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Troubleshooting

3A4203B

Troubleshooting

Mechanical/Fluid Flow

Pressure Relief Procedure

page 13, before checking or repairing.

Check all possible problems and causes

before disassembling the unit.

Problem

What to Check

If check is OK, go to next

check

What to Do

When check is not OK,

refer to this column

For units with display:

E=0X is displayed.

For units with no display:

Control

board

status light is blinking or the

light is off and there is power to the

sprayer.

Fault condition exists.

Determine fault correction from

Electrical

, page 30.

Pump output is low

Spray tip worn.

Pressure Relief Procedure

page 12, then replace tip. See

separate gun or tip manual.

Spray tip clogged.

Relieve pressure. Check and clean

spray tip.

Paint supply.

Refill and reprime pump.

Intake strainer clogged.

Remove and clean, then reinstall.

Intake valve ball and piston ball are

not seating properly.

Remove intake valve and clean.

Check balls and seats for nicks;

replace if necessary. See pump

manual. Strain paint before using to

remove particles that could clog

pump.

Fluid filter or tip filter is clogged or

dirty.

Clean filter.

Prime valve leaking.

Pressure Relief Procedure

page 12, then repair prime valve.

Verify pump does not continue to

stroke when gun trigger is released.

(Prime valve not leaking.)

Service pump. See pump manual.

Leaking around throat packing nut

which may indicate worn or damaged

packings.

Replace packings. See pump manual.

Also check piston valve seat for

hardened paint or nicks and replace if

necessary. Tighten packing

nut/wet-cup.

Содержание S2550

Страница 1: ...r the application of architectural paints and coatings LP 555 655 S2550 Models 3300 psi 22 7 MPa 227 bar Maximum Working Pressure Important Safety Instructions Read all warnings and instructions in this manual and in related manuals Be familiar with the controls and the proper usage of the equipment Save these instructions ti29534a www graco com techsupport ...

Страница 2: ...up 14 Startup 17 Operation 19 Spray Tip Installation 19 Spray 19 Clear Tip Clog 20 Digital Display 21 Cleanup 23 Maintenance 26 Troubleshooting 27 Stand Sprayer Parts 39 Stand Sprayer Parts 40 Lo Boy Sprayer Parts 42 Lo Boy Sprayer Parts 43 Hi Boy Sprayer Parts 45 Hi Boy Sprayer Parts 46 Hi Boy Sprayer Parts 48 Hi Boy Sprayer Parts 49 Control Box 51 Control Box Parts List 52 Wiring Diagrams 53 110...

Страница 3: ...Models 3A4203B 3 Models VAC Model Stand Lo Boy Hi Boy 230 Schuko LP555 17M197 17M198 LP655 17M201 17M200 S2550 17M215 110 UK LP555 17M208 17M209 LP655 17M211 S2550 17M220 ...

Страница 4: ...ck When repair or replacement of the cord or plug is required do not connect the grounding wire to either flat blade terminal The wire with insulation having an outer surface that is green with or without yellow stripes is the grounding wire Check with a qualified electrician or serviceman when the grounding instructions are not completely understood or when in doubt as to whether the product is p...

Страница 5: ...t spray flammable or combustible materials near an open flame or sources of ignition such as cigarettes motors and electrical equipment Paint or solvent flowing through the equipment is able to result in static electricity Static electricity creates a risk of fire or explosion in the presence of paint or solvent fumes All parts of the spray system including the pump hose assembly spray gun and obj...

Страница 6: ...s and create safety hazards Make sure all equipment is rated and approved for the environment in which you are using it ELECTRIC SHOCK HAZARD This equipment must be grounded Improper grounding setup or usage of the system can cause electric shock Turn off and disconnect power cord before servicing equipment Connect only to grounded electrical outlets Use only 3 wire extension cords Ensure ground p...

Страница 7: ... to know the specific hazards of the fluids you are using Store hazardous fluid in approved containers and dispose of it according to applicable guidelines PERSONAL PROTECTIVE EQUIPMENT Wear appropriate protective equipment when in the work area to help prevent serious injury including eye injury hearing loss inhalation of toxic fumes and burns This protective equipment includes but is not limited...

