Franklin Electric
Franklin Electric 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, display shows E01 immediately after power-up
Low/No Input Voltage Lockout
E02
Pump attempts to start then shuts down within a few seconds, display shows E02
Overcurrent / Locked Rotor Protection Trip
E03
Pump stops after running briefly, display shows E03 and housing is very hot to the touch
Motor Thermal Overload Trip
E04
Variable-speed Franklin Electric pool pump will not start and shows E04 on the drive display
Phase Loss / Phase Imbalance (for 3‑phase input or internal inverter fault)
E05
Variable-speed pump display shows E05 and motor does not run
Motor Overload / Overcurrent Detected by Drive
E06
Display shows E06 and pump will not start or runs erratically
Motor Temperature Sensor Fault / Overtemperature
E07
Variable-speed pump shows E07 and stops immediately on start command
Ground Fault / Earth Leakage Detected
E08
Display shows E08, pump does not run, sometimes after a power outage
Under-Voltage / Brownout Protection
E09
Pump display shows E09 and motor speed fluctuates or will not reach set RPM
Over-Voltage / DC Bus Overvoltage
E10
Display shows E10 and pump will not start; sometimes accompanied by humming noise from motor
Start Capacitor / Run Capacitor Failure (Single-Phase Motor)
E11
Variable-speed pump shows E11 and runs only at limited speed or not at all
Speed Feedback / Hall Sensor Error (for sensor-based motors)
E12
Display shows E12 and pump stops; may occur when water level is low
Dry-Run / Loss of Prime Protection
E13
Controller shows E13 and ignores external timer or automation commands
Communication Error with External Control (RS-485 / Digital Input Fault)
E14
Display shows E14 and pump cannot be started from keypad
Keypad / HMI Failure
E15
Pump display shows E15 and motor will not run; often after lightning or surges
Internal Drive Hardware Fault
E16
Display shows E16 and pump speed is limited or pump stops under heavy load
Current Limit / Torque Limit Active
E17
Controller shows E17 and pump stops unexpectedly; may coincide with low flow
Low Flow / Pressure Switch Trip
E18
Display shows E18 and pump will not start; occurs when internal memory is corrupted
Parameter Memory / EEPROM Error
E19
Pump display shows E19 and motor runs roughly or not at all
Motor Phase Error / Incorrect Phase Sequence (3‑phase motor)
E20
Display shows E20 and pump stops; often associated with internal fan noise or overheating drive
Drive Overtemperature / Cooling Fan Failure
Symptom
Pump cannot maintain prime after shutting off; loses water from basket quickly
Backflow / Check Valve or Air Leak Issue
Symptom
Pump emits a burning smell or visible smoke from motor area
Motor Winding Overheating / Insulation Failure
Symptom
Pump hums loudly but does not start spinning, then may trip breaker
Failed Start Circuit / Locked Rotor
Symptom
Pump is very loud with a roaring or cavitation noise, and pressure gauge fluctuates
Cavitation / Inlet Restriction
Symptom
Pump leaks at the bottom or around the volute body
Housing Crack / Volute Leak
Symptom
Pump leaks water between motor and pump housing
Mechanical Shaft Seal Failure
Symptom
Pump motor fan rattles or scrapes, with intermittent noise
Cooling Fan Damage / Loose Fan Shroud
Symptom
Pump motor is extremely loud with a low-frequency hum and vibration, especially on startup
Single-Phasing / Voltage Imbalance (3‑phase systems)
Symptom
Pump motor runs but shaft does not turn the impeller (no water movement)
Broken Shaft / Impeller Disengaged
Symptom
Pump motor runs hot to the touch even under normal load
Overheating / Inadequate Cooling
Symptom
Pump runs but air bubbles are constantly visible in the pump basket and at pool returns
Persistent Suction Air Leak
Symptom
Pump runs but is very noisy, with grinding or screeching sounds from motor end
Motor Bearing Failure
Symptom
Pump runs but pressure is much lower than normal and pool circulation is poor
Worn Impeller / Diffuser or Internal Bypass
Symptom
Pump runs but there is no water flow or only a weak trickle from pool returns
Loss of Prime / Suction Air Leak
Symptom
Pump starts and stops repeatedly every few seconds or minutes
Short Cycling / Control Instability
Symptom
Pump trips breaker or GFCI shortly after starting
Electrical Short / Ground Fault
Symptom
Pump vibrates excessively and rattles the plumbing
Imbalance / Mounting Vibration
Symptom
Pump will not start at all, no hum, no click from Franklin Electric control box
No Power / Control Circuit Failure
Symptom
Variable-speed pump does not change speed according to schedule or setpoints
Programming / Control Logic Issue
Symptom
Water leaking from around the clear pump lid
Lid Seal / O-Ring Failure
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E01 |
Pump will not start, display shows E01 immediately after power-up
|
Low/No Input Voltage Lockout | View Details |
| E02 |
Pump attempts to start then shuts down within a few seconds, display shows E02
|
Overcurrent / Locked Rotor Protection Trip | View Details |
| E03 |
Pump stops after running briefly, display shows E03 and housing is very hot to the touch
|
