page 48: ...w w w s m a r t p o o l c o m 48 REPLACING THE CABLE NC1012 02 Version 2 Cable ...

Page 49: ... fitting to the Cable and pull on the plug to expose the connection Release the connections by separating the harness 2 Turn the red tabs inward to release the cage and gain access to the Cable Strain Relief 3 Remove the 6 screws of the Cable Strain Relief ...

Page 50: ...w w w s m a r t p o o l c o m 50 4 Pull the Cable through the cleaner shell Note The hole alignment of the inner screws 2 holes are offset 5 Insert new Cable into shell ...

Page 51: ...ding it around the cable channel 8 Reconnect the cable harness insert the connection into the Pump Motor and tighten the pressure fitting 7 Align the holes of the Strain Relief and the Cable and secure the Cable to the cleaner shell Start with the larger outer screws and then install the inner screws ...

Page 52: ...w w w s m a r t p o o l c o m 52 REPLACING THE DRIVE MOTOR NC1006 02 Version 2 ...

Page 53: ...nting screws 2 Loosen the pressure fitting to the Drive Motor pull on wire to expose connection and disconnect the harness 3 Remove the large rubber cap on the Drive Motor side and remove the 3 motor mount screws 4 Remove the Drive Motor from the Drive Tube and pull the cable through the shell ...

Page 54: ...o l c o m 54 5 Feed the new cable through the shell 6 Reconnect the plug feed the wires into the Pump Motor and tighten the pressure fitting 7 Feed the motor into the tube reinstall the 3 screws and replace the rubber cap ...

Page 55: ...w w w s m a r t p o o l c o m 55 8 Place the Pump Motor in the shell and secure it with the 4 motor mount screws Important Make sure the Drive Motor cable is around the motor support ...

Page 56: ...w w w s m a r t p o o l c o m 56 REPLACING THE PUMP MOTOR NC1009 02 or NC1024 02 Version 2 ...

Page 57: ...1 Unscrew the Pump Motor from the unit by removing the 4 mounting screws 2 Cut the Zip Tie This will give easier access to the pump motor Important Be careful not to cut the wires 3 Pull up on the Pump Motor to remove it from the shell ...

Page 58: ...ner on its side and place the Pump Motor on bench impeller up 5 Loosen all the pressure fittings and disconnect all the connections 6 Connect all the components to their proper harness feed wires into the Pump Motor and tighten pressure fittings ...

Page 59: ... s m a r t p o o l c o m 59 7 Place Pump Motor into shell 8 Place the Pump Motor in the shell and secure it with the 4 motor mount screws Important Make sure the Drive Motor cable is around the motor support ...

Page 60: ...w w w s m a r t p o o l c o m 60 REPLACING THE DRIVE BRUSHES NC1004 ...

Page 61: ... a r t p o o l c o m 61 1 Lift the support tab over the post to remove the brush from the wheel tube 2 Wrap the new brush around the wheel tube and pull the post through the hole in the center of the support tab ...

Page 62: ...w w w s m a r t p o o l c o m 62 REPLACING THE FOAM RING NC1014 ...

Page 63: ...or side and remove the 3 motor mount screws 2 Remove the Drive Tube Mount and slide wheel tube assembly off the Drive Motor 3 Lift the support tab over the post to remove the brush from the wheel tube 4 Soften the ring by submerging it in water then remove the ring from the wheel tube ...

Page 64: ...m a r t p o o l c o m 64 5 Install the new Foam Ring and reinstall Drive Brush 6 Slide the wheel tube onto the Drive Motor and reinstall the Drive Tube Mount 7 Reinstall the 3 screws and replace the rubber cap ...

Page 65: ... o o l c o m B1 Scrubber series cleaners will have the serial number located on the side on the inner shell The number will ei ther be printed on the shell or on a sticker HOW TO LOCATE THE SERIAL NUMBER SCRUBBER SERIES ...

Page 66: ... and Wall Climbing model cleaners will have the serial number located on either the side or back behind the cage of the inner shell The number will be printed on the shell or on a sticker HOW TO LOCATE THE SERIAL NUMBER WALL TO WALL CLIMBER SERIES ...

Page 67: ...80 Installation of Cleaner Weights 1 Remove the protective cover to the adhesive backing Admiral Ultra Admiral and Admiral Plus 2 Press the weight on the inside of the shell ensuring there is enough clearance for the installation of the bottom lid ...

Page 68: ...ood NJ 08701 732 730 9880 1 Use a cutting tool to cut the tab on the underside of the support 2 Use a flat head screwdriver to remove the clip from the casing 3 Replace the old clip with the new material provided Fit the washer onto the screw before installation ...

Page 69: ...687 Prospect St Lakewood NJ 08701 732 730 9880 4 Place the red clip in the shell of the unit and begin to fasten the screw to the clip 5 While holding the screw with a Phillips Head screwdriver rotate the red clip until it is firmly in place ...

Page 70: ...TRUCTION IN POOL TURN THE CLEANER OFF AND GENTLY PULL ON THE CORD TO REMOVE IT FROM OBSTRUCTION TRACKS FELL OFF CHECK TO SEE IF THE TRACKS ARE LOOSE OR HAVE FALLEN OFF COMPLETELY NOT CLIMBING FILTER BAG INSTALLATION RUN THE CLEANER WITHOUT THE FILTER BAG AND CHECK THE BOTTOM LID FILTER BAG FOR PROPER INSTALLATION DEBRIS CAUGHT IN TRACKS BRUSHES IMPELLER CHECK FOR DEBRIS AND CLEAN WITH A GARDEN HOS...

Page 71: ...T DRIVE MOTOR WILL NOT PUMP MOTOR IS ALSO THE PROCESSOR OF THE CLEANER CLEANER WILL NOT RUN A FULL CYCLE PUMP MOTOR CONTROLS THE CYCLE TIME OF THE CLEANER DRIVE MOTOR 18 23Vdc CLEANER WILL BE DEAD IN WATER FROM PUMP MOTOR PUMP MOTOR WILL RUN BUT DRIVE MOTOR WILL NOT PUMP MOTOR SUPPLYING POWER BUT DRIVE MOTOR IS DEFECTIVE CLEANER WILL START BUT SHUT DOWN COMPLETELY WHEN DRIVE MOTOR TURNS ON SIGN OF...

Page 72: ...CLEANER MOTOR IS OK DOES NOT MEAN PROCESSOR IS OK CLEANER WILL NOT RUN A FULL CYCLE PUMP MOTOR CONTROLS THE CYCLE TIME OF THE CLEANER DRIVE MOTOR USE TEST CABLE TO CHECK COMPONENT OPERATION PUMP MOTOR WILL RUN BUT DRIVE MOTOR WILL NOT PUMP MOTOR WILL RUN BUT ONLY ONE SIDE OF DRIVE MOTOR WILL TURN CLEANER WILL SPIN IN CIRCLES CLEANER WILL START BUT SHUT DOWN COMPLETELY WHEN DRIVE MOTOR TURNS ON SIG...

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