Страница 8: ... Switch B Pressure Control C Two Finger Trigger Conversion Kit D Prime Valve F Tip Guard G Spray Tip H Gun J Airless Hose K Power Cord L Trigger Lock M Drain Tube N Fluid Intake P Pump R Fluid Outlet S Power Cord Wrap U Filter inside manifold V Finger Guard TSO Fill Point Model Serial Tag Not shown located on bottom of unit ...

Страница 9: ...tch B Pressure Control C Two Finger Trigger Conversion Kit D Prime Valve F Tip Guard G Spray Tip H Gun J Airless Hose K Power Cord L Trigger Lock M Drain Tube N Fluid Intake P Pump R Fluid Outlet T Filter inside manifold U Finger Guard TSO Fill Point Model Serial Tag Not shown located on bottom of unit ...

Страница 10: ... Switch B Pressure Control C Two Finger Trigger Conversion Kit D Prime Valve F Tip Guard G Spray Tip H Gun J Airless Hose K Power Cord L Trigger Lock M Drain Tube N Fluid Intake P Pump R Fluid Outlet S Filter T Finger Guard TSO Fill Point U Pail Hook Model Serial Tag Not shown located on bottom of unit ...

Страница 11: ...duce sprayer performance Pails Solvent and oil based fluids follow local code Use only conductive metal pails placed on a grounded surface such as concrete Do not place pail on a non conductive surface such as paper or cardboard which interrupts grounding continuity Always ground a metal pail connect a ground wire to the pail Clamp one end to the pail and the other end to a true earth ground such ...

Страница 12: ... trigger lock 4 Hold a metal part of the gun firmly to a grounded metal pail Trigger the gun to relieve pressure 5 Engage the trigger lock This equipment stays pressurized until pressure is manually relieved To help prevent serious injury from pressurized fluid such as skin injection splashed fluid and moving parts follow the Pressure Relief Procedure whenever sprayer is stopped and before sprayer...

Страница 13: ...is clogged or that pressure has not been fully relieved a VERY SLOWLY loosen the tip guard retaining nut or the hose end coupling to relieve pressure gradually b Loosen the nut or coupling completely c Clear hose or tip obstruction Trigger Lock Always engage the trigger lock when sprayer is stopped to prevent the gun from being triggered accidentally by hand or if dropped or bumped ti29641a ti2945...

Страница 14: ...etup procedure When first setup is performed remove shipping plug from fluid outlet 1 Connect airless hose to fluid outlet Use wrenches to tighten securely 2 Connect other end of hose to gun 3 Use wrenches to tighten securely 4 Engage trigger lock 5 Remove tip guard ti29539a ti29072a ti29455a ti29459a ...

Страница 15: ... to prevent premature packing wear Do this daily or each time you spray a Place the TSO bottle nozzle into the top center opening in the grill at the front of the sprayer b Squeeze bottle to dispense enough TSO to fill the space between the pump rod and packing nut seal 8 Make certain ON OFF switch is OFF 9 Plug power supply cord into a properly grounded electrical outlet ti24638b ti29460a ti24586...

Страница 16: ...ace fluid intake with drain tube in grounded metal pail partially filled with flushing fluid Use water to flush water based paint or mineral spirits to flush oil based paint 20 Turn ON OFF switch to ON position 21 Turn prime valve horizontal Disengage trigger lock 22 Hold a metal part of the gun firmly to a grounded metal pail Trigger gun and flush for one minute 23 Turn ON OFF switch to OFF posit...

Страница 17: ...lace fluid intake in paint pail Place drain tube in waste pail 4 Turn ON OFF switch to ON position 5 Turn pressure control 1 2 turn to start motor Allow paint to circulate through sprayer until paint flows out the drain tube 6 Turn prime valve horizontal Disengage trigger lock ti24603a ti24644a ti24645a 15 s ti29540a ...

