PMPD - Diagnostic Codes

York Gas Furnaces: PMPD

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)
1 Red Ignition Lockout
  • Bad glow plug
  • Dirty flame sensor 
  • Gas Supply
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 Limit switch open 
  • Bad limit
  • Low airflow
  • Over-Fired
5 Red Rollout switch open
  • Bad switch
  • Cracked heat exchanger
  • Bad inducer motor
  • Over-Fired

Article ID: 491
Last updated: 24 Jan, 2018
Revision: 1
Equipment -> Gas Furnaces -> York -> PDPD/PMPD -> PMPD - Diagnostic Codes
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