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10 guides

Parts and tools for dishwasher error codes

These are the parts, tools and supplies that the manufacturer manuals behind our dishwasher code pages name. Each guide explains what the item does, how to choose and test it and when to leave it to a technician. Shopping links are Amazon links; search links open results and never confirm a fit for your model.

By brand

Guides

tool

Multimeter for appliance and HVAC diagnosis

What a multimeter measures, which manual steps call for one, how to choose one and the rules for using it safely.

tool

Non-contact voltage tester

How a non-contact voltage tester works, how to choose a dual-range model and why it never replaces switching power off.

tool

Nut driver set

Why nut drivers suit appliance and furnace panels, which sizes a common set covers and what insulated means.

tool

Level and wrench for levelling a washer or dishwasher

LG and Samsung say an unlevel washer can cause UE and drain faults. What to use to check and adjust levelling.

consumable

Dishwasher filter cleaning

Bosch E22, E24 and E25, LG OE and Samsung 1E all start with the dishwasher filter. What the manufacturers say and what to use.

part

Dishwasher drain hose

Drain hose, air gap and high loop checks from GE, LG, Samsung and Bosch, and what to buy if the hose is damaged.

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part

Dishwasher water supply line

Bosch E16 to E18, LG IE and GE H2O all start with a kinked inlet hose or closed valve. What to check and what to buy.

consumable

Dishwasher descaler and cleaner

Bosch E12 is limescale in the heat pump. What Bosch says and how dishwasher cleaner tablets are used.

consumable

Dishwasher softening salt

Bosch says to use softening salt, if the dishwasher has a water softener, to help prevent E12 limescale.

consumable

Dishwasher detergent

LG bE and AE point to the wrong detergent. What LG says to use and not use.

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Power off firstSwitch the dishwasher off at its breaker and let the tub cool before you clean a filter or reach into the base.