BIO-JR 0920
8
Problem Probable Cause Remedy
Inconsistent and/or
erratic pressure
• Nozzle worn
• Nozzle clogged
• Water/chemical is low
• Air sucked into system
• Air in pump (not properly
primed)
• Vacuum lock (cap
vent clogged)
• Water temp too high
• Low battery
• Replace nozzle
• Clean nozzle orice
• Add water and/or chemical
• Fill tank(s)
• Remove nozzle, prime pump
• Clean cap air vent
• Add cold water to reduce temp
• Charge or replace battery
Motor continues to
run even though
trigger is released
• High pressure system or
pump hydraulic circuit not
watertight
• Air in system
• Tank(s) Empty
• Check for leaks at spray gun
and pump
• Re-prime the unit
• Fill tank(s)
Motor stops abruptly • Battery too low to operate
• Battery wire(s) not connected
• Power switch off
• Thermal breaker tripped
• Charge or replace battery
• Check battery wires
• Turn switch on
• Turn off, let unit cool
Motor buzzes but fails
to start or does not
start at all
• Problems with pump auto
shut-off
• Pressure needs to be
relieved
• Contact factory
• Squeeze trigger and relieve
pressure
Battery will not charge • Battery wires on backwards • Check battery wires for proper
connection
General Maintenance and Storage
1. When done using the unit, run clean water through the pump..
2. Protect unit from freezing temperatures. Do not store unit outdoors.
3. The unit can be stored above freezing temperatures for short periods of time
(less than 1 week) with liquid in the tanks.
4. To protect the unit from damage, chemical and water should be drained from
the tanks and the pump and chemical valve ushed with clean water before the
unit is placed in long term storage.
5. If the unit is to be stored for an extended period of time in an unheated
location pour about 1 quart of RV antifreeze into the tanks. Open the chemical
valve and run the pump until antifreeze exits the spray gun. Turn unit off and
relieve pressure. IMPORTANT: Use only RV antifreeze. Normal Antifreeze is
corrosive and may damage the pump.
6. When using the unit after long term storage, ush with clean water before use.
7. During long term storage, plug the unit into the battery charger at least once a
month to maintain battery life. The unit may be left plugged-in indenitely.
IMPORTANT BATTERY INFORMATION: Always charge the unit after use. Leaving a
Sealed Lead Acid battery discharged may cause permanent damage and will void
the warranty on the battery. Use only the supplied “smart” battery charger that will
never overcharge the battery. Overcharging a Sealed Lead Acid battery will cause
permanent damage and void the warranty.
