Proportioner - Graco Reactor E-10hp Instructions Manual

Troubleshooting

Proportioner

Before performing any troubleshooting procedures:
1. Shut off Heater Power.
PROBLEM
The Reactor does not operate.
The motor does not operate.
The pump output is low.
36
CAUSE
No power.
Power turned on while function knob
set to a run position.
Loose connection on control board.
Worn brushes.
Broken or misaligned brush springs.
Brushes or springs binding in brush
holder.
Shorted armature.
Check motor commutator for burn
spots, black pitting, or other damage.
Failed control board.
Plugged fluid inlet strainer.
Leaking or plugged piston valve or
intake valve in displacement pump.
2. Shut off Motor Power.
3. Relieve the pressure. Follow the Pressure Relief
Procedure, page 24.
4. Allow the equipment to cool.
Try the recommended solutions in the order given for
each problem, to avoid unnecessary repairs. Also,
determine that all circuit breakers, switches, and
controls are properly set and wiring is correct before
assuming there is a problem.
Plug in both power cords.
Cycle Motor Power and Heater Power
off
both breakers.
Set the function knob to Park
once status LED turns on. Then select
the desired function.
Check the connection at the motor
power connections on the bottom
board. See F
Check both sides. Replace brushes
worn to less than 1/2 in. (13 mm). See
Motor Control, page 54.
Realign or replace. See Motor
Brushes, page 54.
Clean the brush holder and align the
brush leads for free movement.
Replace motor. Electric Motor, page
53.
Remove the motor. Have a motor shop
resurface the commutator, or replace
the motor. See Electric Motor, page
53.
Replace the board. See Motor Control,
page 44.
Clear. See Maintenance, page 25.
Check the valves. See your pump
manual.
SOLUTION
, then on to reset
,
. 12, page 45.
IG
332144H