Water2Buy
Water2Buy 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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E1
Control panel displays E1 and softener will not start a regeneration cycle
Inlet Water Supply Fault / Low or No Inlet Pressure
E10
E10 error and no display or very dim display on the control panel
Low Voltage / Power Supply Fault
E11
E11 error and unit skips scheduled regeneration cycles
Clock / Timekeeping Fault
E12
E12 error and water remains hard even after regeneration
Resin Capacity / Exhaustion Fault
E13
E13 error and brine tank overfills with water
Brine Refill Control Fault
E14
E14 error and water is extremely salty immediately after regeneration
Excess Brine Carryover / Rinse Fault
E15
E15 error and unit continuously uses water to drain even when not regenerating
Continuous Drain / Internal Bypass Fault
E2
Display shows E2 and regeneration stops mid-cycle
Drain / Brine Line Flow Fault
E3
E3 error on display and unit stuck in one position (e.g. constantly in service or constantly in regeneration)
Valve Motor / Rotor Position Fault
E4
Display shows E4 and time or regeneration settings cannot be saved
Control Board / Memory Fault
E5
E5 error and softener does not regenerate at the programmed time
Flow Meter / Turbine Signal Fault
E6
E6 error and display is frozen or unresponsive to button presses
Keypad / User Interface Fault
E7
E7 error and unit regenerates too frequently or not at all based on water usage
Metered Regeneration Logic / Sensor Calibration Fault
E8
E8 error and brine draw stage does not occur during regeneration
Brine Suction / Venturi Fault
E9
E9 error and unit appears to be stuck in regeneration for many hours
Regeneration Cycle Timeout
Symptom
Brine tank has no water above the salt and the unit does not seem to draw brine
No Brine Make-Up / Dry Brine Tank
Symptom
Brine tank is full of water and may overflow (no code shown)
Brine Tank Overfill
Symptom
No water flow from taps when the Water2Buy softener is in service mode
No Outlet Flow / Blocked Valve
Symptom
Salt in the Water2Buy brine tank forms a hard crust (salt bridge) and does not dissolve
Salt Bridging
Symptom
Water from the Water2Buy softener has a metallic or rusty taste
Iron Contamination / Resin Fouling
Symptom
Water from the Water2Buy softener has a rotten egg (sulfur) smell
Hydrogen Sulfide in Water / Bacterial Growth
Symptom
Water from the Water2Buy softener has a salty taste after regeneration
Residual Brine in Service Water
Symptom
Water pressure is noticeably low throughout the house when the Water2Buy softener is in service
Restricted Flow Through Softener
Symptom
Water remains hard even though the Water2Buy softener appears to run regenerations normally (no error code)
Ineffective Softening / Resin Exhaustion
Symptom
Water2Buy softener bypass valve is hard to turn or stuck
Stiff or Seized Bypass Valve
Symptom
Water2Buy softener causes water hammer or banging pipes during regeneration
Hydraulic Shock During Valve Switching
Symptom
Water2Buy softener display is blank but the unit still passes water
Display / Power Loss to Control Only
Symptom
Water2Buy softener display works but buttons do not respond
Keypad Failure
Symptom
Water2Buy softener does not start regeneration at the programmed time (no error displayed)
Missed Scheduled Regeneration
Symptom
Water2Buy softener emits a constant humming noise even when not regenerating
Stuck Motor or Transformer Hum
Symptom
Water2Buy softener installed on hot water line by mistake, causing deformation or leaks
Thermal Damage to Valve and Resin
Symptom
Water2Buy softener is leaking from around the valve head
Valve Head External Leak
Symptom
Water2Buy softener is leaking from the brine line or brine tank area
Brine System Leak
Symptom
Water2Buy softener makes loud clicking or grinding noises during regeneration
Noisy Valve Motor / Gear Train
Symptom
Water2Buy softener never regenerates, even after large water usage
No Demand Regeneration
Symptom
Water2Buy softener regenerates too often, wasting salt and water
Excessive Regeneration Frequency
Symptom
Water2Buy softener stuck in regeneration and will not return to service
Stalled Regeneration Cycle
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E1 |
Control panel displays E1 and softener will not start a regeneration cycle
|
Inlet Water Supply Fault / Low or No Inlet Pressure | View Details |
| E10 |
E10 error and no display or very dim display on the control panel
|
Low Voltage / Power Supply Fault | View Details |
| E11 |
