On the covered Whirlpool range, Lo, Pre, ES, E5, Demo Mode means the oven is below 170 degrees or preheating, Energy Save is active, or Demo Mode is on First, confirm the oven is heating normally. Then: leave Energy Save and Demo Mode by the key sequence in the manual.
Differential
Likely causes of “Whirlpool range code Lo, Pre, ES, E5, Demo Mode”, and how to tell them apart
- 1
The oven is below 170 degrees or preheating (Lo, Pre)
What separates it Lo or Pre shows right after you start the oven
How to confirm Whirlpool says the display shows the temperature and rises in 5 degree steps once the oven reaches 170 degrees on some models
- 2
Energy Save is on (ES, E5)
What separates it The display shows ES followed by On and then goes blank
How to confirm Whirlpool says the control sleeps after 5 minutes idle; press any key
- 3
Demo Mode is on
What separates it The oven runs its display but the elements stay cold
How to confirm Whirlpool says Demo Mode lets you try the features without turning on the heating elements
Before you touch a setting
Record this first — changing settings destroys the evidence
- The exact display: Lo, Pre, ES, E5 or Demo
- Whether the oven actually heats when it is on
- Whether the display sleeps after a few minutes
Try in this order
0 of 5 completedWhat to do first
ReversibleConfirm the oven is heating normally.
Correct only the documented fault domain
ReversibleLeave Energy Save and Demo Mode by the key sequence in the manual.
Read Lo and Pre as normal
ReversibleWhirlpool says Lo or Pre simply shows the oven is below 170 degrees F or preheating; a tone sounds when the set temperature is reached.
Leave Energy Save
ReversibleWhirlpool says to press and hold Clock for 10 seconds to enter or leave Energy Save; the display shows ES followed by On or Off twice.
Leave Demo Mode
ReversibleOn a wall oven Whirlpool says to open Tools, choose Info, choose Store Demo Mode and set it OFF; ranges vary, so check the manual.
Model-specific
What is true of this model and not of its siblings
- Displayed as
- Lo, Pre, ES, E5, Demo Mode.
Stop boundary
When this stops being a self-service repair
- !Arrange service if the oven never heats and Demo Mode is confirmed off
Evidence ledger
Sources behind this answer
Where the manufacturer's article stops. The 170 degree threshold and the 10 second hold are Whirlpool's own.
Exact questions
Common questions
What does Lo, Pre, ES, E5, Demo Mode mean on a Whirlpool range?+
the oven is below 170 degrees or preheating, Energy Save is active, or Demo Mode is on
What do Lo and Pre mean?+
The oven temperature is low (below 170 degrees F) or the oven is preheating.
What do ES and E5 mean?+
Energy Save is active; the display sleeps after 5 idle minutes.
How do I leave Energy Save?+
Press and hold Clock for 10 seconds.