Dramm BP-4 Manuale dell'operatore - Pagina 15

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4.Trouble shooting and remedies

For items marked with an asterisk (*), contact distributor that delivered battery to you or our sales office for adjustment or repair.

Problem

The motor fails to run

although the motor runs,

Problem

the battery cannot be recharged

the battery capacity recovered

Problem

pump fails to run

SPRAY FAILURE

Cause

connector disengagement ..................................connect properly

switch malfunction ..............................................replace it *

open circuit of wiring..........................................replace or repair it *

fuse blown-out......................................................replace it

motor disconnection ..........................................replace it *

motor winding burnout......................................replace it *

battery voltage drop............................................recharge or replace it

piston seal sticking ..............................................replace it *

nozzle clogging......................................................clean it

water suction valve sticking ..............................manipulate cap

spray is stopped

pump valve clogging ............................................clean it

pump valve clogging ............................................clean it *

pressure-regulating valve clogging ....................clean it *

pressure fails to rise

pressure-regulating valve abrasion ..................replace it *

nozzle tip abrasion ..............................................replace it *

water suction hose clogging or collapsing ....clean or repair it *

Battery voltage drop ..........................................replace it

RECHARGE FAILURE

Cause

battery abnormality ............................................replace it *

recharging unit abnormality ..............................replace it *

connector connection failure............................connect properly

open circuit of wiring..........................................replace or repair it *

recharging time shortage ..................................replace it *

battery abnormality ............................................replace it *

recharging unit abnormality ..............................replace it *

FUSE BLOW-OUT

Cause

piston seal sticking ..............................................replace it *

switch contact failure ..........................................replace the switch *

turning the switch ON during recharging ......operate properly

motor rotation is slow ......................................replace the motor *

Remedy

or clean it *

Remedy

(yellow)