Страница 18: ...ks occur perform Pressure Relief Procedure page 12 then tighten all fittings and repeat Startup procedure If there are no leaks continue with the next step 10 Screw tip assembly onto gun and tighten See Spray Tip Installation page 19 For gun assembly instructions see separate gun manual ti29650a 1m 20s ti29572a High pressure spray is able to inject toxins into the body and cause serious bodily inj...

Страница 19: ...smaller tip size if pressure adjustment cannot eliminate heavy edges 3 Hold gun perpendicular 10 12 in 25 30 cm from surface Spray back and forth overlap by 50 4 Trigger gun after moving Release trigger before stopping For additional spraying information see separate gun manual To avoid serious injury from skin injection do not put your hand in front of the spray tip when installing or removing th...

Страница 20: ... 1 Engage trigger lock Rotate spray tip to unclog position Disengage trigger lock Trigger gun at waste area to clear clog NOTE If spray tip is difficult to rotate when turning to the unclog position perform Pressure Relief Procedure page 12 then turn Prime Spray valve to spray position and repeat step 1 2 Engage trigger lock Rotate spray tip back to spray position Disengage trig ger lock and conti...

Страница 21: ...ON position 3 The pressure is displayed Dashes indicate pressure is less than 200 psi 14 bar 1 4 MPa 4 Press and release display button to display total running hours 5 Press and hold display button to change pressure units psi bar or MPa Stored Data Display 1 Turn ON OFF switch to OFF position 2 To enter Stored Data Mode press and hold display button and turn ON OFF switch to ON position ti24651a...

Страница 22: ...time in hours is displayed 5 Press display button again to display Data Point 3 This will be the last error code 6 To erase last error code press and hold display button 7 Press display button again to display Data Point 4 The software revision is displayed 8 Press display button again to return to Data Point 1 9 Turn ON OFF switch to OFF position to exit Stored Data ti29544a ti24586a ...

Страница 23: ...xcess paint off outside 4 Place fluid intake in flushing fluid Use water for water base paint and mineral spirits for oil based paint Place drain tube in waste pail 5 Turn prime valve horizontal 6 Increase pressure 1 2 turn to start motor Hold gun against paint pail Disengage trigger lock Trigger gun and increase pressure until the pump runs steady and flushing fluid appears ti29459a ti24709a ti24...

Страница 24: ...flush system 8 While continuing to trigger gun turn prime valve down Then release gun trigger Allow flushing fluid to circulate until fluid comes out of drain tube clear 9 Raise fluid intake above flushing fluid 10 Turn prime valve horizontal Trigger gun into flushing pail to purge fluid from hose ti29643a ti24714a ...

Страница 25: ...ove filter from gun and sprayer if installed Clean and inspect Install filter See separate gun manual 14 If flushing with water flush again with mineral spirits or Pump Conditioner to leave a protective coating to prevent freezing or corrosion 15 Wipe sprayer hose and gun with a rag soaked in water or mineral spirits ti29541a ti24717a ti29545a ti29546a MANUFACTURED BY ti29644a ...

Страница 26: ...t be 1 2 in 13mm minimum length NOTE Brushes do not wear at the same rate on both sides of motor Check both brushes Every 1000 gallons 3785 liters Check sprayer stall With sprayer gun NOT triggered sprayer motor should stall and not restart until gun is triggered again If sprayer starts again with gun NOT triggered inspect pump for internal external leaks and check prime valve for leaks Every 1000...

Страница 27: ...ual Spray tip clogged Relieve pressure Check and clean spray tip Paint supply Refill and reprime pump Intake strainer clogged Remove and clean then reinstall Intake valve ball and piston ball are not seating properly Remove intake valve and clean Check balls and seats for nicks replace if necessary See pump manual Strain paint before using to remove particles that could clog pump Fluid filter or t...

Страница 28: ...ce brushes Broken and misaligned motor brush springs Rolled portion of spring must rest squarely on top of brush Replace spring if broken Realign spring with brush Motor brushes are binding in brush holders Clean brush holders remove carbon dust with a small cleaning brush Align brush lead with slot in brush holder to assure free vertical brush movement Motor runs but pump does not stroke Connecti...

