26
Error Codes
Control Valve Error Code Diagnosis
Under normal operating conditions, when your control valve is in the “in service” position, the display should alter-
nate
between the current time of day and the number of days remaining (for filters and time clock softeners) or gallons
remaining (for metered softeners) until the next regeneration. This is the “home display.” If the valve is current-
ly going through a regeneration cycle, the display will show the cycle step on the left side of the display and the
number of minutes remaining in that step on the right side of the display. If any other information is being dis-
played, then the valve is
informing you of an issue. There are five error codes which could indicate an issue with the control valve. When
an error is being displayed, the valve will be in a stopped position, and the buttons will not respond to being
pressed. Even if the cause of the error code is corrected, the error code will not clear until the power supply has
been disconnected and reconnected (this will be referred to as “cycling” the power). All error codes are displayed
as the letters “Err” followed by a flashing number 2-6:
Error 2
- Valve is searching for homing slot.
Allow valve to continue running. If the homing slot is found, the valve will return to the home display, otherwise,
another error code will appear.
Error 3
- No encoder slots are being seen.
This occurs when the motor is running, but the encoder is not seeing any of the slots in the encoder wheel. This
can happen if the encoder has been disconnected, but most commonly occurs when debris in the valve body has
stopped the piston, causing the encoder wheel to be unable to turn.
1. Check encoder connection. If the encoder is plugged in and snapped into place, skip to step #2 below.
If encoder is disconnected, reconnect it and cycle power to clear the error.
2. Disconnect powerhead from valve body, cycle power to clear the error code. Manually cycle the power
head through the regeneration cycle steps to verify that the motor can cycle properly while the power
head is disconnected from the valve body. If the error 3 does not reappear, skip to step #3 below. If
the error 3 does reappear, order a board & motor kit to replace the circuit board & motor.
3. Remove piston and seals from the valve body and inspect valve body for debris. Replace the seal &
spacer kit. Inspect piston and replace piston if Teflon coating is worn
Error 4
- Unable to find homing slot.
1. Check encoder wheel for debris.
2. Cycle power. Valve should either find home or go to a different error code. If error 4 returns, replace
powerhead assembly.
Error 5
- Motor overload.
This occurs when the motor current is too high. This could be caused by an issue with the motor itself, but is typi-
cally caused by friction in the valve body
1. Disconnect powerhead from valve body and cycle power to clear the error code.
2. If the error 5 returns, replace the motor. Otherwise, manually cycle the powerhead through the regener
ation cycle steps to verify that the motor can cycle properly while the powerhead is disconnected from
the valve body. Either way, proceed to the next step.
3. Remove piston and seals from the valve body and inspect valve body for debris. Replace the seal &
spacer kit. Inspect piston and replace piston if Teflon coating is worn.
Error 6
- No motor current.
This typically occurs if the motor cable has come unplugged from the circuit board. Check that the motor cable
is plugged into the circuit board and attached to the motor. If this is not the issue, the motor or circuit board may
need to be replaced.
