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Section 7
Troubleshooting
Use the following troubleshooting information to resolve possible problems with your EQ Series pump.
WARNING — RISK OF ELECTRICAL SHOCK OR ELECTROCUTION.
Improperly installation will create an electrical hazard which could result in death or serious injury to pool users, installers, or others due to electrical shock, and may also cause damage to property.
1.If you are not familiar with your pool filtering system and/or heater:
a.Do NOT attempt to adjust or service without consulting your dealer, or a qualified pool technician.
b.Read the entire Installation & User’s Guide before attempting to use, service or adjust the pool filtering system or heater.
Note: Turn off power to unit prior to attempting service or repair.
Problems and Corrective Actions
Problem | CorrectiveAction |
|
|
Pump Will Not Prime | No water in Strainer Pot |
| Lid is not tight |
| Damaged lid |
| Water level below Skimmer |
| Strainer or Skimmer Basket clogged |
| Closed Valve in Piping System |
| Air leak in Suction Line |
| Pump installed more than 10 ft. above Water Level or otherwise |
| too high for Hydraulic Conditions of Pool Plumbing System |
| Pump Shaft rotating in wrong direction |
|
|
Low Flow- High Filter Pressure | Filter is dirty |
| Restriction in Filter Line |
Low Flow- Low Filter Pressure | Strainer or Skimmer Basket clogged |
| Clogged Impeller |
| Air leak in Suction Line |
| Restriction in Suction Line |
| Cavitation - NPSHA less than NPSHR |
| Pump Shaft rotating in wrong direction |
|
|
Motor Does Not Turn | Power Switch is off |
| Circuit Breaker has tripped |
| Thermal Protector has tripped |
| Pump is in OFF mode of Timer |
| Motor Shaft is locked by bad Bearing |
| Impeller is jammed |
|
|
Motor Over Heating | Electrical Supply Connections are incorrect |
| Wiring to Pump is undersized |
| Inadequate Voltage supplied to Site |
| Ventilation is inadequate for Motor |
| Voltage differential between legs of 3 Phase Circuit >5% |
| Pump Shaft rotating in wrong direction |
|
|
High Pitch OR Growling Noise | Air Leak in Suction Line |
coming from WET END of Pump | Cavitation - NPSHA less than NPSHR |
| A Valve, Elbow or Tee is located too close to the Suction Inlet of the Pump |
| Pump Shaft rotating in wrong direction |
|
|
|
|
EQ Series Pump Installation and User’s Guide
