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Resources · Clack Valve Troubleshooting

Clack WS1 error codes and valve troubleshooting

Every Clack WS1 error code in one complete guide, taken from Clack's current service manual: the code table, the reset for each control, and the check order for E1–E3, Err 101–117 and the unverified 4xx codes. Plus the diagnostics that aren't error codes, like a valve that won't draw brine.

Written and maintained by Aquonyx — educational material for dealers, installers, and homeowners researching a decision.

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Clack WS1 Error Codes: Complete Troubleshooting Guide

Complete Clack WS1 error-code table and fix order from Clack's current service manual. E1–E3, Err 101–117, reset steps, and what each code means.

Updated October 15, 202641 min read
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It regenerates but never uses salt: the brine-draw diagnostic order that saves the second trip

The manual says check the injector first. The field record says float first. Here's why both are right, and which one to do at 4pm with a customer waiting.

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From the Manufacturer

Turn water-treatment knowledge into a product line

Aquonyx supplies its nationwide network of independent dealers with wholesale pricing, training, and technical support. Apply at no cost.

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