Kinetico UK
Kinetico UK 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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E01
Electronic Kinetico water softener shows E01 on the display and will not initiate a regeneration cycle automatically.
Control Board Communication Fault
E02
Display shows E02 and the softener does not count down usage or time between regenerations.
Flow Sensor Signal Loss
E03
Kinetico electronic softener shows E03 and remains in service mode without regenerating, even when salt is present.
Brine Level / Brine Draw Sensor Fault
E04
Display shows E04 and the unit stops mid‑regeneration, remaining in a fixed valve position.
Motorised Control Valve Position Error
E05
Kinetico electronic softener shows E05 and does not respond to button presses.
Keypad / User Interface Failure
E06
Display shows E06 and the softener regenerates at incorrect intervals or not at all.
Internal Clock / Power Backup Failure
E07
Kinetico electronic softener shows E07 and remains in bypass or service without softening water.
Inlet/Outlet Valve Actuation Fault
E08
Display shows E08 and the unit aborts regeneration shortly after starting.
Drain Line / Backwash Flow Fault
E09
Kinetico electronic softener shows E09 and salt consumption is abnormally high.
Regeneration Frequency / Metering Error
E10
Display shows E10 and the unit reports low salt even when the brine tank is adequately filled.
Salt Level Sensor Fault
Symptom
A thick, mushy layer of salt forms at the bottom of the brine tank, and brine concentration seems weak.
Salt Mushing
Symptom
Brine is not drawn from the brine tank during regeneration; water level does not drop.
No Brine Draw / Injector Blockage
Symptom
Brine tank does not refill with water after regeneration; salt remains dry at the bottom.
No Brine Refill
Symptom
Brine tank fills with water and overflows or water level remains very high after regeneration.
Brine Refill / Brine Valve Failure
Symptom
Kinetico non‑electric softener does not regenerate at all; meter disc does not move even when water is used.
Mechanical Meter Turbine Failure
Symptom
Salt forms a hard crust or bridge in the brine tank, with a hollow space underneath.
Salt Bridging
Symptom
Softener allows hard water through during regeneration, affecting the whole house.
Incorrect Bypass / Service Valve Configuration
Symptom
Softener appears to be stuck in regeneration, with continuous noise and water to drain for hours.
Regeneration Cycle Not Completing
Symptom
Softener appears to regenerate but water remains hard after each cycle on a non‑electric Kinetico model.
Control Disc Indexing Fault
Symptom
Softener causes a noticeable drop in water pressure throughout the house.
Flow Restriction Through Softener
Symptom
Softener does not use any salt over several weeks; salt level in the brine tank does not drop.
No Regeneration Occurring
Symptom
Softener emits a constant hissing or running water sound even when no taps are open.
Internal Valve Bypass / Running to Drain
Symptom
Softener emits an unusual odour from the brine tank or softened water has a musty smell.
Bacterial Growth in Brine Tank or Resin Bed
Symptom
Softener fails shortly after installation with leaks or operational issues.
Incorrect Installation / Commissioning Fault
Symptom
Softener installed in a tight cupboard is frequently damp around the control head and electronics.
Condensation / Moisture Ingress
Symptom
Softener installed on a combi boiler system causes fluctuating hot water temperature or boiler lockouts.
Flow / Pressure Interaction with Combi Boiler
Symptom
Softener is very noisy during backwash, with banging or water hammer in the pipes.
Water Hammer During Regeneration
Symptom
Softener leaks water from around the control head or valve body.
Control Valve Body Leak
Symptom
Softener makes loud clicking or ratcheting noises during regeneration.
Control Valve Gear / Pawl Wear
Symptom
Softener produces salty‑tasting water at the taps after regeneration.
Insufficient Rinse / Brine Carryover
Symptom
Softener regenerates too frequently on a non‑electric Kinetico unit, using excessive salt and water.
Mechanical Meter Over‑Registering Flow
Symptom
Water is soft at some times of day but intermittently hard, especially during high demand periods.
Capacity Undersizing or Incorrect Metering
Symptom
Water leaks from the brine tank or around the brine well tube.
Brine Tank / Brine Well Leak
Symptom
Water remains hard at all taps even though the Kinetico softener appears to be operating and salt level is normal.
