Certikin
Certikin Pool Pumps Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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E01
Pump will not start, digital controller displays E01 immediately when START is pressed.
Motor Overload Trip / Overcurrent Protection
E02
Pump stops shortly after starting, controller shows E02 and will not restart until power is cycled.
Motor Overheating / Thermal Protection Trip
E03
Digital controller shows E03 and pump does not run, often after a power cut or wiring work.
Phase Loss / Incorrect Supply (for 3‑phase Certikin pumps with inverter or controller)
E04
Pump controller displays E04 and the motor will not start; sometimes occurs after lightning or surges.
Inverter / Drive Overvoltage or DC Bus Fault
E05
Controller shows E05 and pump runs only at low speed or not at all.
Motor Temperature Sensor Fault
E06
Pump controller displays E06 and the pump stops unexpectedly during operation.
Low Flow / Dry-Run Protection Activated
E07
Controller shows E07 and pump will not start; sometimes accompanied by humming noise from motor.
Stalled Rotor / Locked Impeller Detection
E08
Pump controller displays E08 and the motor stops; often occurs when the pump starts under heavy load.
Overcurrent on Start / Locked Rotor Overcurrent
E09
Controller shows E09 and pump speed cannot be adjusted; pump may run at fixed speed only.
Speed Feedback / Tachometer Fault (on variable speed models)
E10
Pump controller displays E10 and refuses to start after a wiring change or new installation.
Earth / Ground Fault Detection
E11
Controller shows E11 and the display backlight flickers; pump may start and stop intermittently.
Control Supply Undervoltage
E12
Pump controller displays E12 and ignores external start/stop commands from BMS or timer.
External Control Input Fault
E13
Controller shows E13 and pump speed is limited; alarm often logged as 'Overtemperature – Heatsink'.
Inverter Heatsink Overtemperature
E14
Controller displays E14 and pump cannot be started; often after parameter changes.
Parameter / Configuration Error
E15
Controller shows E15 and pump stops; alarm log may show 'Communication Error'.
Communication Fault Between Controller and Remote Panel / BMS
Symptom
Pump cannot be isolated properly; water continues to flow when valves are closed for service.
Faulty Isolation Valves
Symptom
Pump emits a high‑pitched whine or screeching noise when running.
Cavitation or Air in Pump
Symptom
Pump has reduced flow and filter pressure is lower than normal despite clean filter.
Partially Blocked Impeller or Suction Line
Symptom
Pump housing or unions show signs of cracking or deformation.
Mechanical Stress / Chemical Attack
Symptom
Pump hums but does not start, then trips the breaker or overload after a few seconds.
Failed Start Capacitor / Start Circuit (Single‑Phase)
Symptom
Pump is difficult to prime and frequently loses prime after stopping.
Suction Side Air Ingress
Symptom
Pump is very noisy, with a grinding or rumbling sound that gets louder over time.
Worn Motor Bearings
Symptom
Pump makes a rattling or clicking noise, especially at start‑up or shut‑down.
Loose Components or Check Valve Flutter
Symptom
Pump motor casing is too hot to touch after running for a short period.
Overheating Motor
Symptom
Pump performance drops significantly after winter or long period of inactivity.
Stiff Seals and Deposits After Lay‑Up
Symptom
Pump runs backwards (water flow is reversed or very weak) after recent electrical work.
Incorrect Phase Rotation (3‑Phase Models)
Symptom
Pump runs but filter pressure is much higher than normal and flow at returns is weak.
System Overpressure / Discharge Restriction
Symptom
Pump runs but pool water remains cloudy or dirty despite normal run times.
Insufficient Circulation / Undersized or Underperforming Pump
Symptom
Pump runs but there is a noticeable electrical buzzing from the control panel contactor.
Chattering or Undervoltage on Contactor Coil
Symptom
Pump runs but there is a strong burning smell from the motor area.
Overheating Windings or Electrical Arcing
Symptom
Pump runs but there is no water flow, pressure gauge on filter reads zero or very low.
Loss of Prime / Airlocked Pump
Symptom
Pump trips the circuit breaker or RCD intermittently during operation.
Electrical Overload or Earth Leakage
Symptom
Pump vibrates excessively, causing pipework to shake and noise to transmit through the plant room.
Imbalance or Misalignment
Symptom
Pump will not restart after being stopped when hot, but starts again after cooling down.
Thermal Overload Cycling
Symptom
Pump will not start at all, no humming, no movement, but power is present at the plant room.
Open Circuit in Supply or Failed Motor
Symptom
Visible water leak from the area between the pump housing and motor, especially when running.
Failed Mechanical Shaft Seal
Symptom
Water leaking from around the clear pump lid when the pump is running.
