Rayne
Rayne 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
The control panel displays E01, and the softener will not start a regeneration cycle.
Inlet Water Supply Fault
E02
The display shows E02, and regeneration stops shortly after starting.
Brine Tank Fill / Refill Fault
E03
E03 is displayed, and the unit is stuck in regeneration; the motor runs briefly then stops.
Drive Motor / Cam Position Fault
E04
An E04 error occurs, and the softener does not draw brine during regeneration.
Brine Draw / Suction Fault
E05
E05 is displayed, and the softener does not advance through regeneration stages.
Control Board / Program Fault
E06
An E06 error occurs, and the display is blank or flickering intermittently.
Low Voltage / Power Supply Fault
E07
E07 is displayed, and the water remains hard even after regeneration.
Flow Meter / Usage Sensing Fault
E08
An E08 error occurs, and the unit regenerates too frequently or not at all.
Programming / Capacity Configuration Fault
E09
E09 is displayed, and the softener remains in bypass internally (no soft water even though the valve is in service).
Internal Valve Position Fault
E10
An E10 error occurs, and the display time resets or loses settings frequently.
Memory / Backup Power Fault
E11
E11 is displayed, and the unit will not enter regeneration when commanded.
Manual Regeneration Start Fault
E12
E12 error is displayed, and the unit remains in regeneration for an unusually long time.
Regeneration Timeout Fault
E13
E13 is displayed, and drain water continues to run even after regeneration should be complete.
Stuck in Backwash / Rinse Position
E14
E14 error is displayed, and no water flows through the softener (no service water).
Service Flow Blockage Fault
E15
E15 is displayed, and the brine tank overfills with water.
Brine Tank Overfill Fault
E16
E16 error is displayed, and the unit reports high salt usage or a salt alarm.
Salt Level / Consumption Fault
E17
E17 is displayed, and the unit indicates a high flow or leak condition.
Continuous Flow / Leak Detection Fault
E18
E18 error is displayed, and the unit reports low salt even when the tank is full.
False Low Salt Indication
E19
E19 is displayed, and the unit indicates a sensor communication error.
Auxiliary Sensor Communication Fault
E20
E20 is displayed, and the unit reports a high temperature or overheated condition.
Overtemperature / Hot Water Exposure Fault
Symptom
Rayne softener appears to work but leaves orange or brown staining on fixtures.
Iron Breakthrough / Inadequate Iron Removal
Symptom
Rayne softener brine tank forms large solid masses of salt (salt bridging and mushing).
Salt Bridging / Salt Mushing
Symptom
Rayne softener causes a salty taste in the water after regeneration.
Excessive Brine Carryover
Symptom
Rayne softener causes low water pressure in the home.
Flow Restriction Through Softener
Symptom
Rayne softener causes water hammer or banging pipes during regeneration.
Hydraulic Shock During Valve Shifts
Symptom
Rayne softener control head is warm or hot to the touch.
Overheating Control Electronics
Symptom
Rayne softener display is on, but buttons do not respond.
Keypad/User Interface Failure
Symptom
Rayne softener does not regenerate at the programmed time.
Regeneration Scheduling Fault
Symptom
Rayne softener does not use any salt over weeks of operation.
No Brine Draw / No Regeneration Salt Usage
Symptom
Rayne softener drain line discharges water continuously to the drain, even when not regenerating.
Continuous Drain Flow
Symptom
Rayne softener emits a rotten egg or foul odor in the water.
Bacterial Growth / Sulfur Odor
Symptom
Rayne softener is stuck in regeneration and will not return to service.
Mechanical Jam in Control Valve
Symptom
Rayne softener leaks water from around the control head.
Control Valve External Leak
Symptom
Rayne softener leaks water from the brine tank.
Brine Tank/Brine Line Leak
Symptom
Rayne softener makes loud clicking or grinding noises during regeneration.
Drivetrain/Gear Noise
Symptom
Rayne softener regenerates too often, wasting salt and water.
Excessive Regeneration Frequency
Symptom
Rayne softener uses salt, but water is still slightly hard at fixtures.
Undersized or Under-Programmed Softener
Symptom
Rayne softener will not start at all (no display, no lights).
No Power to Control Head
Symptom
Water remains hard even though the Rayne water softener appears to run normally (no error code).
