AquaVac 500 Troubleshooting Guide
Contents
1. Use the second Cap Tool to tap Step 6 Turn caddy cart over and support axle cap on the axle top the axle cap at the bottom with the Cap Cap Tool Tool Se lt a to the axle u lt Cap Tool a Axle cap Step 7 Install remaining axle cap as Step 8 Replace Cleaner and Power described in Step 5 O HAYWARD Page 252. 21 Troubleshooting gt No movement but impeller turns e Drive motor pin or drive motor is broken possible due to overload during use To avoid repeat failure follow up with the customer for obstructions in the pool such as a ladder e Check for belt or roller obstruction e Check for broken impeller e Check for missing roller tube bearing screw gt No movement and no pump discharge e Check for impeller obstruction e Check for broken blades e Check electrical source for proper voltage range of 115 125v including extension cord if used HAYWARD Page 22 Troubleshooting gt Debris falls from unit when removed from pool e Filter overload increase frequency of filter cleaning e Large debris blocking intake Remove large debris from pool before using machine e Drain flaps out of place on bottom lid Snap flaps back into place HAYWARD Page 23 Caddy Cart Assembly Step 1 Remove cleaner power supply 2 Step 2 Insert lower hook using 2 self hooks 2 wheels and caddy cart kit from caddy tapping screws cart before installing parts Power Supply Upper Hook S Lower Hook Cleaner 2 2 wheels Caddy Cart ZO Step 3 Install upper hook using 2 self Step 4 Remove plastic caps from axle tapping screws Lay cart on side slide both wheels onto axle and attach the first Cap Tool to the axle bottom end to support it HAYWARD Page 24 Caddy Cart Assembly Step 5
3. Cover Cleaner Base Step 3 Remove wedge from wheel bushing Step 4 Remove wheel from wheel bushing and cleaner base A Page 8 Step 1 Remove T20 screw Step 2 Remove black cover Step 3 Remove Wheel and Wheel Drive Gear and idler gear Shield by unsnapping tabs from Side Cover With Cover Removed Page 9 Drive Track 8 Pulley Bearing Removal Drive Side _e Check for missing broken drive cogs on inner loop of belt and also for cracks in belt Pulley Bearings Bearings should rotate smoothly and freely e Note that flange faces inward GO HAYWARD Or EE EE _ A a gt gt a s Page 10 Drive Shaft Pulley Removal Note drive key in pulley and how it mates to the output Drive Shaft Pulley motor output side only shaft drive pin of the motor Remove by pulling away from Cleaner Base HAYWARD Page 11 Wheel Tube amp Drive Wheel Removal Step 1 Unscrew T20 screw from Step 2 Carefully pull Step 3 Remove Roller each side of roller wheel tube away from bushing from Roller wheel axles Wheel Shaft Step 4 Slide Roller Wheel Shafts away from the Roller Wheels SS m HAYWARD Page 12 Wheel Tube Brush Removal Replacement Brush replacement can be done with Start in the center of the brush and put the cleaner assembled or broken the post through the hole in the tab
4. Nada m A 1 153 GI f af WA AY al D AquaVac 500 Troubleshooting Guide 2014 Hayward Industries Inc Table of Contents Safety Precautions Service Tools Power Supply Motor Unit Filter Removal amp Replacement Wheel and Tire Removal side Cover Removal Drive Track amp Pulley Bearing Removal Drive Shaft Pulley Removal Wheel Tube amp Drive Wheel Removal Wheel Tube Brush Power Cord Removal amp Installation Motor Box Removal Power Supply and Flotation Cord Testing Troubleshooting Caddy Cart Assembly l N 1 2 3 4 9 O 9 1 Safety Warning Risk of Injury Failure to follow the safety warnings below may result In severe injury death or property damage Always place the machine in the water before connecting it to the electrical supply Always connect the power supply to an approved GFCI ground fault circuit interrupter Do not handle machine while it is plugged into the electrical supply Do not use an extension cord Immediately remove the cleaner from the water after cleaning Never allow swimmers in the pool while the cleaner is operating Never allow plug or power supply unit to enter pool Keep the power supply unit a safe distance from the pool edge and water ay Keep the power supply unit dry and away from rain ss Spr HAYWARD Page 1 Service Tools Pin Removal Tool Torque Driver Flat Head amp Phillips Head Screwdrivers not shown Torx Bit
