Landa Platinum Series Operator's Manual page 34

PHW/PHWS SERIES PRESSURE WASHER
PROBLEM
PRESENCE OF WATER
IN OIL
WATER DRIPPING
FROM UNDER PUMP
OIL DRIPPING
WON'T AUTOSTART
WON'T TIMEOUT
TROUBLESHOOTING
POSSIBLE CAUSE
Oil seal worn
High humidity in air
Piston packing worn
Piston packing worn
O.R. Plunger retainer worn
Cracked ceramics
Oil seal worn
Cracked manifold
Unloader microswitch faulty
Timer faulty
Unloader microswitch faulty
Timer faulty
OPERATOR'S MANUAL 34
SOLUTION
Check and replace if necessary.
Check and change oil twice as often.
Check and replace if necessary.
Check and replace if necessary.
Check and replace if necessary.
Check and replace if necessary.
Check and replace if necessary.
Check and replace if necessary.
Jumper positions "C" and "6" on the timer together.
If motor starts, replace unloader.
Jumper wire positions "C" and "NO" together. If
motor starts, replace timer.
Check microswitch wires for continuity with spray
gun closed (water flowing). No continuity with
spray gun open (by-pass mode). Replace if
necessary.
Jumper positions "C" and"6" on timer together.
Machine runs. Remove jumper wire. Machine will
shut-off in 15 seconds. If not, replace timer.