Troubleshooting; Technical Data - KNOVA KN 9816 Manual

TROUBLES hOOTING
P R O B L E M
Fluctuating pressure
Motor stops abruptly
Motor la running, but there is no or
hardly any pressure
Noise
TEC hN ICAL dATA
Max. pressure
Max. water flow rate
Electrical requirement
Electrical cord
High pressure hose
P O S S I B L E C A U S E
Pump la drawing in air
Vents are dirty, worn nr stuck
Seal is worn
The thermal safety switch has
triggered the auto off function
due lo overheating
Outlet vent is closed; Water inlet
filter is clogged
Fault in spray gun and spray hose
Garden hose is bent
Spray wand nozzle la worn;
Air in pump
Nozzle is clogged
Air intake
Vents are dirty or clogged
Seal on pressure adjustment
valve is worn
Seals are morn
Filter is dirty
1600 PSI *
1.5 GPM *
120V, 15A, 60Hz
5 m
6.5 m
S O L U T I O N
Check if air trapped in the hoses or
connections
Clean or replace
Check and replace
Check that the power supply voltage
corresponds to the specifications on
the type label
Turn off unit and let it cool down for
several minutes
Open outlet vent;
Clean filter
Replace spray gun or spray hose
Spread out hose
Replace spray wand
Clean nozzle (see fig. N)
Check intake connections
Check clean or replace
Check and/or replace
Check and/or replace
Check and/or clean
Minimum amp source
Pressure of inlet water
Inlet water
Saop consumption rate
15A
20 – 100 PSI
Cold tap water
10 % Max.
*
Ratings determined in accordance
with PWMA, Standard PW101.