Common Control Valve Displays
Your water softener's control valve is the brain of the system. It determines when to regenerate, how much salt to use, and how much water to flush. Understanding its display helps you maintain optimal performance and catch problems early.
Most modern control valves display the following information:
- Current time: The clock setting. If the time is wrong, the regeneration schedule will be off.
- Remaining capacity: Shows how many days or gallons remain before regeneration. On demand-initiated systems, this number decreases with each gallon of soft water produced.
- Regeneration timer: Shows when the next regeneration is scheduled.
- Status indicator: Shows if the system is in service mode (soft water), regeneration mode (hard water), or standby.
- Error codes: Flashing lights or error codes (FL, EE, Lo) indicate malfunctions.
Orlando tip: After a power outage (common during Orlando thunderstorms), the control valve may reset. Check that the time is correct and that the regeneration schedule hasn't been altered.
Understanding the Settings
Key settings to monitor on your control valve:
| Setting | What It Does | Orlando Value |
|---|---|---|
| Hardness level | Sets water hardness for regeneration scheduling | 10-15 GPG |
| Regeneration time | When the system regenerates | 2-4 AM |
| Capacity (grains) | How many hardness grains before regen | Auto (DIR) |
| Salt dosage | How much salt used per regeneration | Auto or 10-15 lbs |
Error Codes and What They Mean
Common control valve error codes and their meanings:
- FL or FLW (Flow Lock): Valve is stuck in regeneration. Reset by cycling power.
- Lo (Low Battery): Backup battery is depleted. Replace with AA alkaline batteries.
- EE or E2: Electrical error — check power connection and transformer.
- FLP (Flow Pulse): Meter issue — not counting water properly. System may regenerate too often.
How to Change Settings
Changing control valve settings is straightforward:
- Press the "Menu" or "Program" button.
- Navigate to the setting using "Up" and "Down" arrows.
- Adjust the value using the arrow buttons.
- Press "Enter" or "Save" to confirm.
- Repeat for each setting you want to change.
Bottom line: Your control valve display shows the current time, remaining capacity, regeneration schedule, and any error codes. The most important setting is the hardness level (set to 10-15 GPG for Orlando). After power outages, always verify the time is correct. Error codes like FL (flow lock) and Lo (low battery) are common and easily resolved.
Advanced Settings to Know
Most control valves have additional settings beyond the basics. Understanding these helps optimize performance:
Backwash duration: The length of the reverse-flush cycle. For Orlando's water quality, 8-10 minutes is typical. Longer backwash removes more debris but uses more water.
Brine draw duration: How long the system draws brine during regeneration. For 10-15 GPG water, 30-40 minutes is optimal. Longer draw uses more salt but ensures thorough resin recharging.
Rinse time: The fast-rinse duration compacts the resin bed. 15-20 minutes is standard. Shorter rinse may leave brine in the resin; longer rinse wastes water.
Brine tank refill time: Controls how much water enters the brine tank after regeneration. Setting this correctly (usually 60-90 minutes) ensures the right water level for the next cycle.
Safety delay: Some valves have a safety delay that prevents back-to-back regenerations. This protects the system from mechanical stress and ensures proper brine formation.
Bottom line: Your control valve display shows the current time, remaining capacity, regeneration schedule, and any error codes. The most important setting is the hardness level (set to 10-15 GPG for Orlando). After power outages, always verify the time is correct. Error codes like FL (flow lock) and Lo (low battery) are common and easily resolved. Advanced settings like backwash duration and brine draw time can be optimized for your specific water conditions.
Power Outages and Control Valves
Orlando's frequent thunderstorms mean power outages are a regular occurrence. Here's what happens to your water softener during and after a power outage:
During an outage: Your control valve runs on battery backup (typically AA alkaline batteries). The system maintains its memory and continues to track water usage. If the batteries die during a prolonged outage, the valve will lose its programming and default to factory settings.
After an outage: When power returns, check the following:
- Verify the display is lit (replace batteries if not)
- Confirm the time is correct (outages reset the clock)
- Check that no error codes are displayed
- Verify the regeneration schedule hasn't been altered
- Run a manual regeneration if the system seems to be producing hard water
Pro tip: Replace control valve batteries every 12 months as preventative maintenance. Don't wait for them to die — a sudden outage with dead batteries could reset your entire system.
Bottom line: Your control valve display shows the current time, remaining capacity, regeneration schedule, and any error codes. The most important setting is the hardness level (set to 10-15 GPG for Orlando). After power outages, always verify the time is correct and check for error codes. Error codes like FL (flow lock) and Lo (low battery) are common and easily resolved. Replace batteries annually as preventative maintenance.
Common Questions About Water Softeners
What do the lights and numbers on my water softener control valve mean?
The display shows: current time, remaining capacity (days or grains until regeneration), regeneration timer, and error codes. A flashing light usually means regeneration is in progress. An error code (like "FL" for flow lock or "EE" for error) indicates a malfunction requiring attention.
How do I change my water softener's settings?
Settings are changed using the control valve's "up/down" or "plus/minus" buttons and a "menu" or "enter" button. Press menu, select the setting to change (hardness, regeneration time, capacity), adjust with up/down buttons, press enter to confirm, and repeat for each setting. Always consult your manual for the exact sequence.
My water softener shows an error code. What does it mean?
Common error codes include: "FL" or "E1" (flow lock — valve stuck in regeneration), "EE" or "E2" (electrical error — check power supply), "Lo" (low battery — replace backup battery), "E" followed by a number (manufacturer-specific error). Check your manual for the exact code, or call a professional.
How do I set the hardness level on my water softener?
To set hardness: press menu, find the hardness setting (usually displayed as "H" followed by a number), use up/down buttons to set your water's hardness level in GPG (for Orlando, 10-15 GPG), press enter to save. Correct hardness setting is critical for proper regeneration scheduling.
Why does my water softener display show "FL" or "FLW"?
"FL" or "FLW" (Flow Lock) means the control valve is stuck in regeneration mode. This can be caused by a power outage, a stuck valve, or a faulty control motor. Try resetting the system by turning off power for 30 seconds and turning it back on. If the code persists, call a technician.