Страница 29: ...le during priming Intake valve is leaking Clean intake valve Be sure ball seat is not nicked or worn and that ball seats well Reassemble valve Pump packings are worn Replace pump packings See pump manual Paint is too thick Thin the paint according to supplier recommendations Sprayer operates for 5 to 10 minutes then stops Pump packing nut too tight When pump packing nut is too tight the packings o...

Страница 30: ...ontrol board status light Turn the ON OFF switch OFF remove the control coverthenturnpowerbackON Observe the status light Blinking LED total count equals the error code for example two blinks equals CODE 02 Keep clear of electrical and moving parts during troubleshooting procedures To avoid electrical shock hazards when covers are removed for troubleshooting wait 7 seconds after disconnecting powe...

Страница 31: ...nd go to next step Install new transducer Connect power turn ON OFF switch ON and control knob 1 2 turn clockwise Replace control board if sprayer does not run properly Sprayer does not run at all AND Display shows E 03 OR Control board status light blinks 3 times repeatedly Check transducer or transducer connections control board is not detecting a pressure signal Turn ON OFF switch OFF and disco...

Страница 32: ... sprayer If motor runs check for locked or frozen pump or drive train If sprayer does not run continue to step 2 2 Turn ON OFF switch OFF and disconnect power to sprayer 3 Disconnect motor connector s from control board socket s Check that motor connector and control board contacts are clean and secure If contacts are clean and secure continue to step 4 4 Connect a DC voltmeter across the two moto...

Страница 33: ...n open is found replace the motor 7 Check motor thermal protection Motor should be at ambient temperature for this test Connect the yellow leads from the motor to an Ohm meter Meter should indicate continuity or Ohms depending on the motor type Problem What to Check How to check YELLOW BLACK RED ti24723a 1 3 ohms YELLOW BLACK RED ti24725a ...

Страница 34: ... light blinks 6 times repeatedly Motor is hot or there is a fault in the motor thermal device Allow sprayer to cool If sprayer runs when cool correct cause of overheating Keep sprayer in cooler location with good ventilation Make sure motor air intake is not blocked If sprayer still does not run replace motor Sprayer does not run at all AND Display shows E 08 OR Control board status light blinks 8...

Страница 35: ...es do not wear at the same rate on both sides of motor Check both brushes Replace brushes Broken or misaligned motor brush springs Rolled portion of spring must rest squarely on top of brush Replace spring if broken Realign spring with brush Motor brushes may be binding in brush holders Clean brush holders Remove carbon with small cleaning brush Align brush leads with slot in brush holder to assur...

Страница 36: ...Code section for further troubleshooting See Step 2 Do you have over 100 VAC 220 VAC for 230v units Repair or replace power cord See Step 3 Is there Continuity through the thermal switch wires See Step 4 Does the motor run Replace the potentiometer Replace the transducer Replace the control board If motor is hot let cool and retest If Step 3 still shows no continuity replace motor The motor has a ...

Страница 37: ...Black J11 J8 J7 N L C15 White Control Board Step 2 Plug power cord in and turn switch ON Connect Probes to ON OFF switch Turn meter to AC Volts ti24728a BEEP Yellow Thermistor Wires to motor Step 3 Check motor thermal switch Unplug yellow wires Meter should read continuity NOTE Motor should be cool during reading ti24729a J8 Control Board Step 4 Disconnect potentiometer Plug power cord in and turn...

Страница 38: ... Plumb pressure gauge into paint hose plug sprayer in and turn power switch ON Does sprayer reach or exceed its maximum pressure Mechanical problem See the proper fluid pump manual for the sprayer for further troubleshooting procedures Is the control board status light on NO Replace the control board NO Replace the control board NO YES YES Unplug the transducer from control board Does motor stop r...

Страница 39: ...Stand Sprayer Parts 3A4203B 39 Stand Sprayer Parts Models 17M197 17M208 12 23 54 54a 54b 67 68 71 169 167 168 59 53 65 ti29693a 2 Ref Torque 30 35 in lb 3 4 4 0 N m 2 2 See page 51 ...

