Troubleshooting - Graco E-Flo DC Instruction Manual

Troubleshooting

Troubleshooting Troubleshooting
NOTE: Check all possible remedies before disassembling the pump.
NOTE: 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.
3A3384B
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.
Worn piston packing.
Improperly installed ball check
valves.
Exhausted fluid supply.
Held open or worn ball check
valves.
Worn piston packing.
Inadequate power supply.
Exhausted fluid supply.
Clogged fluid outlet line, valves,
etc.
Fluid dried on piston rod.
Error Code Error Code Troubleshooting Code Troubleshooting in the motor Troubleshooting
Solution
Solution Solution
See Power Supply Requirements,
page 8 .
Refill and reprime pump.
Clear.
Replace. See lower manual.
Check and repair. See lower
manual.
Replace. See lower manual.
Check and repair. See lower
manual.
Refill and reprime pump.
Check and repair. See lower
manual.
Replace. See lower manual.
See Power Supply Requirements,
page 8 .
Refill and reprime pump.
Clear.
Disassemble and clean pump.
See lower manual. In future, stop
pump at bottom of stroke.
Troubleshooting
15