TROUBLE SHOOTING
Before asking for repairs, conduct your own inspection first. If you find a problem that is not
explained in the manual, do not attempt to dismantle the tool. Instead, ask authorized
service centers, always using replacement parts for repairs.
Malfunction status
Cause
Action
Motor (pump) will not work
Switch OFF
The switch is OFF
Turn switch ON
Switch ON
Battery problem (under
voltage)
Recharge
If recharging is not effective,
replace battery.
Wiring connector is
disconnected
Request an overhaul
Wiring break
Request an overhaul
Switch breakdown
Request an overhaul
Motor breakdown
Request an overhaul
Blown fuse
Request an overhaul
Pump is working but spray is not coming out
Blocked nozzle
Clean or replace
No liquid in chemical tank
Replenish
Chemical tank lid’s blowhole is
blocked
Clean
Blocked piping
Request an overhaul
Broken or cracked piping
Request an overhaul
Disconnected or broken piping
Request an overhaul
Blocked water absorption
strainer
Remove and clean
Sprayer sprays but is abnormal or spray pressure is weak
Chemical tank lid’s blowhole is
blocked
Clean
Blocked piping
Request an overhaul
Broken or cracked piping
Request an overhaul
Disconnected or broken piping
Request an overhaul
Blocked water absorption
strainer
Remove and clean
Blocked lever cock strainer
Remove and clean
Abnormal pressure regulator
Request an overhaul
Worn gear case
Request an overhaul
A strange sound is emitted when switch is turned ON
Coupling that drives pump is
broken
Request an overhaul
Blocked nozzle
Clean or replace
When sprayer is left after being switched OFF, a large
amount of liquid flows out of the nozzle
Lever cock is set to continuous
spray
Set lever cock to STOP