Maintenance; Troubleshooting Chart - Wayne VIP Series Operating Instructions Manual

motor, or a defective motor or pump could all be causes for the
protector to cycle. Cycling of protector will cause eventual motor
burnout.
A pump that has a tripped thermal protector
may start suddenly!
4. The pump will pump water down to 1/4 in., therefore the pump will
not remove all of the water. Shut off the pump immediately if the
unit has been operating and suddenly no water comes out of the
discharge hose. The water level is probably very low and the pump
has broken prime. Use a mop or squeegee to remove the remaining
water.

TROUBLESHOOTING CHART

Symptom
Pump will not start
or run
Pump shuts off and
turns on independently (trips thermal overload
protection)
Pump operates noisily
or vibrates excessively
Pump operates but delivers little or no
water
Possible Cause(s)
1. Blown fuse or tripped circuit breaker
2. Low line voltage
3. Defective motor
4. Impeller obstructed
5. Not properly primed
1. Excessive water temperature
2. Pump has run dry or insufficient fluid
level for pump to prime
3. Low line voltage
1. Worn bearings
2. Impeller obstructed / broken
1. Low line voltage
2. Impeller obstructed
3. Worn or defective pump parts or plugged
impeller
4. Pump running backwards
5. Pump not properly sized for ap pli cation
6. Check valve stuck closed or installed
backwards (If present)
7. Shut off valve closed (If present)
8. Air trapped in volute
3

MAINTENANCE

Make certain that the pump is unplugged
before attempting to service or remove any
component. This pump is assembled in the factory using special
equipment; therefore only authorized service dealers or qualified
electricians should attempt to repair this unit. Improper repair COULD
cause an electrical shock hazard.
The pump contains oil that may be under
pressure because of heat. Let the pump cool for
a minimum of two hours before servicing this unit.
1. No oiling is required for this pump.
2. Disassembly of the motor prior to expiration of war ran ty will void the
warranty. It might also cause internal leakage and damage to the
unit. If repairs are re quired, return the pump to the dealer from whom
it was purchased or contact local electrical repair shop station.
3. Inlet should be kept clean and free of all foreign objects and debris.
This pump contains dielectrical motor oil for
lubrication and motor heat transfer. This oil
CAN be harmful to the environment. Check the state environmental laws
before disposing of this oil.
Corrective Action
1. If blown, replace with proper sized fuse or re set
break er
2. Contact an electrician
3. Replace pump
4. If im pel ler will not turn, remove base and re move
debris
5. Reposition pump in at least 2-5/8 in. of water to
properly operate
1. Pump should not be used for water above 120°
2. Reposition pump in adequate water (pump uses
water for cooling)
power supply before servicing
3. Contact an electrician
1. Replace pump
2. Remove base, clean impeller and/or replace
broken impeller
1. Contact an electrician
2. Remove, clean and check for tight ness
3. Clean parts if required, or replace pump
4. Check rotation (CCW from bottom); return if CW
5. Recheck all sizing calculations to de ter mine
proper pump size
6. Remove and examine check valve for proper
installation and free operation
7. Open valve
8a. Start and stop unit until air is not present in
discharge
8b. Tilt pump on its side underwater and allow air
to escape from inlet (Do not touch pump while
plugged in)
VIP Series
Pump may start
unexpectedly. Disconnect
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