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Automatic Electronic Diagnostics
This water softener has a se lf--diagnostic function for the electrical system (except input power and/or
water meter). The water softener monitors electronic components and circuits for correct operation.
If a ma lfunction occ urs, an error code appears in the display.
The troubleshooting chart shows the error code s that could appea r, and the possible malfunctions for
each code.
While an error code appears in the display, all buttons are inoperable except the PROGRAM button.
PROGRAM remains operational so the service person can perform the Manual Advance Diagnostics,
see below, to further isolate the problem.
Manual Advance Diagnostics --- Model WHES20
Use the following procedures to advance the water softener through the regener ation cycles to check
operation.
Lift off the sa lt hole cover, remove the top cover by unlocking the tabs in the back and rocking for ward,
to observe cam and switch operation during valve r otation.
1. Press and hold
PROGRAM for 3 seconds until 000 -- -- shows in the display.
2. The first 3 digits indicate water meter operation a s follows:
000 (steady) = Soft water not in use, and no flow through the meter.
Open a nearby soft water faucet.
000 to 199 (continual) = Repeats display for each gallon of water passing through the meter.
NOTE:
If you don’t get a reading in the display, with faucet open, pull the sensor fr om the valve
outlet port. Pass a small magnet bac k and forth in front of the sensor. If you get a reading
in the display with the magnet, unhook the in and out plumbing and check the turbine for
binding.
3. The letter (P) and dash (or dashes) indicate POSITION switch ope ration. If the letter appears, the
switch is closed. If the dash shows, the switch is o pen.
4. Use the
RECHARGE button to manually advance the valve into eachcycle and check correct
switch operation.
NOTE:
Be su re w ater i s in contact with the salt, and not separated by a salt bridge... see “Breaking
A Salt Bridge” section.
5. While in this diagnostic scree n, the following information is available a nd may be beneficial for
various reasons. This informa tion is retained by the c omputer from the first time electrical power
is applied to the face plate.