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Error code · Henny Penny · Fryers

Henny Penny Pressure Fryer Error Code E-41: Program Settings Lost

E-41 on a Henny Penny Velocity pressure fryer means the control has lost its program settings, so cook times and temperatures may be gone or wrong. Switch the fryer off, wait, and switch it on again. Write down the cook times your kitchen uses and call us to set the control up again.

Medium · inspection needed

Medium: the fryer may not cook until its settings are restored, but heating safety is not directly involved.

Code
E-41
Maker
Henny Penny
Equipment
Fryers
Applies to
Pressure fryers 500/600/561 (iControl-era online help)

What does Henny Penny error code E-41 mean?

The control keeps the cook times, temperatures and setup that staff rely on in memory. At power-up it checks that this stored program is complete. If the data is missing or does not pass the check, the control shows E-41 and the fryer may stop cooking until it is set up again. An odd power event, such as a surge or a brief outage while the control was saving, can wipe the program. A worn control board can lose it as well, and then the loss repeats. A one-time loss after a power event is different from a failing board, so the history matters: if the settings vanish again soon after being re-entered, the control itself is the cause, while a single loss followed by stable operation points to the power event. The maker's first steps are to switch the fryer off and on and then set the control up again. The display text is E-41, and it applies to the PFE 500 and PFE 561.

Affected models and control systems

Henny Penny Velocity pressure fryers such as the PFE 500 and PFE 561, as described in the iControl-era online help.

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-41 on the display
  • Cook times and temperatures missing or wrong
  • Fryer will not start a cycle

Possible causes

Listed in Henny Penny's documentation

  • Power event that wiped the fryer program settings
  • Memory on the control that no longer holds data
  • Failing control board on the Velocity fryer
  • Unstable supply to the control memory

Other likely causes — what usually sits behind error code E-41 on this control. A technician confirms which one it is before any part is replaced.

  • A building outage or breaker flip while the fryer was powered up
  • Settings that vanish again after re-entry, which points to the board

Safe checks before calling for service

✓ What an operator can do
  1. Switch the fryer off, wait, then on again, as the owner's manual lists.
  2. Write down the cook times your kitchen uses so they can be entered again.
  3. If E-41 stays, the control needs to be set up again, which we do with your settings in hand.
  4. Call us if it keeps coming back.
  5. Tell us whether there was a power outage or breaker trip before it appeared.

How a technician diagnoses error code E-41

  1. Confirm E-41 and ask about recent outages or breaker trips.
  2. Check supply voltage stability at the fryer.
  3. Reload the setup with the kitchen's cook times in hand.
  4. Power cycle several times and watch whether the settings hold.
  5. If the program is lost again, replace the control board.
  6. Verify temperatures and timers against a thermometer after reloading.
! Leave this to a technician
  • Reloading a control means entering setup parameters that change how the fryer cooks and protects itself.
  • A recurring loss points to the control board, which sits near line-voltage wiring and the vat.
  • We write down your settings before touching anything, so your menu times return exactly as they were.

Technical reference

Document
Henny Penny 4 Head Pressure Fryer online help, Error Codes
Maker documentation
Henny Penny owner support
Models / control
Pressure fryers 500/600/561 (iControl-era online help)
Section
Online help page 'Error Codes' - one Display / Cause / Solution table (HTML page, no page numbers); footer 2026 Henny Penny Corporation
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.

E-41Questions about Henny Penny error code E-41
Did I lose my cook times?

Possibly. Write down the ones you use so they can be entered again.

Will it happen again?

A one-time loss after a power event may not. If it repeats, the control itself is suspect.

Is the fryer safe to use?

Do not cook until the setup is restored.

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Need help with Henny Penny error code E-41?

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

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