Страница 40: ...yer Parts Models 17M197 17M208 43 47 41 32 22 70 12 52 91 14 57 62 60 39 49 170 45 42 55 61 46 ti29548a 44 25 40 1 9 10 8 Ref Torque 140 160 in lb 15 8 18 1 N m 30 35 in lb 3 4 4 0 N m Hammer tight 25 30 ft lb 33 9 40 7 N m 1 2 3 4 1 2 3 4 1 1 ...

Страница 41: ...50 models 45 15M671 KIT hose cpld 1 46 HOSE cpld 1 4 in x 50 ft 1 47 117493 SCREW mach hex washer hd 4 49 115495 SCREW mach hex washer hd 2 52 LABEL front 1 53 LABEL side 1 54 MOTOR includes54a 54b 1 287015 110 120V 287060 230V 54a 118716 RING retaining 1 54b 248189 FAN motor includes 54a 1 55 246381 HOSE drain stand includes 39 62 1 57 187651 STRAINER 3 4 16 1 59 17M429 FRAME standmount 1 60 17N2...

Страница 42: ... 42 3A4203B Lo Boy Sprayer Parts Models 17M201 59 69 68 71 54 54a 54b 47 75 150 133 ti29695a 134 135 21 170 23 12 53 169 167 168 95 65 Ref Torque 140 160 in lb 15 8 18 1 N m 30 35 in lb 3 4 4 0 N m 1 2 1 2 2 See page 51 2 ...

Страница 43: ...3 Lo Boy Sprayer Parts Models 17M201 41 45 43 47 22 52 70 12 91 60 14 39 57 55 46 42 ti29696a 62 40 44 1 9 10 8 25 1 2 3 4 Ref Torque 140 160 in lb 15 8 18 1 N m 30 35 in lb 3 4 4 0 N m Hammer tight 25 30 ft lb 33 9 40 7 N m 1 2 3 4 ...

Страница 44: ...493 SCREW mach hex washer hd 8 52 LABEL front 1 53 LABEL side 1 54 287015 MOTOR 110V 120V includes 54a 54b 1 287060 MOTOR 230V includes 54a 54b 54a 118716 RING retaining 1 54b 248189 FAN motor includes 54a 1 55 246381 HOSE drain stand includes 39 62 1 57 187651 STRAINER 3 4 16 1 59 246250 FRAME cart lo 1 60 17N275 KIT hose suction set includes 14 57 91 1 61 GUN spray 1 62 276888 CLIP drain line 1 ...

Страница 45: ...Hi Boy Sprayer Parts 3A4203B 45 Hi Boy Sprayer Parts 17M198 17M200 17M209 17M211 Ref Torque 30 35 in lb 3 4 4 0 N m 2 59 67 134 133 135 23 12 169 54 54a 54b 167 168 53 95 65 ti29697a 2 2 See page 51 ...

Страница 46: ...17M198 17M200 17M209 17M211 41 91 14 96 84 160 49 42 32 45 43 47 22 70 136 137 12 52 60 62 39 57 55 61 46 ti29698a 40 44 1 9 10 8 25 Ref Torque 140 160 in lb 15 8 18 1 N m 30 35 in lb 3 4 4 0 N m Hammer tight 25 30 ft lb 33 8 40 6 N m 1 2 3 4 4 3 1 2 1 1 ...

Страница 47: ...cpld 1 4 in x 50 ft 1 47 117493 SCREW mach hex washer hd 4 49 115495 SCREW mach hex washer hd 2 52 LABEL front 1 53 LABEL side 1 54 MOTOR includes54a 54b 1 287015 110V 287060 230V 54a 118716 RING retaining 1 54b 248189 FAN motor includes 54a 1 55 244240 HOSE drain includes 39 1 57 187651 STRAINER 3 4 16 1 59 17M446 FRAME cart hi 1 60 17C949 TUBE suction intake 61 17N201 GUN spray 1 62 276888 CLIP ...

Страница 48: ...3B Hi Boy Sprayer Parts 17M215 17M220 168 167 53 69 21 59 54b 67 47 75 133 134 135 54 54a 169 170 12 65 23 ti29699a Ref Torque 140 160 in lb 15 8 18 1 N m 30 35 in lb 3 4 4 0 N m 23 27 in lb 2 6 3 1 N m 1 2 3 3 2 1 2 See page 51 2 ...

