PUR - Diagnostic/Fault Codes

York Gas Furnaces: P3URC

Re: Diagnostic/Lockout Codes

This York gas furnaces has a control board inside the furnace blower compartment that will flash a diagnostic code that shows the operating status of the furnace.

Diagnostic Codes:
Steady On Red Control failure
  • Replace control board (S9200U is a suitable replacement)
Rapid Red Low flame signal
  • Dirty flame sensor
1 Red Ignition lockout
  • Bad glow plug
  • Dirty flame sensor 
  • Gas supply issue
2 Red Pressure switch stuck closed
  • Bad pressure switch
  • Inducer fan relay stuck on
3 Red Pressure switch stuck open
  • Bad pressure switch
  • Bad inducer fan
  • Bad inducer fan relay
  • Blocked or restricted vent
  • Condensate drainage issue
4 Red Aux or Spill Limit Open
  • Bad limit
  • Low airflow
  • Over-Fired
5 Red Rollout switch open / open fuse
  • Bad switch
  • Cracked heat exchanger
  • Bad inducer motor
  • Over-Fired
6 Red* Pressure switch opened 4 times
  • Bad pressure switch
  • Bad inducer fan
  • Blocked or restricted vent
  • Condensate drain issue
7 Red* Ignition lockout due to 3 retries
  • Bad igniter
  • Dirty flame sensor
  • No gas flow
8 Red Flame signal lost 5 times
  • Dirty flame sensor
  • Combustion air problem
9 Red Grounding or line polarity fault
  • Try reversing transformer power
11 Red No or improper ground

* Code 6 & 7 will auto reset after 1 hour.

Article ID: 492
Last updated: 14 Feb, 2018
Revision: 3
Equipment -> Gas Furnaces -> York -> P3UR / P3DH -> PUR - Diagnostic/Fault Codes
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