E11 error and unit skips scheduled regeneration cycles
|
Clock / Timekeeping Fault | View Details |
| E12 |
E12 error and water remains hard even after regeneration
|
Resin Capacity / Exhaustion Fault | View Details |
| E13 |
E13 error and brine tank overfills with water
|
Brine Refill Control Fault | View Details |
| E14 |
E14 error and water is extremely salty immediately after regeneration
|
Excess Brine Carryover / Rinse Fault | View Details |
| E15 |
E15 error and unit continuously uses water to drain even when not regenerating
|
Continuous Drain / Internal Bypass Fault | View Details |
| E2 |
Display shows E2 and regeneration stops mid-cycle
|
Drain / Brine Line Flow Fault | View Details |
| E3 |
E3 error on display and unit stuck in one position (e.g. constantly in service or constantly in regeneration)
|
Valve Motor / Rotor Position Fault | View Details |
| E4 |
Display shows E4 and time or regeneration settings cannot be saved
|
Control Board / Memory Fault | View Details |
| E5 |
E5 error and softener does not regenerate at the programmed time
|
Flow Meter / Turbine Signal Fault | View Details |
| E6 |
E6 error and display is frozen or unresponsive to button presses
|
Keypad / User Interface Fault | View Details |
| E7 |
E7 error and unit regenerates too frequently or not at all based on water usage
|
Metered Regeneration Logic / Sensor Calibration Fault | View Details |
| E8 |
E8 error and brine draw stage does not occur during regeneration
|
Brine Suction / Venturi Fault | View Details |
| E9 |
E9 error and unit appears to be stuck in regeneration for many hours
|
Regeneration Cycle Timeout | View Details |
| – |
Brine tank has no water above the salt and the unit does not seem to draw brine
|
No Brine Make-Up / Dry Brine Tank | View Details |
| – |
Brine tank is full of water and may overflow (no code shown)
|
Brine Tank Overfill | View Details |
| – |
No water flow from taps when the Water2Buy softener is in service mode
|
No Outlet Flow / Blocked Valve | View Details |
| – |
Salt in the Water2Buy brine tank forms a hard crust (salt bridge) and does not dissolve
|
Salt Bridging | View Details |
| – |
Water from the Water2Buy softener has a metallic or rusty taste
|
Iron Contamination / Resin Fouling | View Details |
| – |
Water from the Water2Buy softener has a rotten egg (sulfur) smell
|
Hydrogen Sulfide in Water / Bacterial Growth | View Details |
| – |
Water from the Water2Buy softener has a salty taste after regeneration
|
Residual Brine in Service Water | View Details |
| – |
Water pressure is noticeably low throughout the house when the Water2Buy softener is in service
|
Restricted Flow Through Softener | View Details |
| – |
Water remains hard even though the Water2Buy softener appears to run regenerations normally (no error code)
|
Ineffective Softening / Resin Exhaustion | View Details |
| – |
Water2Buy softener bypass valve is hard to turn or stuck
|
Stiff or Seized Bypass Valve | View Details |
| – |
Water2Buy softener causes water hammer or banging pipes during regeneration
|
Hydraulic Shock During Valve Switching | View Details |
| – |
Water2Buy softener display is blank but the unit still passes water
|
Display / Power Loss to Control Only | View Details |
| – |
Water2Buy softener display works but buttons do not respond
|
Keypad Failure | View Details |
| – |
Water2Buy softener does not start regeneration at the programmed time (no error displayed)
|
Missed Scheduled Regeneration | View Details |
| – |
Water2Buy softener emits a constant humming noise even when not regenerating
|
Stuck Motor or Transformer Hum | View Details |
| – |
Water2Buy softener installed on hot water line by mistake, causing deformation or leaks
|
Thermal Damage to Valve and Resin | View Details |
| – |
Water2Buy softener is leaking from around the valve head
|
Valve Head External Leak | View Details |
| – |
Water2Buy softener is leaking from the brine line or brine tank area
|
Brine System Leak | View Details |
| – |
Water2Buy softener makes loud clicking or grinding noises during regeneration
|
Noisy Valve Motor / Gear Train | View Details |
| – |
Water2Buy softener never regenerates, even after large water usage
|
No Demand Regeneration | View Details |
| – |
Water2Buy softener regenerates too often, wasting salt and water
|
Excessive Regeneration Frequency | View Details |
| – |
Water2Buy softener stuck in regeneration and will not return to service
|
Stalled Regeneration Cycle | View Details |
No matching codes found
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