Troubleshooting Chart - Graco Reactor E-10 Instructions-Parts List Manual

Troubleshooting Chart

PROBLEM
Reactor E-10 does not operate.
Motor does not operate.
Fan not working.
Pump output low.
One side doesn't come up to
pressure in spray mode.
313221A
CAUSE
No power.
Power turned on with 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 dam-
age.
Failed control board.
Loose fan cable.
Defective fan.
Plugged fluid inlet strainer.
Plugged disposable mixer.
Leaking or plugged piston valve
or intake valve in displacement
pump.
Dirty or damaged Recirc/Spray
valve.
Plugged fluid inlet strainer.
Pump intake valve plugged or
stuck open.
Troubleshooting
SOLUTION
Plug in power cord.
Cycle Motor Power off
then on to reset breaker.
Set function knob to Stop/Park
, then select desired func-
tion.
Check connection at J11 (120 V).
See page 42.
Check both sides. Replace
brushes worn to less than 1/2 in.
(13 mm), see page 49.
Realign or replace, page 49.
Clean brush holder and align
brush leads for free movement.
Replace motor, page 47.
Remove motor. Have motor shop
resurface commutator, or replace
motor, page 47.
Replace board. See page 42.
Check that cable is connected at
fan and at J9 on control board.
See pages 49 and 42.
Test and replace if necessary,
page 49.
Clear, see page 23.
Clean or replace.
Check valves. See pump manual.
Clean or repair, page 36.
Clear, see page 23.
Clean pump intake valve. See
page 37.
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