Graco Reactor A-25 User Manual

Troubleshooting
18 3A1570V
Troubleshooting
Before performing any troubleshooting procedures:
1. Follow the Pressure Relief Procedure, page 15.
2. Turn main power OFF .
3. Allow equipment to cool.
Problems
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.
Power
Pumps and Pressures
PROBLEM CAUSE SOLUTION
Heat zones do not operate No power Connect power cord
Turn Main Disconnect Switch ON
Power cord not connected properly Check connections
No power when disconnect switch is
turned on; using 200-240V, 1 phase or
200-240V, 3 phase power
Power terminal jumper still at 350-415V,
3 phase position, as shipped from factory
Place jumpers in correct position; see
Operation manual and label inside front
lower cabinet.
External main supply power circuit
breaker trips and Reactor disconnect
switch fails when switch is turned on.
Power terminal jumper was left in
200-240V, 1 phase position. When using
200-240V, 3 phase or 350-415V, 3 phase
power
Place jumpers in correct position; see
Operation manual. Replace main power
disconnect switch; see Recommended
Spare Parts, page 43.
No temperature display lights at startup No power Connect power cord
Turn Main Disconnect Switch ON
Control power fuses blown Check and replace fuses on long terminal
strip
PROBLEM CAUSE SOLUTION
Pump does not run up and down Motor control valve closed Open air motor shutoff valve
No air supply Air supply line not connected
Open inlet air ball valve
Air pressure regulators set at 0 psi Turn up air pressure regulators
Air motor shuttle valve is centered. Push button on top of air motor shuttle
valve.
Pump runs but no fluid pressure Fluid inlet ball valves closed Open fluid inlet ball valves

Graco Reactor A-25 Specifications

General

Brand	Graco
Model	Reactor A-25
Category	Paint Sprayer
Language	English