Error code · Professional Range

Monogram ZGP Gas Range Code F8: EEPROM data shift failure

Medium · inspection needed

Code: F8
Appliance: Professional Range
Brand: Monogram
Warranty: 30-day workmanship

What F8 means

On Monogram ZGP gas ranges with the Timer and Mini-Knob oven control, for example the ZGP484NG, F8 stands for an EEPROM data shift failure. The EEPROM stores the control's setup information, and F8 says the control had trouble shifting that data in or out. A single occurrence can come from a power disturbance. The guidance for the range is that if the failure repeats, the control should be replaced. Owners may find the oven ignoring commands or resetting its settings.

Common causes of F8

Control memory not storing or reading its setup data
Brief power disturbance at the control
Repeating memory failure that needs a new control

✓ One safe check you can try

1. Turn the oven off and give the range a few minutes. 2. Make a simple bake setting and watch the control. 3. Write down when F8 appears and how often. 4. If it repeats, stop using the oven and call us.

! Why to stop there

Only a repeat tells us the memory is failing rather than disturbed once
We check power quality and connections at the control before replacing it
A replacement control is ordered only after we confirm the repeat

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 Professional Range codes

CXMonogram ZGP Range Code CX: Communication error C1Monogram ZGP Range Code C1: Main relay board link C2Monogram ZGP Range Code C2: Upper temperature encoder C3Monogram ZGP Range Code C3: Upper mode encoder C4Monogram ZGP Range Code C4: Auxiliary relay board link C5Monogram ZGP Range Code C5: Lower temperature encoder C6Monogram ZGP Range Code C6: Lower mode encoder SFMonogram ZGP Range Code SF: Special features menu

F8F8 questions

Is F8 serious?

It matters if it keeps coming back, because the control cannot store its setup reliably. A single appearance after a power blip is less worrying.

Does this affect the burners?

The code concerns the oven control's memory. Surface burners work on a separate system, but if the oven control is also out we will check what else it manages.

Can I fix this by resetting power?

A short wait does no harm, but if F8 repeats the memory itself is the issue and a reset will not cure it. We then plan a control replacement.

Book a visit

Still seeing F8?

A technician diagnoses it on site and gives you the price in writing before any work starts.

(713) 955-0955