Exhausted or Fouled Resin Bed
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E01 |
The control panel displays E01, and the softener will not start a regeneration cycle.
|
Inlet Water Supply Fault | View Details |
| E02 |
The display shows E02, and regeneration stops shortly after starting.
|
Brine Tank Fill / Refill Fault | View Details |
| E03 |
E03 is displayed, and the unit is stuck in regeneration; the motor runs briefly then stops.
|
Drive Motor / Cam Position Fault | View Details |
| E04 |
An E04 error occurs, and the softener does not draw brine during regeneration.
|
Brine Draw / Suction Fault | View Details |
| E05 |
E05 is displayed, and the softener does not advance through regeneration stages.
|
Control Board / Program Fault | View Details |
| E06 |
An E06 error occurs, and the display is blank or flickering intermittently.
|
Low Voltage / Power Supply Fault | View Details |
| E07 |
E07 is displayed, and the water remains hard even after regeneration.
|
Flow Meter / Usage Sensing Fault | View Details |
| E08 |
An E08 error occurs, and the unit regenerates too frequently or not at all.
|
Programming / Capacity Configuration Fault | View Details |
| E09 |
E09 is displayed, and the softener remains in bypass internally (no soft water even though the valve is in service).
|
Internal Valve Position Fault | View Details |
| E10 |
An E10 error occurs, and the display time resets or loses settings frequently.
|
Memory / Backup Power Fault | View Details |
| E11 |
E11 is displayed, and the unit will not enter regeneration when commanded.
|
Manual Regeneration Start Fault | View Details |
| E12 |
E12 error is displayed, and the unit remains in regeneration for an unusually long time.
|
Regeneration Timeout Fault | View Details |
| E13 |
E13 is displayed, and drain water continues to run even after regeneration should be complete.
|
Stuck in Backwash / Rinse Position | View Details |
| E14 |
E14 error is displayed, and no water flows through the softener (no service water).
|
Service Flow Blockage Fault | View Details |
| E15 |
E15 is displayed, and the brine tank overfills with water.
|
Brine Tank Overfill Fault | View Details |
| E16 |
E16 error is displayed, and the unit reports high salt usage or a salt alarm.
|
Salt Level / Consumption Fault | View Details |
| E17 |
E17 is displayed, and the unit indicates a high flow or leak condition.
|
Continuous Flow / Leak Detection Fault | View Details |
| E18 |
E18 error is displayed, and the unit reports low salt even when the tank is full.
|
False Low Salt Indication | View Details |
| E19 |
E19 is displayed, and the unit indicates a sensor communication error.
|
Auxiliary Sensor Communication Fault | View Details |
| E20 |
E20 is displayed, and the unit reports a high temperature or overheated condition.
|
Overtemperature / Hot Water Exposure Fault | View Details |
| – |
Rayne softener appears to work but leaves orange or brown staining on fixtures.
|
Iron Breakthrough / Inadequate Iron Removal | View Details |
| – |
Rayne softener brine tank forms large solid masses of salt (salt bridging and mushing).
|
Salt Bridging / Salt Mushing | View Details |
| – |
Rayne softener causes a salty taste in the water after regeneration.
|
Excessive Brine Carryover | View Details |
| – |
Rayne softener causes low water pressure in the home.
|
Flow Restriction Through Softener | View Details |
| – |
Rayne softener causes water hammer or banging pipes during regeneration.
|
Hydraulic Shock During Valve Shifts | View Details |
| – |
Rayne softener control head is warm or hot to the touch.
|
Overheating Control Electronics | View Details |
| – |
Rayne softener display is on, but buttons do not respond.
|
Keypad/User Interface Failure | View Details |
| – |
Rayne softener does not regenerate at the programmed time.
|
Regeneration Scheduling Fault | View Details |
| – |
Rayne softener does not use any salt over weeks of operation.
|
No Brine Draw / No Regeneration Salt Usage | View Details |
| – |
Rayne softener drain line discharges water continuously to the drain, even when not regenerating.
|
Continuous Drain Flow | View Details |
| – |
Rayne softener emits a rotten egg or foul odor in the water.
|
Bacterial Growth / Sulfur Odor | View Details |
| – |
Rayne softener is stuck in regeneration and will not return to service.
|
Mechanical Jam in Control Valve | View Details |
| – |
Rayne softener leaks water from around the control head.
|
Control Valve External Leak | View Details |
| – |
Rayne softener leaks water from the brine tank.
|
Brine Tank/Brine Line Leak | View Details |
| – |
Rayne softener makes loud clicking or grinding noises during regeneration.
|
Drivetrain/Gear Noise | View Details |
| – |
Rayne softener regenerates too often, wasting salt and water.
|
Excessive Regeneration Frequency | View Details |
| – |
Rayne softener uses salt, but water is still slightly hard at fixtures.
|
Undersized or Under-Programmed Softener | View Details |
| – |
Rayne softener will not start at all (no display, no lights).
|
No Power to Control Head | View Details |
| – |
Water remains hard even though the Rayne water softener appears to run normally (no error code).
|
Exhausted or Fouled Resin Bed | View Details |
No matching codes found
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