AccuTemp LOW WATER Error Code

What does AccuTemp LOW WATER mean?

The LOW WATER warning light on an AccuTemp Evolution steamer means the steamer is low on water or the water sensors need to be cleaned. On connectionless models the light illuminates and an alarm sounds until water is added up to the fill level; on connected models the unit fills automatically and the light extinguishes once the chamber reaches level. A false low-water signal can also accompany an over-temperature condition.

Symptoms

• LOW WATER warning light is on
• Audible alarm sounds on connectionless models until water is added
• Steamer will not start or stops heating
• Light returns shortly after the chamber appears full

Common causes

• Water level in the cooking chamber is below the fill mark
• Water-level sensor probes are dirty or scaled
• Water supply to a connected model is shut off
• An over-temperature condition reporting through the water board as low water

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Diagnostic steps

1. Check and add water

   On connectionless models, add water to the cooking chamber up to the water fill level; the light should extinguish and the alarm stop once level is reached.

2. Verify the water supply

   On connected models, confirm the water line to the steamer is turned on and the drain valve is closed so the unit can fill automatically.

3. Clean the water-level sensors

   Clean the water-level sensor probes (the white buttons) and the surrounding wall so they read the level correctly. Allow the unit to cool first to avoid burns.

4. Rule out an over-temp condition

   If the light persists with adequate water, check whether the unit has overheated, since an over-temp can show as a low-water warning through the water board.

When to call a professional

Adding water and cleaning the sensor probes are routine operator tasks and resolve most low-water warnings. If the light keeps returning after the chamber is filled and the probes are clean, the high-temp limit, water sensors or pressure switches may be failing. AccuTemp's documented next steps involve replacing water sensors, over-temp switches or pressure switches, which should be left to AccuTemp Technical Service at 800-480-0415.