5. Spanner Tool Torx Driver T10 amp T20 T10 amp T20 HAYWARD Page 2 On Off Power Button Power Indicator Lights 11 Ova ute d pmm vem ry ANN Cleaning Cycle HN Mode x Mna Lights mu Cleaning Schedule Cleaner Cleaner Mode Schedule Button Mode Lights Button Power Cord Cord Assembly w Swivel To GFCI Outlet To Cleaner OHA Page 3 Motor Unit Top view with filter assembly removed Cord to Power Impeller Motor output shaft Supply Cover Motor assembly Drive end HAYWARD Page 4 S li Step 1 Press Dome Button Step 2 Lift to remove Filter to lift Dome for filter removal Bucket Housing Filter Bucket Housing removed Filter Bucket Housing Page 5 Step 3 Open filter doors by unsnapping and lifting up both filter door latches Spring cleanup filter elements For temporary use in heavy spring cleaning Note Elements can be cleaned by gently spraying with a garden hose Be careful not to use high pressure or this may damage the element Elements can be cleaned within Filter Housing or after being removed as shown in Step 4 s Page 6 Filter Replacement Hold both cartridges toward center Push down cover and press tab towards fan to lock cartridges in place HAYWARD Page 7 ci anda tire nem i Step 1 Remove snap retainers by Step 2 Remove Side Cover from unsnapping from Side
6. down Unsnap the tabs that run length with the aid of a pair of needle nose wise of the brush pliers Pull post slightly till taught then push down on tab until it locks into post Spraying the post with soap and water sparingly will aid in assembly HAYWARD Page 13 o oe se i a A _ WrrartiAaA lL a ie nu 7 gt 1 j g A v T2 9 y E aw ul ka h u g L a v A R Step 1 Remove Cord Step 2 Remove strain relief Plate removed showing Assembly holder from cover plate strain relief system Right Side Cover Threaded plug removed Step 3 Use Spanner Wrench and Torque driver to remove threaded plug Note Connector must be installed with tab Note the order of the seals and on connector placed in mating hole of washers Remember to mate the motor assembly taper of the seal to the threaded plug Step 1 After connector is installed Step 2 Use the Torque driver and apply RTV 162 Sealant to Motor Spanner wrench to install the threaded connection plug Tighten the threaded plug until you feel the Torque wrench click or slip Page 15 Motor Box Removal When removing motor assembly without complete removal of side cover gently separate motor output shaft from keyed drive gear using a screwdriver The drive gear will remain in place Be sure to remove all 4 motor securing screws eS m _ m O HAYWARD Page 16 Motor B
7. move cord from i motor box and check ohm s m reading between each pin and the other end of each 4 to 8 ohm s is acceptable If resistance is greater replace the Cord Otherwise replace the Motor Assembly A M HAYWARD Page 19 Troubleshooting gt Navigation e The unit navigates itself primarily by running in a diagonal direction at the water line e This is the key to complete pool coverage gt Shutdown e The power supply will continue to supply low voltage to the unit and the diagnostic memory will continue to record hours until the power switch is turned off gt Cleaner flips upside down and continues to run e The machine should correct itself and flip upright Replace motor HAYWARD Page 20 Troubleshooting gt Runs only a few seconds or minutes e Make sure the machine is submerged in the water An out of water detection within a few minutes will cause the machine to stop if not completely submerged e Check electrical source for proper voltage e If using an extension cord test for proper voltage An extension cord is not recommended e Check for missing or broken impeller blades e Check for pump impeller obstruction e Check pump impeller for hard rotation and pump motor binding gt Cord twisting e Be sure machine Is not getting caught on obstructions in the pool such as raised drains in floor cleaning heads toys etc HAYWARD Page
8. ox Removal Rotate motor slightly to remove drive output shaft from side of unit then lift out motor assembly Output shaft key on motor mates with drive gear Note The motor assembly is a sealed unit and cannot be serviced only replaced It does not contain oil and is water cooled The impeller can be replaced HAYWARD Page 17 Testing Power Supply Note Make sure the Power Supply is plugged in and on prior to proceeding If power LEDs are pulsing the output voltage is disabled on the power supply You must press the power button and wait for the power LEDs to light up solid before taking the voltage measurement Step 1 Set the multimeter to measure DC volts Step 2 Disconnect floatation cord from power supply and check power supply for 30 38 VDC on the holes shown If voltage is not correct verify proper line voltage from GFCI outlet If line voltage is correct replace Power Supply HAYWARD Page 18 Flotation Cord Motor box Testing Step 1 Set the multimeter to measure DC volts Step 3 Set the multimeter to measure continuity If the voltage is more than 0 1VDC there is likely water in the Cord or Motor Assembly Continue to Step 3 Step 2 With the floatation cord disconnected from the power supply for at least 30 seconds measure the voltage on the floatation connector pins Note Pins by the notches on each end Step 4 Re
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