Motor Thermal Overload Trip | View Details |
| E04 |
Variable-speed Franklin Electric pool pump will not start and shows E04 on the drive display
|
Phase Loss / Phase Imbalance (for 3‑phase input or internal inverter fault) | View Details |
| E05 |
Variable-speed pump display shows E05 and motor does not run
|
Motor Overload / Overcurrent Detected by Drive | View Details |
| E06 |
Display shows E06 and pump will not start or runs erratically
|
Motor Temperature Sensor Fault / Overtemperature | View Details |
| E07 |
Variable-speed pump shows E07 and stops immediately on start command
|
Ground Fault / Earth Leakage Detected | View Details |
| E08 |
Display shows E08, pump does not run, sometimes after a power outage
|
Under-Voltage / Brownout Protection | View Details |
| E09 |
Pump display shows E09 and motor speed fluctuates or will not reach set RPM
|
Over-Voltage / DC Bus Overvoltage | View Details |
| E10 |
Display shows E10 and pump will not start; sometimes accompanied by humming noise from motor
|
Start Capacitor / Run Capacitor Failure (Single-Phase Motor) | View Details |
| E11 |
Variable-speed pump shows E11 and runs only at limited speed or not at all
|
Speed Feedback / Hall Sensor Error (for sensor-based motors) | View Details |
| E12 |
Display shows E12 and pump stops; may occur when water level is low
|
Dry-Run / Loss of Prime Protection | View Details |
| E13 |
Controller shows E13 and ignores external timer or automation commands
|
Communication Error with External Control (RS-485 / Digital Input Fault) | View Details |
| E14 |
Display shows E14 and pump cannot be started from keypad
|
Keypad / HMI Failure | View Details |
| E15 |
Pump display shows E15 and motor will not run; often after lightning or surges
|
Internal Drive Hardware Fault | View Details |
| E16 |
Display shows E16 and pump speed is limited or pump stops under heavy load
|
Current Limit / Torque Limit Active | View Details |
| E17 |
Controller shows E17 and pump stops unexpectedly; may coincide with low flow
|
Low Flow / Pressure Switch Trip | View Details |
| E18 |
Display shows E18 and pump will not start; occurs when internal memory is corrupted
|
Parameter Memory / EEPROM Error | View Details |
| E19 |
Pump display shows E19 and motor runs roughly or not at all
|
Motor Phase Error / Incorrect Phase Sequence (3‑phase motor) | View Details |
| E20 |
Display shows E20 and pump stops; often associated with internal fan noise or overheating drive
|
Drive Overtemperature / Cooling Fan Failure | View Details |
| – |
Pump cannot maintain prime after shutting off; loses water from basket quickly
|
Backflow / Check Valve or Air Leak Issue | View Details |
| – |
Pump emits a burning smell or visible smoke from motor area
|
Motor Winding Overheating / Insulation Failure | View Details |
| – |
Pump hums loudly but does not start spinning, then may trip breaker
|
Failed Start Circuit / Locked Rotor | View Details |
| – |
Pump is very loud with a roaring or cavitation noise, and pressure gauge fluctuates
|
Cavitation / Inlet Restriction | View Details |
| – |
Pump leaks at the bottom or around the volute body
|
Housing Crack / Volute Leak | View Details |
| – |
Pump leaks water between motor and pump housing
|
Mechanical Shaft Seal Failure | View Details |
| – |
Pump motor fan rattles or scrapes, with intermittent noise
|
Cooling Fan Damage / Loose Fan Shroud | View Details |
| – |
Pump motor is extremely loud with a low-frequency hum and vibration, especially on startup
|
Single-Phasing / Voltage Imbalance (3‑phase systems) | View Details |
| – |
Pump motor runs but shaft does not turn the impeller (no water movement)
|
Broken Shaft / Impeller Disengaged | View Details |
| – |
Pump motor runs hot to the touch even under normal load
|
Overheating / Inadequate Cooling | View Details |
| – |
Pump runs but air bubbles are constantly visible in the pump basket and at pool returns
|
Persistent Suction Air Leak | View Details |
| – |
Pump runs but is very noisy, with grinding or screeching sounds from motor end
|
Motor Bearing Failure | View Details |
| – |
Pump runs but pressure is much lower than normal and pool circulation is poor
|
Worn Impeller / Diffuser or Internal Bypass | View Details |
| – |
Pump runs but there is no water flow or only a weak trickle from pool returns
|
Loss of Prime / Suction Air Leak | View Details |
| – |
Pump starts and stops repeatedly every few seconds or minutes
|
Short Cycling / Control Instability | View Details |
| – |
Pump trips breaker or GFCI shortly after starting
|
Electrical Short / Ground Fault | View Details |
| – |
Pump vibrates excessively and rattles the plumbing
|
Imbalance / Mounting Vibration | View Details |
| – |
Pump will not start at all, no hum, no click from Franklin Electric control box
|
No Power / Control Circuit Failure | View Details |
| – |
Variable-speed pump does not change speed according to schedule or setpoints
|
Programming / Control Logic Issue | View Details |
| – |
Water leaking from around the clear pump lid
|
Lid Seal / O-Ring Failure | View Details |
No matching codes found
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