Maintenance; Troubleshooting - Landa SEA Series Operator's Manual

Maintenance

Troubleshooting

PROBLEM
PUMP
RUNNING
NORMALLY
BUT PRESSURE
LOW ON
INSTALLATION
FLUCTUATING
PRESSURE
PRESSURE
LOW AFTER
PERIOD OF
NORMAL USE
PUMP
NOISY
14
POSSIBLE CAUSE
Pump sucking air
Check valves sticking
Unloader valve seat faulty
Faulty or misadjusted unloader valve
Nozzle incorrectly sized
Worn piston packing
Valves worn
Blockage in valve
Pump sucking air
Worn piston packing
Insufficient water
Nozzle worn
Suction or delivery valves worn
Suction or delivery valves blocked
Unloader valve seat worn
Unloader adjusted improperly
Worn piston packing
Bypass valve within unloader is
obstructed or leaking
Air in suction line
Broken or weak suction or delivery
valve spring
Foreign matter in valves
Worn bearings
Excessive temperature of water
Landa SEA Operator Manual 8.913-999.0 - AK
SOLUTION
Check water supply and possibility
of air seepage.
Check and clean or replace if necessary.
Check and replace if necessary.
Tampering with the factory setting may
cause personal injury and/or property damage,
and will void the manufacturer's warranty.
Check and replace if necessary.
Check and replace if necessary.
Check and replace if necessary.
Check and clean out if necessary.
Check water supply connections.
Check and replace if necessary.
Check filter and hose for breakage.
Check and replace if necessary.
Check and replace if necessary.
Check and clean if necessary.
Check and replace if necessary.
Call local Landa dealer.
Check and replace if necessary.
Remove and clean bypass cartridge.
Check water supply and connections
on suction line.
Check and replace if necessary.
Check and clean if necessary.
Check and replace if necessary.
o
Reduce to below 140 F.