Minuteman H-BOX 200 - Manual (Page 8)

Parts and Instruction Manual 8
Troubleshooting
SYMPTOM POSSIBLE CAUSE
Machine will not turn on
Power cord(s) not plugged in;
Circuit breaker in the wall has tripped;
Damaged power cord
No spraying pressure
Solution tank is empty;
Spray tip is clogged;
Pump is not running (see below);
Clogged in‐line solution filter;
Disconnected, dirty or damaged quick disconnect
Pump not running
No power to pump – no power in cord, bad on/off switch;
Bad pump motor;
NOTE: the 100 and 200 psi pumps only run while spraying;
Tripped circuit breaker
Low vacuum suction
Recovery tank lid not on tight;
Drain valve is open or seals are worn;
Dirty vacuum inlet screen around ball float;
Vacuum hose is loose or cracked;
Internal vacuum hose is loose or cracked;
Only one vacuum motor (on machines with two motors) is running
No vacuum suction
Recovery tank is full and ball float has risen to shut off the vacuum;
Vacuum is not running – bad on/off switch, bad vac motor, tripped
circuit;
Low heat
(heated models only)
Spraying too long and exhausting the heated water;
Machine needs to be descaled
No heat
(heated models only)
No power to heating element – thermal cutout is blown;
Bimetallic switch is not closing;
Heat on/off switch is bad;
Circuit breaker has tripped
Always unplug the machine before disconnecting or connecting any
wires or components. Clean water spills immediately.
Contact your distributor for additional information or to arrange for service.
Always use original equipment replacement parts.