Troubleshooting - Graco PR-Xv Instructions Manual

Troubleshooting

Troubleshooting
Problem
Display (BA, page 9) module
completely dark
No or incorrect amount of
material dispensed from
either side
Significant material leaking
from pump seal
54
Cause
No power
Thrown breaker
Loose connection
Bad display module
TC Dispense Valve (AB, page 8)
closed
Needle or Static Mixer Package
(AA, page 8) clogged
Supply pump ball valve closed (if
installed)
Cartridge or pail empty
Supply pump clogged
Air in PR-Xv Metering Unit
Pump shaft and/or shaft seal worn
1. Follow Pressure Relief Procedure, page 50,
before checking or repairing the system.
2. Check all possible remedies before disassembling
the equipment.
3. Turn off and disconnect all power.
Verify Main Power Switch (BD, page 9) and
Control Power Buttons (BB, page 9) are ON
Check machine breakers and reset
Tighten screen data cable
Replace display module
Verify if dispense valve works normally and
supply air pressure is within range
Replace needle or Static Mixer Package
(AA, page 8)
Open ball valve
Exchange cartridge or pail
Clean supply pump
Purge and prime the system
Remove pump shaft assembly and reinstall
pump rebuild kit
Solution