Payne PG95ESA Error Code 14: Ignition Lockout

What Does Code 14 Mean?

Status code 14 (one short flash followed by four long flashes) is an ignition lockout. The furnace tried to light, could not prove a flame through its full sequence of attempts, and has locked out. The control auto-resets after 3 hours and tries again, but until the root cause is fixed it will keep failing back into lockout.

Code 14 is the lockout endpoint of the sequence that begins as code 34 (ignition proving failure). Code 34 is the active, still-retrying stage; after the final failed attempt the control escalates to this 14 lockout. On the PG95ESA the burners are lit by a hot surface igniter, and the flame sensor must read a minimum flame-sense current to confirm the flame. When that confirmation never comes, the furnace ends here.

The most common causes are a faulty or cracked hot surface igniter that no longer glows properly, a gas supply issue (a closed manual gas valve or a gas valve failure), or a dirty flame sensor that can't detect the flame. Low gas pressure is a less common contributor. Each of these reaches into the gas or ignition circuit, so diagnosis is professional work rather than a DIY repair.

What You'll Notice

• The furnace tries to light several times, fails, and then goes silent and stops trying for about 3 hours
• The amber LED flashes one short flash followed by four long flashes (code 14)
• You may hear the inducer and igniter cycle, but the burners never stay lit — or never light at all
• The house goes cold because the furnace is locked out and not producing heat
• The furnace may recover after 3 hours and briefly run, then lock out again if the cause remains

Common Causes

How This Is Diagnosed

A technician generally starts where code 14 came from — the code 34 ignition sequence — and watches a trial for ignition. They confirm the manual gas shutoff valve is open and inlet gas pressure is adequate, then check whether the hot surface igniter glows during its warm-up period. If it doesn't glow or glows weakly, the igniter is suspect.

If the igniter lights the burners but the flame drops out, attention turns to the flame sensor and its flame-sense current, control grounding, and the gas valve's ability to hold the flame. Because these checks involve the gas valve, igniter, and low-voltage flame-sensing circuit, the full diagnosis is done by a qualified technician; the only homeowner-safe check is confirming the thermostat is calling for heat and that the furnace gas valve wasn't left closed.

When to Call a Professional

This code involves components that are not homeowner-serviceable, so have a licensed HVAC technician diagnose and repair it. Keep in mind:

• The furnace repeatedly fails to light and locks out on code 14
• The igniter does not glow, or the burners light and then go out
• The lockout returns every few hours after the 3-hour auto-reset
• The problem worsens in cold weather, which can point to low gas pressure or a weakening igniter

✓ Verified against manufacturer service manual — March 2026