Henny Penny Electric Fryer Error Code E-10: High Limit Tripped
E-10 / HIGH LIMIT TRIPPED means the shortening overheated, the drain was opened while the heat was on, or the high limit has failed. Reset the high limit as the manual's operating chapter describes and check the shortening. If it keeps tripping, have the heat parts checked.
High: the shortening or the heat circuit exceeded a safety limit, so the fryer must be checked if it trips again.
- Code
- E-10 HIGH LIMIT TRIPPED
- Maker
- Henny Penny
- Equipment
- Fryers
- Applies to
- Open fryers OFE-321/322 (320 series)
What does Henny Penny E-10 HIGH LIMIT TRIPPED mean?
The high limit is a safety device that cuts the heat if the shortening gets too hot. On the Computron 1000 control it shows as E-10 / HIGH LIMIT TRIPPED. The manual gives three causes. The shortening may have overheated. The drain may have been opened while the heat was on, which leaves the elements dry and hot. Or the high limit itself may have failed. The manual's action is to reset the high limit, using the steps in the operating chapter of the manual, and to check the shortening for overheating. If it keeps tripping, the heat parts should be checked. Resetting only restores the heat and does not remove the reason it tripped. Cooks should always close the drain before the heat is on. A limit that trips again and again is a sign that something in the heat control is not switching off.
Affected models and control systems
Henny Penny OFE-321 and OFE-322 electric open fryers with the Computron 1000 control. The manual we used is a text viewer copy. The reset steps are in the operating chapter of the manual.
Code numbers and their meaning can change between control generations. We match the full model and control before acting on a code.
What you may notice
- E-10 / HIGH LIMIT TRIPPED on the controller
- Fryer stops heating
- Shortening looks scorched or smells burnt
- Drain was opened during heating
Possible causes
Listed in Henny Penny's documentation
- Shortening overheated
- Drain opened while heating
- Failed high limit
Other likely causes — what usually sits behind E-10 HIGH LIMIT TRIPPED on this control. A technician confirms which one it is before any part is replaced.
- Heat contactor sticking on so the oil keeps heating
- Temperature probe reading too low
- Oil level low enough to expose the heating surfaces
Safe checks before calling for service
- Turn the fryer off and let the shortening cool.
- Make sure the drain is closed.
- Reset the high limit following the operating chapter of the manual.
- If E-10 returns, stop and call us with the oil level and what was cooked.
How a technician diagnoses E-10 HIGH LIMIT TRIPPED
- Read the code and confirm E-10.
- Check the shortening and the drain valve position.
- Reset the high limit and watch a heating cycle.
- Compare the probe reading with a reference thermometer.
- Check the heat parts and replace the limit if it fails.
- Hot shortening is a burn and fire hazard.
- The limit and contactors sit in the line-voltage heat circuit.
- A limit that keeps tripping points at a control or heat problem.
How E-10 HIGH LIMIT TRIPPED differs from similar codes
E-10 is the high limit trip; E-5 is the control's own over-temperature message.
Technical reference
- Maker documentation
- Henny Penny owner support
- Edition
- Not printed on the page opened (a search snippet showed 'Revised 4-02-09')
- Models / control
- Open fryers OFE-321/322 (320 series)
- Section
- Warnings and Error Messages, printed p.1-6
- Checked
- October 2026
We use the maker's document to read the code and do not reproduce it. Always confirm the complete model and control before applying these steps.
Related Henny Penny fryer error codes
Can I just reset and continue?
Reset it once as the manual says and check the shortening. If it trips again, call.
Why does opening the drain matter?
With the drain open and the heat on, the elements run without oil.
Is the limit itself bad?
It can be. The manual lists a failed high limit among the causes.
Need help with Henny Penny E-10 HIGH LIMIT TRIPPED?
A technician confirms the cause on site and gives you the price in writing before any work starts.