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Graco Reactor E-10hp - User Manual

Graco Reactor E-10hp
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332144E
EN
Instructions-Parts
Reactor
®
E-10hp
For spraying or dispensing polyurea coatings and polyurethane foam. For professional
use only.
Not approved for use in explosive atmospheres or hazardous locations.
3000 psi (21 MPa, 207 bar) Maximum Working Pressure
Important Safety Instructions
Read all warnings and instructions in this
manual. Save these instructions.
ti21488a

Questions and Answers

  • D
    David GarrisonAug 31, 2025
    What to do if my Graco Paint Sprayer has a motor controller undervoltage?
    • M
      Mary MartinezAug 31, 2025
      If the motor controller experiences undervoltage, cycle the power and check the status indicator to see if the error is still active.
  • J
    Jennifer ConwayAug 30, 2025
    What to do if my Graco Reactor E-10hp has a motor controller overvoltage?
    • J
      johnyoderAug 30, 2025
      If there's a motor controller overvoltage, cycle the power and check the status indicator to see if the error is still active.
  • D
    Darrell EstradaAug 29, 2025
    What to do if my Graco Paint Sprayer reactor does not operate?
    • A
      andrea44Aug 29, 2025
      If the Reactor does not operate, ensure that both power cords are plugged in. You can also try cycling the Motor Power and Heater Power off, then on to reset both breakers.
  • V
    vwalkerAug 28, 2025
    What to do if my Graco Reactor E-10hp has a locked motor rotor?
    • B
      Brandy AtkinsonAug 28, 2025
      If the motor rotor is locked, shut off the unit and contact your distributor before resuming operation.
  • J
    Jaclyn RoblesAug 27, 2025
    What to do if my Graco Reactor E-10hp Paint Sprayer has high motor temperature?
    • M
      morgan22Aug 27, 2025
      If the motor temperature is too high, you can try the following: * Reduce the pressure duty cycle, gun tip size, or move the Reactor to a cooler location, and allow 1 hour for cooling. * Check the fan operation and clean the fan and motor housing. * Check the J9 overtemperature connector on the control board.
  • H
    Harold GallegosAug 26, 2025
    What causes excessive current draw in my Graco Reactor E-10hp?
    • G
      Gary EatonAug 26, 2025
      Excessive current draw can occur for several reasons. First, try shutting off the unit and retrying operation, as the brushes may not be fully seated. Also, check the fan operation, as elevated temperature can cause excessive current draw. A locked rotor (motor unable to turn) can also cause this issue, requiring motor replacement. Lastly, disconnect the motor connections from the control board and cycle power. If status code 5 is still present, replace the board; otherwise, test the motor.
  • B
    burnettbryanAug 25, 2025
    What to do if my Graco Reactor E-10hp Paint Sprayer fan is not working?
    • K
      kayleemayerAug 26, 2025
      If the fan isn't working, check the fan wire to make sure it's not loose. If the fan is defective, replace it.

Summary

Safety Warnings and Precautions

Important Isocyanate (ISO) Information

System Overview

Controls and Indicators

Setup Procedures

Startup and Operation

Spraying Procedure

Pause and Refill Operations

Pressure Relief and Shutdown

Maintenance and Flushing

Troubleshooting Guide

Pump Control Status Codes

Interpreting status codes indicated by the system status indicator blinking.

Pressure Deviation from Setpoint

Troubleshooting pressure deviations from the setpoint.

Pressure Transducer ISO Failure

Diagnosing and resolving failures related to the ISO pressure transducer.

Pressure Transducer RES Failure

Diagnosing and resolving failures related to the RES pressure transducer.

Excessive Current Draw

Troubleshooting excessive current draw issues with the motor.

High Motor Temperature

Diagnosing and resolving high motor temperature issues.

No Cycle Counter Switch Input

Troubleshooting issues with the cycle counter switch input.

High Cycle Rate

Addressing problems related to high cycle rates during spraying.

Low Tank Level

Diagnosing and resolving issues related to low material levels in tanks.

Locked Motor Rotor

Troubleshooting a locked motor rotor condition.

Motor Controller Overvoltage

Resolving issues caused by overvoltage to the motor controller.

Motor Controller Undervoltage

Resolving issues caused by undervoltage to the motor controller.

Motor Controller High Temperature

Addressing high temperature issues with the motor controller.

Motor Controller Faults

Troubleshooting general motor controller faults.

DIP Switch Settings

Guide to configuring DIP switch settings for system behavior.

DIP Switch Settings and Functions

Detailed explanation of DIP switch functions and their effects.

Heat Control Diagnostic Codes

Explanation of heat control diagnostic codes and their corrective actions.

No Zone Current

Troubleshooting zero current issues in a specific heater zone.

Thermocouple Disconnected

Diagnosing and resolving issues with disconnected or faulty thermocouples.

Reactor Electronics

Troubleshooting issues related to the reactor's electronic displays and components.

Heater Faults

Diagnosing and resolving problems with the primary heater elements.

Proportioner Issues

Troubleshooting common problems with the proportioner operation.

Repair Procedures

Before Beginning Repair

Essential safety precautions and preparation steps before starting any repair.

Remove Supply Tank

Step-by-step instructions for safely removing a supply tank.

Replace Recirc;Spray Valves

Procedure for disassembling and replacing recirculation/spray valves.

Displacement Pump Repair

Instructions for removing, servicing, and reinstalling the displacement pump.

Control Panel Components

Procedures for replacing display and function knob/potentiometer.

Motor Control Board Replacement

Steps for replacing the motor control board.

Graco Reactor E-10hp Specifications

General IconGeneral
Power SourceElectric
Weight45 lbs
Dimensions25 x 16 x 16 inches
Maximum Fluid Temperature140°F
Heater Voltage120V
Heater Wattage1200W
Hose Length50 ft

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