Kinetico
Kinetico Water Softeners Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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Err 01
Controller display shows “Err 01” and softener will not initiate a regeneration cycle automatically.
Turbine / Flow Sensor Failure
Err 02
Controller display shows “Err 02” and unit does not track time or initiate scheduled regeneration.
Controller Real-Time Clock / Timing Circuit Fault
Err 03
Display shows “Err 03” and the softener stops mid-regeneration or will not start a regeneration cycle.
Motor / Drive Fault on Control Valve
Err 04
Display shows “Err 04” and regeneration stops in brine draw or slow rinse position.
Brine Draw / Injector Circuit Fault
Err 05
Display shows “Err 05” and unit remains in backwash or fails to advance out of backwash.
Position Sensor / Cam Switch Fault
Err 06
Display shows “Err 06” and the unit does not recognize salt level or brine tank status (on models with salt sensor).
Salt Level Sensor / Brine Tank Sensor Fault
Err 07
Display shows “Err 07” and the unit fails to complete regeneration within the expected time.
Regeneration Timeout / Stalled Cycle
Err 08
Display shows “Err 08” and the unit reports abnormal flow when no water is being used, or fails to detect flow when water is running.
Flow Meter Calibration / Signal Error
Err 09
Display shows “Err 09” and the unit indicates a power or memory fault; settings may reset unexpectedly.
Controller Memory / EEPROM Error
Lo Salt
Display shows “Lo Salt” or “Low Salt” warning and unit may not regenerate effectively if ignored.
Low Salt Level in Brine Tank
No Regen
Display indicates “No Regen” or similar message and the unit has not regenerated for an extended period.
Regeneration Inhibit / Lockout Condition
Service
Display shows “Service” or wrench icon and softener may continue to operate but indicates a fault condition.
General Service Required Indicator
Symptom
Brine tank overfills with water, sometimes to the top of the tank, and may overflow onto the floor.
Brine Tank Overfill
Symptom
Kinetico softener causes air spurting from faucets after regeneration.
Air in Plumbing After Regeneration
Symptom
Kinetico softener continuously drains a small stream of water even when not regenerating.
Continuous Drain Flow in Service Mode
Symptom
Kinetico softener makes unusual grinding, clicking, or squealing noises during regeneration.
Abnormal Mechanical Noise from Control Head
Symptom
Kinetico softener will not start after a power outage; display is blank or unresponsive.
No Power to Controller After Outage
Symptom
Kinetico softener’s brine tank has a thick, mushy sludge at the bottom and salt does not dissolve properly.
Salt Mushing / Brine Tank Sludge
Symptom
Kinetico softener’s bypass valve is hard to turn or stuck.
Stiff or Seized Bypass Valve
Symptom
Kinetico softener’s controller display is dim, flickering, or unreadable.
Display / LCD Failure
Symptom
Kinetico twin-tank softener remains on one tank and never switches to the other tank.
Tank Switching Failure (Twin Alternating System)
Symptom
Noticeable drop in water pressure or flow at faucets after the Kinetico softener.
Low Water Pressure / Flow Restriction
Symptom
Salt level in the brine tank does not go down over time, even though the unit appears to regenerate.
Salt Not Being Used / No Brine Make or Draw
Symptom
Softener does not draw brine from the brine tank during regeneration; water level in brine tank never goes down.
No Brine Draw
Symptom
Softener does not regenerate at all; no sound or movement from the control head over several days.
No Regeneration – Mechanical Metered System
Symptom
Softener regenerates too frequently, sometimes multiple times per day, wasting salt and water.
Excessive Regeneration Frequency
Symptom
Water has a metallic or rusty taste and orange/brown staining appears despite having a Kinetico softener.
Iron Breakthrough / Resin Fouling
Symptom
Water has a plastic or chemical taste after installation of a new Kinetico softener.
New System Taste / Leaching from New Components
Symptom
Water has a rotten egg (sulfur) smell even after softening.
Hydrogen Sulfide Breakthrough
Symptom
Water has a salty taste at faucets immediately after regeneration.
Residual Brine in Service Water
Symptom
Water is soft at first but becomes hard before the next regeneration is due.
Insufficient Capacity / Under-Sized or Misprogrammed System
Symptom
Water remains hard at all faucets even though the Kinetico water softener appears to be operating and regenerating.
Loss of Softening Capacity
Symptom
Water softener causes a loud banging or hammering noise in the pipes during regeneration.
Water Hammer / Rapid Valve Transition Noise
Symptom
Water softener is stuck in regeneration mode and continuously sends water to the drain.
Stuck in Regeneration / Continuous Backwash or Rinse
Symptom
Water softener leaks brine or salty water from the brine tank or brine line connections.
Brine System Leak
Symptom
Water softener leaks water from around the control head or valve body.
