Payne PG80ESA Error Code 11: No Previous Code
What Does Code 11 Mean?
Status code 11 on the Payne PG80ESA reports No Previous Code: when you retrieve the stored diagnostic history, the Furnace Control CPU has no recorded fault to show. It is the board's way of saying its recent memory is clean.
This is not a live status of what the furnace is doing right now; it is the answer to a history query. The control keeps stored status codes for a limited time and then clears them — on this furnace, stored codes are erased automatically after 72 hours. On the red-LED version of the board they are also erased any time power (115VAC or 24VAC) is interrupted, so a recent breaker trip, a service call, or a power outage will wipe the log and leave you with code 11.
Because of that, code 11 is genuinely good news only if the furnace is also running normally. If the furnace is misbehaving but reports 11, it usually means the evidence aged out past 72 hours or was erased by a power interruption before you read it — not that nothing ever went wrong. In that case, let the fault recur and read the code promptly.
What You'll Notice
- Retrieving the stored history shows one short then one long flash (code 11) and no fault codes
- The furnace is otherwise operating normally, or has recently had its power cycled
How This Is Diagnosed
No repair action follows code 11 — it confirms the fault log is empty. It is normally read on purpose during service or troubleshooting to see whether any faults were recorded in the last 72 hours.
If you expected to find a stored fault but see code 11 instead, consider whether power was interrupted (which erases stored codes on the red-LED board) or whether more than 72 hours have passed since the event. To capture an intermittent problem, avoid cycling power and read the code soon after the furnace acts up, before the history clears.
- The furnace is malfunctioning but only shows code 11 because the fault history was cleared by a power interruption or aged out past 72 hours
- You want an intermittent problem captured and diagnosed before the stored code erases itself
Frequently Asked Questions
Does code 11 mean something is wrong with my Payne PG80ESA?
No. Code 11 means 'no previous code' — the control simply has no stored faults in its recent history. Paired with a furnace that runs normally, it is a clean bill of health.
Why does my furnace show code 11 after a power outage even though it had a problem?
On the red-LED version of this board, stored codes are erased whenever 115VAC or 24VAC power is interrupted, and all stored codes clear automatically after 72 hours. A power loss can wipe the log, leaving code 11 even if a fault occurred earlier.
Sources
✓ Verified against manufacturer service manual — March 2026