Страница 49: ...Sprayer Parts 17M215 17M220 42 137 43 45 41 60 62 55 39 57 84 96 91 14 70 12 136 47 22 53 ti29700a 46 61 40 44 1 9 10 8 25 Ref Torque 140 160 in lb 15 8 18 1 N m 30 35 in lb 3 4 4 0 N m Hammer tight 25 30 ft lb 33 8 40 6 N m 1 2 3 4 4 3 2 1 ...

Страница 50: ...7493 SCREW mach hex washer hd 8 52 LABEL front 1 53 LABEL side 1 54 MOTOR includes54a 54b 1 287015 110V 120V 287060 230V 54a 118716 RING retaining 1 54b 248189 FAN motor includes 54a 1 55 244240 HOSE drain includes 39 1 57 187651 STRAINER 3 4 16 unf 1 59 17C485 FRAME cart hi 1 60 17C949 TUBE stinger 61 GUN spray 1 62 276888 CLIP drain line 1 65 16G596 LABEL warning 1 67 109032 SCREW pan hd 4 69 28...

Страница 51: ... 3 15 24 47 5 26 35 36 4 27 56 50 49 47 7 58 30 11 101 37 48 51 6 12 52 19 ti29703a 102 Ref Torque 140 160 in lb 15 8 18 1 N m 30 35 in lb 3 4 4 0 N m 20 25 in lb 2 3 2 8 N m 37 43 ft lb 50 2 58 3 N m 130 150 in lb 14 7 16 9 N m 1 2 5 6 7 1 5 2 7 5 6 1 ...

Страница 52: ...1 24 162453 NIPPLE 1 4 npsm x 1 4 npt 1 26 15E022 SEAT valve 1 27 187625 HANDLE valve drain 1 30 195428 BOOT toggle 1 35 239914 VALVE drain includes 5 26 1 36 224807 BASE valve 1 37 17D888 POTENTIOMETER assembly 1 38 243222 TRANSDUCER pressure control includes 3 1 47 117493 SCREW mach hex washer hd 4 48 276868 BOX control 1 49 CONTROL board 1 555 models 246378 110V 246380 230V 655 S2550 models 17N...

Страница 53: ...ct with it Exposed wires could cause shorts and component damage Bundle and tie loose wires so none lay in contact with inductor coil on the filter board ti2478x L1 L2 Digital Display Potentiometer Filter Board Inductor Coil Brown Brown Black Black ON OFF Switch To Power Plug From Motor Green 2 x White Black white Blue Blue Red Transducer TP1 TP2 ...

Страница 54: ...liter Cycles 655 8150 581 per gallon 154 per liter Generator Minimum 3000 W 3000 W 120V A Hz 555 1Ø 13 50 60 120V A Hz 655 S2550 1Ø 15 50 60 220 240V A Hz 1Ø 7 50 60 Dimensions Height Stand 17 8 in 45 1 cm Lo Boy 22 5 in 57 2 cm Hi Boy 555 655 36 5 in 92 7 cm Hi Boy S2550 Handle up 38 6 in 98 0 cm Handle down 28 3 in 71 9 cm Length Stand 16 5 in 41 9 cm Lo Boy 26 0 in 66 0 cm Hi Boy 23 0 in 58 4 c...

Страница 55: ...ckel plated carbon steel nylon stainless steel PTFE Acetal leather UHMWPE aluminum tungsten carbide polyethylene fluoroelastomer urethane Notes Startup pressures and displacement per cycle may vary based on suction condition discharge head air pressure and fluid type Sound pressure measured 3 feet 1 meter from equipment Sound power measured per ISO 3744 LP 555 655 S2550 US Metric ...

Страница 56: ...ct information available at the time of publication The manufacturer reserves the right to make changes at any time without notice Original instructions This manual contains English MM 3A4203 Copyright 2016 All manufacturing locations are registered to ISO 9001 Revision B May 2017 ...

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