Control Valve External Leak
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| Err 01 |
Controller display shows “Err 01” and softener will not initiate a regeneration cycle automatically.
|
Turbine / Flow Sensor Failure | View Details |
| Err 02 |
Controller display shows “Err 02” and unit does not track time or initiate scheduled regeneration.
|
Controller Real-Time Clock / Timing Circuit Fault | View Details |
| Err 03 |
Display shows “Err 03” and the softener stops mid-regeneration or will not start a regeneration cycle.
|
Motor / Drive Fault on Control Valve | View Details |
| Err 04 |
Display shows “Err 04” and regeneration stops in brine draw or slow rinse position.
|
Brine Draw / Injector Circuit Fault | View Details |
| Err 05 |
Display shows “Err 05” and unit remains in backwash or fails to advance out of backwash.
|
Position Sensor / Cam Switch Fault | View Details |
| Err 06 |
Display shows “Err 06” and the unit does not recognize salt level or brine tank status (on models with salt sensor).
|
Salt Level Sensor / Brine Tank Sensor Fault | View Details |
| Err 07 |
Display shows “Err 07” and the unit fails to complete regeneration within the expected time.
|
Regeneration Timeout / Stalled Cycle | View Details |
| Err 08 |
Display shows “Err 08” and the unit reports abnormal flow when no water is being used, or fails to detect flow when water is running.
|
Flow Meter Calibration / Signal Error | View Details |
| Err 09 |
Display shows “Err 09” and the unit indicates a power or memory fault; settings may reset unexpectedly.
|
Controller Memory / EEPROM Error | View Details |
| Lo Salt |
Display shows “Lo Salt” or “Low Salt” warning and unit may not regenerate effectively if ignored.
|
Low Salt Level in Brine Tank | View Details |
| No Regen |
Display indicates “No Regen” or similar message and the unit has not regenerated for an extended period.
|
Regeneration Inhibit / Lockout Condition | View Details |
| Service |
Display shows “Service” or wrench icon and softener may continue to operate but indicates a fault condition.
|
General Service Required Indicator | View Details |
| – |
Brine tank overfills with water, sometimes to the top of the tank, and may overflow onto the floor.
|
Brine Tank Overfill | View Details |
| – |
Kinetico softener causes air spurting from faucets after regeneration.
|
Air in Plumbing After Regeneration | View Details |
| – |
Kinetico softener continuously drains a small stream of water even when not regenerating.
|
Continuous Drain Flow in Service Mode | View Details |
| – |
Kinetico softener makes unusual grinding, clicking, or squealing noises during regeneration.
|
Abnormal Mechanical Noise from Control Head | View Details |
| – |
Kinetico softener will not start after a power outage; display is blank or unresponsive.
|
No Power to Controller After Outage | View Details |
| – |
Kinetico softener’s brine tank has a thick, mushy sludge at the bottom and salt does not dissolve properly.
|
Salt Mushing / Brine Tank Sludge | View Details |
| – |
Kinetico softener’s bypass valve is hard to turn or stuck.
|
Stiff or Seized Bypass Valve | View Details |
| – |
Kinetico softener’s controller display is dim, flickering, or unreadable.
|
Display / LCD Failure | View Details |
| – |
Kinetico twin-tank softener remains on one tank and never switches to the other tank.
|
Tank Switching Failure (Twin Alternating System) | View Details |
| – |
Noticeable drop in water pressure or flow at faucets after the Kinetico softener.
|
Low Water Pressure / Flow Restriction | View Details |
| – |
Salt level in the brine tank does not go down over time, even though the unit appears to regenerate.
|
Salt Not Being Used / No Brine Make or Draw | View Details |
| – |
Softener does not draw brine from the brine tank during regeneration; water level in brine tank never goes down.
|
No Brine Draw | View Details |
| – |
Softener does not regenerate at all; no sound or movement from the control head over several days.
|
No Regeneration – Mechanical Metered System | View Details |
| – |
Softener regenerates too frequently, sometimes multiple times per day, wasting salt and water.
|
Excessive Regeneration Frequency | View Details |
| – |
Water has a metallic or rusty taste and orange/brown staining appears despite having a Kinetico softener.
|
Iron Breakthrough / Resin Fouling | View Details |
| – |
Water has a plastic or chemical taste after installation of a new Kinetico softener.
|
New System Taste / Leaching from New Components | View Details |
| – |
Water has a rotten egg (sulfur) smell even after softening.
|
Hydrogen Sulfide Breakthrough | View Details |
| – |
Water has a salty taste at faucets immediately after regeneration.
|
Residual Brine in Service Water | View Details |
| – |
Water is soft at first but becomes hard before the next regeneration is due.
|
Insufficient Capacity / Under-Sized or Misprogrammed System | View Details |
| – |
Water remains hard at all faucets even though the Kinetico water softener appears to be operating and regenerating.
|
Loss of Softening Capacity | View Details |
| – |
Water softener causes a loud banging or hammering noise in the pipes during regeneration.
|
Water Hammer / Rapid Valve Transition Noise | View Details |
| – |
Water softener is stuck in regeneration mode and continuously sends water to the drain.
|
Stuck in Regeneration / Continuous Backwash or Rinse | View Details |
| – |
Water softener leaks brine or salty water from the brine tank or brine line connections.
|
Brine System Leak | View Details |
| – |
Water softener leaks water from around the control head or valve body.
|
Control Valve External Leak | View Details |
No matching codes found
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