Troubleshooting Chart - Johnson Pump SPX WPS 2.4 12V BSP Mode D'emploi

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Trouble-shooting chart
Symptom
1. Pump does not run.
2. Pump does not prime.
3. Pump cycles on and off rapidly
while water is demanded.
4. Pump cycles on and off rapidly
while water is not demanded.
5. Pump will not stop running when
water is not demanded.
6. Low flow/pressure.
7. Pump is excessively noisy.
10
Cause
1.1 Tripped thermal protector or
blown fuse.
1.2 Faulty wire connection or power
source.
1.3 Pressure switch malfunctioning.
1.4 Motor malfunctioning.
1.5 Pump/motor frozen.
2.1 Water tank empty.
2.2 Debris under valves.
2.3 Perforated diaphragm.
2.4 Leak on inlet side of pump.
2.5 Inlet or outlet plumbing restricted.
3.1 Restriction on outlet side of pump/
too high pressure.
4.1 Leak on outlet side of pump.
5.1 Leak on inlet side of pump.
5.2 Leak on outlet side of pump.
5.3 Perforated diaphragm.
5.4 Water tank empty
5.5 Pressure switch malfunctioning.
5.6 Low voltage to pump.
6.1 Leak on inlet side of pump.
6.2 Leak on outlet side of pump.
6.3 Perforated diaphragm.
6.4 Motor malfunction.
6.5 Debris under valves.
7.1 Pump is plumbed directly to rigid
tubing.
7.2 Pump head loose on motor.
7.3 Pump mounting is too rigid.
7.4 Defective motor.
Remedy
1.1.1 Check fuse. If motor is overheated
let it cool down prior to restart.
1.1.2 Check battery/power supply, main
switch and wiring.
1.1.3 Change pressure switch.
1.1.4 Change pump.
1.1.5 Thaw pump and system and check
for damage. The pump/motor is
liable to damage when a frozen
pump is started
2.1.1 Fill up tank.
2.1.2 Carefully flush pump with tap
water at nominal pump flow.Note!
Flush in nominal flow direction.
2.1.3 Replace pump head kit.
2.1.4 Check tightness of hose connections
at pump, filter and tank.
2.1.5 Check plumbing.
3.1.1 Outlet hose too small, must be of
same diameter as pump connection.
4.1.1 Check tightness of hose connections,
check hose for possible damage.
5.1.1 Check tightness of hose connections,
check hose for possible damage.
5.1.2 Check tightness of hose connections,
check hose for possible damage.
5.1.3 Replace pump head kit.
5.1.4 Fill up tank.
5.1.5 Change pressure switch.
5.1.6 Change battery/power supply.
6.1.1 Check tightness of hose connections,
check hose for possible damage.
6.1.2 Check tightness of hose connections,
check hose for possible damage.
6.1.3 Replace pump head kit.
6.1.4 Change pump.
6.1.5 Carefully flush pump with tap
water at nominal pump flow.Note!
Flush in nominal flow direction.
7.1.1 Install flexible tubing according to
installation recommendation, see
page 9.
7.1.2 Tighten screws.
7.1.3 Use flexible tubing and make sure
the dampening rubber feet are used.
7.1.4 Change pump.
Original instructions