Lid Seal Failure / Air and Water Leak
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E01 |
Pump will not start, digital controller displays E01 immediately when START is pressed.
|
Motor Overload Trip / Overcurrent Protection | View Details |
| E02 |
Pump stops shortly after starting, controller shows E02 and will not restart until power is cycled.
|
Motor Overheating / Thermal Protection Trip | View Details |
| E03 |
Digital controller shows E03 and pump does not run, often after a power cut or wiring work.
|
Phase Loss / Incorrect Supply (for 3‑phase Certikin pumps with inverter or controller) | View Details |
| E04 |
Pump controller displays E04 and the motor will not start; sometimes occurs after lightning or surges.
|
Inverter / Drive Overvoltage or DC Bus Fault | View Details |
| E05 |
Controller shows E05 and pump runs only at low speed or not at all.
|
Motor Temperature Sensor Fault | View Details |
| E06 |
Pump controller displays E06 and the pump stops unexpectedly during operation.
|
Low Flow / Dry-Run Protection Activated | View Details |
| E07 |
Controller shows E07 and pump will not start; sometimes accompanied by humming noise from motor.
|
Stalled Rotor / Locked Impeller Detection | View Details |
| E08 |
Pump controller displays E08 and the motor stops; often occurs when the pump starts under heavy load.
|
Overcurrent on Start / Locked Rotor Overcurrent | View Details |
| E09 |
Controller shows E09 and pump speed cannot be adjusted; pump may run at fixed speed only.
|
Speed Feedback / Tachometer Fault (on variable speed models) | View Details |
| E10 |
Pump controller displays E10 and refuses to start after a wiring change or new installation.
|
Earth / Ground Fault Detection | View Details |
| E11 |
Controller shows E11 and the display backlight flickers; pump may start and stop intermittently.
|
Control Supply Undervoltage | View Details |
| E12 |
Pump controller displays E12 and ignores external start/stop commands from BMS or timer.
|
External Control Input Fault | View Details |
| E13 |
Controller shows E13 and pump speed is limited; alarm often logged as 'Overtemperature – Heatsink'.
|
Inverter Heatsink Overtemperature | View Details |
| E14 |
Controller displays E14 and pump cannot be started; often after parameter changes.
|
Parameter / Configuration Error | View Details |
| E15 |
Controller shows E15 and pump stops; alarm log may show 'Communication Error'.
|
Communication Fault Between Controller and Remote Panel / BMS | View Details |
| – |
Pump cannot be isolated properly; water continues to flow when valves are closed for service.
|
Faulty Isolation Valves | View Details |
| – |
Pump emits a high‑pitched whine or screeching noise when running.
|
Cavitation or Air in Pump | View Details |
| – |
Pump has reduced flow and filter pressure is lower than normal despite clean filter.
|
Partially Blocked Impeller or Suction Line | View Details |
| – |
Pump housing or unions show signs of cracking or deformation.
|
Mechanical Stress / Chemical Attack | View Details |
| – |
Pump hums but does not start, then trips the breaker or overload after a few seconds.
|
Failed Start Capacitor / Start Circuit (Single‑Phase) | View Details |
| – |
Pump is difficult to prime and frequently loses prime after stopping.
|
Suction Side Air Ingress | View Details |
| – |
Pump is very noisy, with a grinding or rumbling sound that gets louder over time.
|
Worn Motor Bearings | View Details |
| – |
Pump makes a rattling or clicking noise, especially at start‑up or shut‑down.
|
Loose Components or Check Valve Flutter | View Details |
| – |
Pump motor casing is too hot to touch after running for a short period.
|
Overheating Motor | View Details |
| – |
Pump performance drops significantly after winter or long period of inactivity.
|
Stiff Seals and Deposits After Lay‑Up | View Details |
| – |
Pump runs backwards (water flow is reversed or very weak) after recent electrical work.
|
Incorrect Phase Rotation (3‑Phase Models) | View Details |
| – |
Pump runs but filter pressure is much higher than normal and flow at returns is weak.
|
System Overpressure / Discharge Restriction | View Details |
| – |
Pump runs but pool water remains cloudy or dirty despite normal run times.
|
Insufficient Circulation / Undersized or Underperforming Pump | View Details |
| – |
Pump runs but there is a noticeable electrical buzzing from the control panel contactor.
|
Chattering or Undervoltage on Contactor Coil | View Details |
| – |
Pump runs but there is a strong burning smell from the motor area.
|
Overheating Windings or Electrical Arcing | View Details |
| – |
Pump runs but there is no water flow, pressure gauge on filter reads zero or very low.
|
Loss of Prime / Airlocked Pump | View Details |
| – |
Pump trips the circuit breaker or RCD intermittently during operation.
|
Electrical Overload or Earth Leakage | View Details |
| – |
Pump vibrates excessively, causing pipework to shake and noise to transmit through the plant room.
|
Imbalance or Misalignment | View Details |
| – |
Pump will not restart after being stopped when hot, but starts again after cooling down.
|
Thermal Overload Cycling | View Details |
| – |
Pump will not start at all, no humming, no movement, but power is present at the plant room.
|
Open Circuit in Supply or Failed Motor | View Details |
| – |
Visible water leak from the area between the pump housing and motor, especially when running.
|
Failed Mechanical Shaft Seal | View Details |
| – |
Water leaking from around the clear pump lid when the pump is running.
|
Lid Seal Failure / Air and Water Leak | View Details |
No matching codes found
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