Troubleshooting; System Troubleshooting - Graco ProMix PD2K Repair Parts

Troubleshooting

Troubleshooting
NOTE: Check all possible remedies before disassembling the system.

System Troubleshooting

Problem
Unit will not operate.
Pump output low on both strokes.
Pump output low on only one stroke.
No output.
Pump operates erratically.
14
Cause
Inadequate power supply.
Power switch is off.
Main power is shut off.
Exhausted fluid supply.
Clogged fluid outlet line, valves, etc.
Fluid dried on piston rod.
Inadequate power supply.
Exhausted fluid supply.
Clogged fluid outlet line, valves, etc.
Worn piston packings.
Held open or worn dosing valves.
Worn piston packing.
Improperly installed dosing valves.
Exhausted fluid supply.
Held open or worn dosing valves.
Worn piston packing.
Solution
See Technical Data, page
Turn switch on.
Turn main power switch on.
Refill and reprime pump.
Clear.
Disassemble and clean pump. See
pump manual. In future, stop pump
at bottom of stroke.
See Technical Data, page
Refill and reprime pump.
Clear.
Replace. See pump manual.
Check and repair. See pump
manual.
Replace. See pump manual.
Check solenoid connections to
valves. See pump manual.
Refill and reprime pump.
Check and repair. See pump
manual.
Replace. See pump manual.
77.
77.
332709D