Graco Reactor H-40 Series Repair And Parts

Troubleshooting
312063Z 15
Troubleshooting
Reactor Electronics
Before performing any troubleshooting procedures:
1. Relieve the pressure. See Pressure Relief
Procedure, page 26.
2. Turn main power OFF .
3. Allow 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.
PROBLEM CAUSE SOLUTION
Both sides of display do not
illuminate.
No power. Plug in power cord.
Turn disconnect ON .
Low voltage. Ensure input voltage is within
specifications, Display Module,
page 41.
Loose wire. Check connections, Display
Module, page 41.
Display disconnected. Check cable connections, Display
Module, page 41.
Temperature display does not
illuminate.
Display disconnected. Check cable connections, Display
Module, page 41.
Display cable damaged or corroded. Clean connections; replace cable if is
damaged.
Defective circuit board. Swap display connection to motor
control board with connection to
heater control board. If temperature
display illuminates, heater control
board is causing problem. Otherwise,
display cable or display is failing.
Pressure display does not
illuminate.
Display disconnected. Check cable connections, Display
Module, page 41.
Display cable damaged or corroded. Clean connections; replace cable if is
damaged.
Defective circuit board. Swap display connection to motor
control board with connection to
heater control board. If pressure
display illuminates, motor control
board is causing problem. Otherwise,
display cable or display is failing.

Graco Reactor H-40 Series Specifications

General

Brand	Graco
Model	Reactor H-40 Series
Category	Paint Sprayer
Language	English