What E40 Means
WHICH MACHINES THIS APPLIES TO: the E-series belongs to the Asko Logic, Pro Home, Craft and Elements washers - models such as W2084, W4086, W6088X and the WM75 and WM85 generations. On these the display shows "Error" and the number, and holding the INFO button brings up the description text. The code on this page comes from the instructions for the WM85.C-V generation, which also covers the PEL W80 EDV, and it does not appear in the older books.
SOMETHING ASKO PRINTS ABOUT ITS OWN E-CODES THAT IS WORTH KNOWING BEFORE READING ANY OF THEM: "Disturbances from the environment (e.g. the power grid) may result in various error reports." That is the manufacturer saying plainly that a one-off code is not always a problem in the machine, which is why almost every published action on this platform starts with restarting the program.
WHAT E40 MEANS: the WM85.C-V instructions give the description as "Voltage out of range", and the published action is to restart the program, and to contact a service center if it recurs.
WHAT IS UNUSUAL ABOUT THIS CODE: almost every other error on this platform points inside the machine. This one points outside it. The control monitors the supply it is running on, and E40 says the voltage it measured is not within the band the machine is built to work in - too low or too high.
WHY A WASHING MACHINE CARES: the motor drive, the heater control and the electronics all assume a supply within a range. Below it, the motor cannot hold speed and the drive works harder for the same result. Above it, the parts on the supply side are outside what they were designed for. Stopping and reporting is a great deal cheaper than either.
WHEN A LOW SUPPLY IS THE LIKELY ANSWER: a long or undersized run to the machine, a property at the end of a line, a generator or an inverter supply, or a heavy load starting elsewhere at the same moment - an electric shower, a hob, a workshop tool.
WHY ASKO'S OWN MANUAL SAYS TO RESTART FIRST: because a brief disturbance on the supply produces this without anything being wrong. The same manual's blanket note about disturbances from the power grid is aimed at exactly this situation.
WHEN IT IS NOT A ONE-OFF: a code that keeps returning, particularly at the same times of day or when particular appliances run, is describing the property's supply rather than the machine.
CLASSIFICATION: problem report about the supply. Whether it becomes a machine matter depends on whether it recurs.
Common Causes of E40
- Supply voltage at the property low or high, or unstable
- Heavy load starting elsewhere on the same circuit and pulling the voltage down
- Long, undersized or shared supply run to the machine
- Loose connection at the plug, the outlet or the breaker
- Generator or inverter supply outside the band the machine expects
- Brief grid disturbance, which Asko itself names as a cause of one-off error reports
🔧 One Safe Check You Can Try
Restart the program, which is the published action, and then start paying attention to the house rather than the machine. Note whether the lights dim or flare when heavy appliances start, whether anything else resets or misbehaves at the same moments, and whether the code clusters at particular times of day. Note what else was running when it appeared - an electric shower, an oven, a hob, a workshop tool on the same supply. If the property runs on a generator or an inverter at any point, that is directly relevant and worth saying. Check the breaker for the washer at the panel and that the plug is fully home in its outlet; if either the plug or the outlet feels warm to the touch, stop using that outlet and have it looked at, because warmth there means a loose connection under load rather than something to push in harder. Do not change the plug, the cord or the outlet yourself, and do not open the breaker panel. If E40 keeps returning, the useful call is to an electrician to measure the supply at the property, and that measurement is worth having before an appliance technician is booked.
⚠ Why You Shouldn't Go Further Than That
- An outlet or plug that feels warm is reporting a loose connection under load, and the response is to stop using it and call an electrician rather than to reseat it and carry on.
- The supply is measured at the property by an electrician with the right instrument, not at the appliance and not by an owner.
- The outlet, the cord and the breaker panel are not opened, replaced or rewired by an owner.
Opening a panel to inspect or repair something yourself doesn't automatically cancel your manufacturer's warranty — but it can risk accidental damage, and some manufacturers do have specific service conditions. Check your product's warranty terms, or ask us, before deciding.