Troubleshooting Chart - Johnson Pump FlowMaster WPS 5.0 Manual De Instrucciones

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5. Mount the complete pumphead kit onto
the motor coupling flange taking notice
to fit the slot in cam in right position
against motor shaft and the three slots
on the motor end bell.
Trouble-shooting chart
Symptom
1. Pump does not run.
.Pump does not prime.
3.Pump rapidly cycles on
and off with water demand
4.Pump rapidly cycles on
and off without water demand
5. Pump Leaks
6. Pump keeps running when
water is no longer demanded
6. Assemble the long screws which will hold
7. Locate the diaphragm and then the com-
cause
1.1 Tripped thermal protector
or blown fuse.
1. Faulty wire connection
or power source.
1.3 Pressure switch controller
malfunctioning.
1.4 Motor malfunctioning.
1.5 Pump/motor frozen.
.1 Water tank empty
. Leak on inlet side of pump
.3 Debris under valves
with tap water at maximum flow possible.
.4 Perforated diaphragm
.5 Inlet or outlet plumbing restricted
from tank at  GPM minimum.
3.1 Hydraulic pulsations
3. Restriction on outlet side of pump,
resulting in too much back pressure
4.1 Leak on outlet side of pump
4. Fill valve bypassing to tank
4.3 Debris under valves
5.1 Perforated diaphragm
5. Inlet/outlet fittings leak
6.1 Leak on inlet side of pump
6. Air in pump
6.3 Leak on outlet side of pump
check hose for possible damage
6.4 Water tank empty
6.5 Pressure switch controller
malfunctioning
6.6 Low voltage to pump
the motor/pump unit together. (Screws
should be fitted to the through holes that
can be seen on the backside of the motor
end bell).
plete switch.
Solution
Check fuse. If motor is overheated,
allow it to cool down prior to restart.
Check battery/power supply, polarity,
main switch and wiring
Replace controller
Replace Pump
Thaw pump and system and check for
damage. The pump/motor may become
damaged when a frozen pump is started.
Fill up tank.
Check tightness of hoseconnections at
pump, filter and tank.
Check valves at inlet side
Flush pump (in nominal flow direction)
Replace diaphragm kit
Check plumbing. Water should free flow
Install pulsation dampener
Check inline filter, if any
Check tightness of hose selections,
check hose for possible damage
Replace fill valve
Flush pump in nominal flow direction.
If necessary, disassemble and clean valves.
Replace diaphragm kit
Replace O-rings and/or fittings
Check tightness of hose connections.
Check inlet hose, filter, and valves for
possible damage
Purge air
Check tightness of hose connections,
Fill up tank
Replace Controller
Change battery/power supply.
Check wire gauge
13

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