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Skytech · Gas fireplace

1 Beep Every Second Ignition safety - pilot did not light in 60 seconds

High severity AF-4000

What the control is telling you

The module beeps once a second when it could not light the pilot within 60 seconds.

Applies to: Skytech AF-4000 MOD-1, AF-4000 MOD A and SMART MOD remote modules (used on many fireplace brands)

Likely causes

  • Gas supply off
  • Module orange/white leads not plugged into the PILOT connection on the valve
  • Igniter lead not on the module I terminal
  • Flame sensor lead not on the module S terminal
  • Black ground lead from the module not on a good ground
  • Blocked pilot line

Test and repair steps

  1. Clear it press OFF, then ON to retry ignition.
  2. Make sure the gas supply is on.
  3. Check the orange/white leads from the module are plugged into PILOT on the valve body.
  4. Check the igniter lead from the pilot assembly is on the module I terminal, and the flame sensor lead is on the S terminal.
  5. Check the module's black ground lead goes to a proper ground on the fireplace.
  6. Check the pilot line for blockage.

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Source: Skytech Audible Alerts & Error Codes for AF-4000 MOD-1 / MOD A / SMART MOD, p.2-3. Summarized in our own words; check the original manual for your model.

Homeowner looking at this code? See what it means for you and when to call a technician.

For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.