Resin Exhaustion / Ion Exchange Failure
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E01 |
Electronic Kinetico water softener shows E01 on the display and will not initiate a regeneration cycle automatically.
|
Control Board Communication Fault | View Details |
| E02 |
Display shows E02 and the softener does not count down usage or time between regenerations.
|
Flow Sensor Signal Loss | View Details |
| E03 |
Kinetico electronic softener shows E03 and remains in service mode without regenerating, even when salt is present.
|
Brine Level / Brine Draw Sensor Fault | View Details |
| E04 |
Display shows E04 and the unit stops mid‑regeneration, remaining in a fixed valve position.
|
Motorised Control Valve Position Error | View Details |
| E05 |
Kinetico electronic softener shows E05 and does not respond to button presses.
|
Keypad / User Interface Failure | View Details |
| E06 |
Display shows E06 and the softener regenerates at incorrect intervals or not at all.
|
Internal Clock / Power Backup Failure | View Details |
| E07 |
Kinetico electronic softener shows E07 and remains in bypass or service without softening water.
|
Inlet/Outlet Valve Actuation Fault | View Details |
| E08 |
Display shows E08 and the unit aborts regeneration shortly after starting.
|
Drain Line / Backwash Flow Fault | View Details |
| E09 |
Kinetico electronic softener shows E09 and salt consumption is abnormally high.
|
Regeneration Frequency / Metering Error | View Details |
| E10 |
Display shows E10 and the unit reports low salt even when the brine tank is adequately filled.
|
Salt Level Sensor Fault | View Details |
| – |
A thick, mushy layer of salt forms at the bottom of the brine tank, and brine concentration seems weak.
|
Salt Mushing | View Details |
| – |
Brine is not drawn from the brine tank during regeneration; water level does not drop.
|
No Brine Draw / Injector Blockage | View Details |
| – |
Brine tank does not refill with water after regeneration; salt remains dry at the bottom.
|
No Brine Refill | View Details |
| – |
Brine tank fills with water and overflows or water level remains very high after regeneration.
|
Brine Refill / Brine Valve Failure | View Details |
| – |
Kinetico non‑electric softener does not regenerate at all; meter disc does not move even when water is used.
|
Mechanical Meter Turbine Failure | View Details |
| – |
Salt forms a hard crust or bridge in the brine tank, with a hollow space underneath.
|
Salt Bridging | View Details |
| – |
Softener allows hard water through during regeneration, affecting the whole house.
|
Incorrect Bypass / Service Valve Configuration | View Details |
| – |
Softener appears to be stuck in regeneration, with continuous noise and water to drain for hours.
|
Regeneration Cycle Not Completing | View Details |
| – |
Softener appears to regenerate but water remains hard after each cycle on a non‑electric Kinetico model.
|
Control Disc Indexing Fault | View Details |
| – |
Softener causes a noticeable drop in water pressure throughout the house.
|
Flow Restriction Through Softener | View Details |
| – |
Softener does not use any salt over several weeks; salt level in the brine tank does not drop.
|
No Regeneration Occurring | View Details |
| – |
Softener emits a constant hissing or running water sound even when no taps are open.
|
Internal Valve Bypass / Running to Drain | View Details |
| – |
Softener emits an unusual odour from the brine tank or softened water has a musty smell.
|
Bacterial Growth in Brine Tank or Resin Bed | View Details |
| – |
Softener fails shortly after installation with leaks or operational issues.
|
Incorrect Installation / Commissioning Fault | View Details |
| – |
Softener installed in a tight cupboard is frequently damp around the control head and electronics.
|
Condensation / Moisture Ingress | View Details |
| – |
Softener installed on a combi boiler system causes fluctuating hot water temperature or boiler lockouts.
|
Flow / Pressure Interaction with Combi Boiler | View Details |
| – |
Softener is very noisy during backwash, with banging or water hammer in the pipes.
|
Water Hammer During Regeneration | View Details |
| – |
Softener leaks water from around the control head or valve body.
|
Control Valve Body Leak | View Details |
| – |
Softener makes loud clicking or ratcheting noises during regeneration.
|
Control Valve Gear / Pawl Wear | View Details |
| – |
Softener produces salty‑tasting water at the taps after regeneration.
|
Insufficient Rinse / Brine Carryover | View Details |
| – |
Softener regenerates too frequently on a non‑electric Kinetico unit, using excessive salt and water.
|
Mechanical Meter Over‑Registering Flow | View Details |
| – |
Water is soft at some times of day but intermittently hard, especially during high demand periods.
|
Capacity Undersizing or Incorrect Metering | View Details |
| – |
Water leaks from the brine tank or around the brine well tube.
|
Brine Tank / Brine Well Leak | View Details |
| – |
Water remains hard at all taps even though the Kinetico softener appears to be operating and salt level is normal.
|
Resin Exhaustion / Ion Exchange Failure | View Details |
No matching codes found
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