Troubleshooting Chart - Graco Aerobotix RC50 Instructions Manual

Troubleshooting Chart

Fault
Iso, Poly Heater High Temp
Iso, Poly Pump High Pressure
Iso, Poly Pump Low Pour Pressure or
Failure to Build Pressure
Iso Pump Low Inlet Pressure
Tank Low Level
313813A
Automatic Action
taken by Machine
• Alarm banner
• Yellow alarm light ON
• Fault horn ON
• Heater OFF
• Alarm banner
• Red fault light ON
• Fault horn ON
• Iso pump OFF
• Poly pump OFF
• Alarm banner
• Red fault light ON
• Fault horn ON
• MixHead locked CLOSED
• Alarm banner
• Red fault light ON
• Fault horn ON
• Iso pump OFF
• Alarm banner
• Red fault light ON
• Fault horn ON
• MixHead locked CLOSED
Solution
1. Check high temperature set point
2. Check Power cube
3. Allow heater to cool, reset limit switch ONE
TIME ONLY
1. All pressure Iso, Poly valves OPEN
2. Check/clean Iso, Poly jet
3. Check Iso, Poly output
4. Check Iso, Poly temperature
5. Check DIN connector on pressure switch
1. Check air supply pressure
2. Adjust Iso, Poly jet
3. Check Iso, Poly output
4. Check Iso, Poly temperature
5. Check DIN connector on pressure switch
1. Open all metering pump inlet valves
2. Check day tank air pressure
3. Check for clogged inlet basket filter
4. Check DIN connector on pressure switch
1. Check fluid level and add fluid as necessary.
Turn Auto-Fill ON if installed.
2. Adjust fluid sensor sensitivity
Troubleshooting
61