
Trouble Shooting.
Low supply voltage.
Incorrect settings on current
overloads.
Wrong motor size.
Fan speed too high.
Belt loose.
Pulleys out of line.
Worn belts.
Worn pulleys.
Insufficient water in tank causing
pump to cavitate.
Pump strainer clogged or dirty.
Blocked water supply tubing.
Incorrect float valve setting.
Inlet valve not sealing
Pump motor failure.
Incorrect wiring of pump.
Loose electrical connections.
Pump control switch faulty.
Consult with local Electrical
Authority.
Reset overloads to correct setting.
Fit correct size motor.
Adjust motor pulley until the motor
current is equal or below that
specified on motor rating plate
Tighten belt.
Align pulleys.
Replace belts.
Replace pulleys.
Adjust float level to increase water
depth.
Clean strainer.
Clean out water trough.
Adjust float valve
Replace valve
Replace complete pump.
Correct pump wiring.
Tighten connections.
Replace pump control switch.
PROBABLE CAUSE SUGGESTED REMEDY
Motor Overheats
& Trips Overload.
Belt Slipping
Wearing Excessively
Pump Fails
To Operate
Continuous overflow
of water
Pump runs but does
not circulate water
or pads lack water
RP INDUSTRIAL AIR CONDITIONERS
18
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