Troubleshooting - Graco E-Flo DC Series Instructions Manual

Troubleshooting

Troubleshooting Troubleshooting
NOTE: NOTE: Check all possible remedies before disassembling the pump. NOTE:
NOTE: The LED on the motor will blink if an error is detected. See Error
NOTE: NOTE:
manual for further information.
Problem Problem Problem
Pump output low on both strokes.
Pump output low on only one stroke.
No output.
Pump operates erratically.
Pump will not operate.
3A3453H
Cause Cause Cause
Inadequate power supply.
Exhausted fluid supply.
Clogged fluid outlet line, valves, etc.
Worn piston packing.
Held open or worn ball check valves. Check and repair. See lower manual.
Worn piston packing.
Improperly installed ball check
valves.
Exhausted fluid supply.
Held open or worn ball check valves. Check and repair. See lower manual.
Worn piston packing.
Inadequate power supply.
Exhausted fluid supply.
Clogged fluid outlet line, valves, etc.
Fluid dried on piston rod.
Error Code Code Troubleshooting Troubleshooting in the motor
Error Code Troubleshooting
Solution Solution Solution
See Power Supply Requirements,
page 11.
Refill and reprime pump.
Clear.
Replace. See lower manual.
Replace. See lower manual.
Check and repair. See lower manual.
Refill and reprime pump.
Replace. See lower manual.
See Power Supply Requirements,
page 11.
Refill and reprime pump.
Clear.
Disassemble and clean pump. See
lower manual. In future, stop pump
at bottom of stroke.
Troubleshooting
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