JennAir Built-In Code F1 E7: appliance control board

What F1 E7 means

F1 E7 on JennAir built-in microwaves, microwave drawers and combination wall oven microwave sections, such as the JMC2430LL or JMC2427LL, means there may be a problem with the appliance control board or the associated wiring. Owners see F1 E7 and the microwave may not start, may reset itself or may lose features. This is a control electronics message. The microwave may simply sit with the display dark or locked.

Common causes of F1 E7

Appliance control board has failed
Wiring or connector to the board is loose
Supply voltage to the board is unstable

✓ One safe check you can try

1. Start by pressing Stop/Cancel and latching the door. 2. Hold the breaker off for sixty seconds before restoring power. 3. Check that the display lights. 4. Heat a cup of water for thirty seconds. 5. If F1 E7 returns, stop and call us.

! Why to stop there

Control boards sit behind the cavity and operate at line voltage.
The wiring must be tested together with the board.
Repeated resets can stress electronics.

Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.

→Same appliance

Other Microwave codes

F8 E3JennAir Built-In Microwave Code F8 E3: one more cooling alert Sabbath, Sab, 5Ab, or 5A6JennAir Built-In Microwave Message "Sabbath, Sab, 5Ab, or 5A6": Sabbath Mode On F8 E4JennAir Built-In Microwave Code F8 E4: exhaust air sensor SEJennAir JMV Code SE: keypad problem F8E5JennAir JMV Code F8E5: exhaust air temperature sensor F9JennAir JMV Code F9: appliance or relay control board F9Q1JennAir JMV Code F9Q1: touch pad problem FC E1JennAir OTR Microwave Code FC E1: router connection timed out

F1 E7F1 E7 questions

Does F1 E7 mean the whole microwave is lost?

Not necessarily. Control boards can usually be replaced, and we compare the repair cost with the price of a new unit before you decide, with the numbers written down.

What is the difference between F1 E7 and F1 E3?

F1 E3 names the Microwave Appliance Manager, while F1 E7 names the appliance control board. Both are electronics, but the part differs, so we test each one separately.

Could power problems cause F1 E7?

Weak or surging supply can upset the board. We test the supply as part of the check, so a new board is not stressed by the same cause that harmed the old one.