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Error code · Henny Penny · Fryers

Henny Penny Gas Pressure Fryer Error Code E-20D: Burner Did Not Light

E-20D on a spark-ignited Henny Penny Velocity gas pressure fryer says the burner did not light when the control called for heat. If you smell gas, leave and call the gas utility. Otherwise check that the gas shut-off is open, press the Timer button once to retry, and call us if the burner stays dark.

Medium · inspection needed

High: the fryer cannot heat and the cause involves ignition and gas, which need careful testing.

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Code
E-20D
Maker
Henny Penny
Equipment
Fryers
Applies to
Pressure fryers 500/600/561 (iControl-era online help)

What does Henny Penny error code E-20D mean?

When the oil needs heat, the control asks the burner to light and waits to see a flame. If no flame appears in the allowed time, it gives up and displays E-20D, leaving the fryer cold or heating poorly. This differs from E-20C in what it names: E-20D describes the result, a burner that did not light, while E-20C points at the ignition module itself. Several things sit between the call for heat and a flame: the gas supply valve to the fryer, the spark electrode and its wire, the ignition module, and the gas valve that has to open. Sometimes the shut-off has simply been closed after cleaning or service, and that is the cheapest thing to check. Gas is part of this problem, so any gas smell means leaving the area and phoning the gas utility from outside. The display text is E-20D, and it appears on spark-ignited gas versions such as the PFG 600.

Affected models and control systems

Henny Penny Velocity gas pressure fryers with spark ignition, such as the PFG 600. Electric models do not show this code.

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-20D on the display
  • Fryer stays cold or heats poorly
  • Spark clicking with no flame, or silence

Possible causes

Listed in Henny Penny's documentation

  • Gas supply valve to the fryer closed
  • Spark electrode or igniter wire failed
  • Ignition module not firing the burner
  • Gas valve not opening

Other likely causes — what usually sits behind error code E-20D on this control. A technician confirms which one it is before any part is replaced.

  • A shut-off turned by accident during floor cleaning behind the fryer
  • Wet or greasy electrode tip after a boil-over

Safe checks before calling for service

✓ What an operator can do
  1. A gas smell means everyone leaves and the gas utility gets the call from outside.
  2. Check that the gas shut-off to the fryer is open.
  3. Press the Timer button to retry ignition, as the owner's manual lists.
  4. If the burner still stays dark, stop and call us.
  5. Tell us whether you heard clicking and whether the shut-off had been moved.

How a technician diagnoses error code E-20D

  1. Confirm E-20D, check for gas odor, and verify the shut-off is open.
  2. Measure supply gas pressure with a manometer.
  3. Watch the ignition sequence for spark at the electrode.
  4. Inspect the electrode, its gap and the spark wire.
  5. Test the gas valve coil for voltage during the call for heat.
  6. Test for leaks at the joints after any gas-side work before returning the fryer to service.
! Leave this to a technician
  • No ignition can mean no gas, no spark or no valve action, and each needs a different test with instruments.
  • We never light or adjust the gas side without checking for leaks first.
  • The ignition and gas valve circuit uses line voltage beside a fuel connection, so it is a licensed technician's job.

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.

→Same maker

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E-20DQuestions about Henny Penny error code E-20D
What is the difference from E-20C?

E-20D says the burner did not light; E-20C points at the ignition module.

Could the gas be off?

Yes, a closed shut-off is the first thing to check, if there is no gas smell.

How many times can I retry?

Once with the Timer button, then call us.

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Need help with Henny Penny error code E-20D?

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