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The membrane keypad beside the door of a countertop microwave, the display showing plain digits and one key worn smooth at its center.

JennAir E03: the keypad reported trouble to the main board

Inside a JennAir hood combination the touch keypad and the main board talk over a short cable.

(844) 393-5858

Mon–Sat, 8am–8pm

  • Control board and touchpad
  • Microwave control board and touchpad repair
  • Source: JennAir

Book a visit

Three short steps, about a minute.

or call (844) 393-5858

What E03
actually means.

Inside a JennAir hood combination the touch keypad and the main board talk over a short cable. E03 means the keypad side flagged a problem, so the keypad membrane or that cable is where the repair usually lands.

JennAir microwave display

What to do when E03 shows on the microwave

Kind of codeControl board and touchpad

The electronics that read the keys and run the cycle have flagged a problem with themselves: a key that the control sees as held down for too long, a membrane keypad worn through or swollen by steam, a lost link between the keypad and the board, or a board that failed its own check after a surge. A breaker reset now and then clears a glitch; a stuck key or a code that comes straight back points to the keypad or the board.

Usually leads toMicrowave control board and touchpad repair

Tracing a dead display, keys that do not answer or a code that keeps returning to the keypad, the ribbon, the relays or the main board, and replacing only the part that failed.

Shows up asWhat a Microwave Error Code Is Telling You

A microwave error code may be a letter and a number on the display, a lock or demo word, a row of dashes, or a beep with a blinking clock, and it can show while the microwave still heats or block every key until it is cleared.

MakeJennAir

JennAir microwaves looked at in place, with the breaker, the door switches and a one-minute heat test covered before any part is priced.

SourceJennAir Product Help, over-the-range microwave: E03

From JennAir's help pages for its microwave hood combinations (Euro-style, including the convection models). The code set varies with the control generation, so a code missing from your model's manual may not apply to it.

Before you book,
in this order.

Each step comes from JennAir's own guidance for E03 on its microwaves. Follow it to the end: the last card says whether this is a visit.

01

Turn the microwave off at the circuit breaker, count a full minute, then restore power.

02

Give it a minute on standby; a code that does not reappear was likely a one-time glitch, so run a short cycle to confirm.

03

Keep steam and splashes off the panel and dry it with a soft cloth.

04

If E03 returns, book a visit to have the keypad and its connection tested.

Still there?

It usually turns into microwave control board and touchpad repair. Book with the code and the model number.

What not to do

E03 does not concern heating parts or the door. Keys that ignore presses with LOC or a padlock showing are the lock, not E03.

What you may
notice with it.

The microwave problems E03 tends to arrive with. Answer these at the microwave before anyone is booked.

All problems

Before you call

What a Microwave Error Code Is Telling You

All 7 causes, cheapest first

It also comes with

Close view of the control panel beside the side-hinged door with a mesh window of a built-in stainless microwave in a tall kitchen cabinet, a few abstract lit segments on its small display, the microwave cavity dark behind the closed mesh window. Problem

What a Microwave Error Code Is Telling You

7 causes, cheapest first

Where E03 usually leads

Microwave control board and touchpad repair.

Control board, keypad membrane or display · moderate to highest.
Book a visit What the job involves

JennAir
microwaves.

JennAir microwaves looked at in place, with the breaker, the door switches and a one-minute heat test covered before any part is priced.

JennAir microwave repair

More JennAir codes

LOCDOORPFDemoE11E21F3T3F4E1F4E4F6E0F7E9F9Q1
All 21 JennAir codes

Control board and touchpad on other makes

Bosch E-xxCafé KEYPAD SHORTEDDacor C-F0Fisher & Paykel F + numberGaggenau ExxGE Profile F3KitchenAid F2Monogram F3
All 23 codes of this kind
A stainless microwave hood combination mounted under white shaker wall cabinets in a US kitchen, the microwave's side-hinged door closed with its dark mesh window, a plain glass bowl visible faintly on the glass turntable inside the microwave, the lamp on its underside glowing softly onto a cooking surface that is cropped and out of focus at the bottom edge. JennAir builds this

Microwave hood combination

The microwave that hangs from the wall cabinets above the burners, heating food in its cavity while its own fan, light and filters handle the steam and grease rising from the pans beneath it.

 A stainless built-in microwave set flush into a tall walnut cabinet at eye level in a US kitchen, a thin steel trim frame around the microwave, its door closed with a dark mesh window and a plain glass dish on the glass tray inside the microwave, soft daylight from the side. JennAir builds this

Built-in microwave

A microwave set into a tall cabinet or a wall of cabinetry at eye level, either a countertop body wrapped in a trim kit or a true built-in model, including speed and convection microwaves that brown as well as heat.

 A stainless microwave drawer built into a light oak kitchen island under a marble counter in a US home, the microwave drawer slid fully open toward the camera to show its flat interior with a plain covered glass casserole dish inside, the control strip along the top edge of the microwave blank or showing plain digits only. JennAir builds this

Microwave drawer

A microwave built under a counter or into a kitchen island that opens like a drawer at the touch of a key, with a motor and gears sliding its cavity out toward you.

In JennAir's own words

There may be a problem with the Keypad (User Interface) or the associated wiring.
JennAir Product Help, over-the-range microwave: E03 JennAir Product Help, over-the-range microwave: E03

Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. From JennAir's help pages for its microwave hood combinations (Euro-style, including the convection models). The code set varies with the control generation, so a code missing from your model's manual may not apply to it.

JennAir E03 microwave repair,
where we come out.

The same visit in every metro below: the code, the model number, and a diagnosis before any part is ordered.

All service areas

Tampa BayFL · 31 areas

OrlandoFL · 30 areas

Miami / South FloridaFL · 47 areas

New York MetroNY · 75 areas

HoustonTX · 36 areas

ChicagoIL · 50 areas

Los AngelesCA · 95 areas

San DiegoCA · 31 areas

San Francisco Bay AreaCA · 74 areas

A family warming plates of food at a built-in microwave in a bright kitchen
For the heart of your home.

Questions
about E03.

Can I clear E03 myself?
Turn the microwave off at the circuit breaker, count a full minute, then restore power. If it comes back, it needs a visit.
What part usually fixes E03 on a JennAir?
The keypad assembly or its cable to the board. The technician checks the connection first, since a reseated cable costs far less than a new part.
Can a JennAir with E03 still heat food?
Usually not, because the control cannot trust the keys. Leave it off until the code clears or is repaired.
Why did E03 appear after cleaning the JennAir panel?
Liquid that seeps under the membrane can short a key. Let it dry fully, reset power, and see if the code stays away.

Back to your everyday

Still showing E03?

Three details make the booking useful: the characters or beeps just as they appeared, every character of the model number, and whether a cup of water still warms up. With those, the technician arrives already halfway to the answer.

Schedule a repair Call (844) 393-5858
(844) 393-5858 Schedule a repair