Graco Inc 261820 specifications General Problem Circuit Breaker is Tripping

Page 19

Advanced Troubleshooting

General Problem: Circuit Breaker is Tripping

Specific Problem

Cause

Solution

 

 

 

 

 

 

Building circuit breaker opens

Sprayer electrical wiring is

Repair or replace any damaged wiring or

as soon as sprayer is turned

pinched or insulation is

terminals. Securely reconnect wires.

on.

damaged.

 

 

 

 

 

Wires between pressure

 

 

control switch and control

 

NOTE: Remove enclosure

board are pinched.

 

 

 

Motor armature is shorting.

Check for shorts. See Motor Diagnostics, page

mounting screws and pull

enclosure away from drive

 

23. If shorts are evident, replace motor using

housing. Take care not to pull

 

Motor Kit, page 26.

on leads from electrical cord

Control board is damaged.

See Control Board Diagnostics, page 25.

and power switch.

CAUTION: Do not perform

Replace control board if damaged using Control

 

Board Kit, page 26.

 

control board diagnostics until

 

 

you have determined the

 

 

armature is good. A bad motor

 

 

armature can burn out a good

 

 

motor control board.

 

 

 

 

Building circuit breaker opens

Sprayer power cord damaged.

Unplug sprayer power cord.

as soon as sprayer is plugged

 

Disconnect black power cord wire at power switch.

into outlet and sprayer is NOT

 

 

 

turned on.

 

Unplug in-line connection white cord wire.

 

 

Plug in power cord.

NOTE: Remove enclosure

 

Test voltage between black and white wires of

mounting screws and pull

 

power cord. Meter must read 85 to 130V AC.

enclosure away from drive

 

Replace power cord if no voltage.

housing. Take care not to pull

 

 

 

on leads from electrical cord

Sprayer power switch

1. Unplug sprayer power cord.

and power switch.

damaged.

2. Disconnect black control board wire at power

 

 

 

 

switch.

 

 

3. Unplug in-line connection white cord wire.

 

 

4. Plug in power cord.

 

 

5. Turn power switch ON.

 

 

6. Test voltage between open terminal of power

 

 

switch and white power cord wire. Meter must

 

 

read 85 to 130V AC.

 

 

7. Replace power switch if no voltage.

 

 

 

 

Also see Basic Electrical Problems, and Sprayer Wiring Problems, pages 17 - 18.

 

 

 

312667B

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Contents US Patent 6,752,067 European Patent 1 208 Korean Patent ProX9 Airless Sprayers 312667BRelated Manual Getting Started SpecificationsFold-n-StoreCart ProX Sprayers Only Grounding Instructions Fire and Explosion Hazard Equipment Misuse Hazard Grounding and Electric Requirements InstallationThermal Overload ProX9 Only Component IdentificationProX Sprayers Only X7, ProX7, and ProX9 OnlySG20 SG10 Trigger Locked SG10 Trigger Unlocked SG10 Pressure Control Knob Settings Pressure Relief ProcedureOperation Trigger LockGeneral Repair Information Grounding and Electric Require Basic TroubleshootingProX7 and ProX9 Insert screw ProX7 and ProX9 Only Read Pump does not prime sectionRequirements, Grounding and ElectricalGrounding and Electrical General Problem Motor Does Not Operate Advanced TroubleshootingSee Control Board Diagnostics, Hazard After Thermal General Problem Circuit Breaker is Tripping Electric Requirements, General Problem Erratic Motor OperationControl. See List of Kits, Prime/Spray Valve Kit, General Problem Low or Fluctuating OutputSwitch Kit, See Control Board Diagnostics, page 25. IfControl Switch Kit, General Problem Excessive Pressure Build UpUse Pressure Control Switch Kit, to replace Setup Relieve Pressure, Motor Diagnostics X5Motor Diagnostics ProX7 and ProX9 SetupProX7, ProX9, X5, Pressure Control Switch DiagnosticsControl Board Diagnostics X5 Control Board Diagnostics ProX7 and ProX9Pump Diagnostics Kit Number Models Kit Description List of KitsParts X5 Model 262800 Parts ListPart Description Qty X5 Model X5, Model X7 Model 262805 Parts List X7 Model 41a 41b 41c 67a 47a 41d 67b 85a HUB CAP ProX7 and ProX9 Models 261815 and 261820 Parts ListProX7 and ProX9 Models 261815 ProX7 and ProX9 Models 261810 X5 and X7 Models 262800 Wiring DiagramsProX7 and ProX9 Models 261815 Magnum ProX7 Magnum ProX9 Technical DataFor Graco Canada Customers Graco Standard WarrantyGraco INC. P.O. BOX 1441 MINNEAPOLIS, MN
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