Jon-Don Prospector PE500 Information & Operating Instructions page 7

TROUBLESHOOTING
SYMPTOM
Low pressure
No spray
Pump not
running
Low suction
No suction
Low heat
No heat
Always use original equipment replacement parts.
Contact your distributor for additional information or to arrange for service.
ALWAYS UNPLUG THE MACHINE BEFORE
DISCONNECTING OR CONNECTING ANY WIRES OR
COMPONENTS
POSSIBLE CAUSE
Plugged or dirty inlet filter;
Pump is leaking
Pump valve(s) damaged;
Pressure regulator valve is worn and leaking water back into the holding tank
even while spraying from the tool;
Solution tank is empty;
Quick couplings on solution line are not completely connected to machine or tool;
Spray tip(s) plugged;
Pump motor is not running
Plugged/dirty pump inlet filter;
Plugged or damaged solution hose or quick disconnect
No power to pump -- no power to cord
Pump motor is getting power but won't run – check motor brushes;
AC to DC bridge rectifier is damaged;
On/off switch is bad;
Recovery tank lid not sealed;
Dirty vacuum inlet screen;
Vac hose loose or cracked;
Vacuum gasket is damaged or compressed
Vacuum is not running – bad switch or bad vacuum
Recovery tank is full;
No power to heating element – thermal fuse is blown; the bimetallic switch is not Spraying too long;
closing or heat on/off switch is bad;
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