Knowledgebase
DNH/DNQ/DNP Fault Codes
York Package Units: DNH/DNQ/DNP Re: Lockout Codes While in lockout, the control board keeps the pilot gas valve, main gas valve and induced draft motor de-energized. Lockouts due to failed ignition or flame losses may be reset by removing the call for heat (W1) for more than 1 second, but...
28 Feb, 2020 Comments: 0
DNQ - Flashing Code 2
Package Unit: DNQ Re: Code 2 There are 2 control boards on this unit, a CFM Selector Board (CFMCB) which controls the variable speed blower motor and an Ignition Control Board (ICB). The ICB controls the inducer fan, spark ignition and gas valve. ► All heating diagnostics will be displayed...
30 Jan, 2023 Comments: 0
DNQ - Won't Ignite / Code 5
Package Unit: DNQ Re: Won't Ignite / Code 5 The sparker ignites the pilot but never senses flame to energize the main gas valve, and the control board shows no fault codes. The DNQ package unit has two control boards, an Ignition Control Board (ICB) and a CFM Control Board (CFMCB). The...
30 Jan, 2023 Comments: 0
DNH/DNQ - Flashing Code 9
Package Unit: DNH / DNQ Re: Code 9 There are 2 control boards on this unit, a CFM Selector Board (CFMCB) which controls the variable speed blower motor and an Ignition Control Board (ICB). The ICB controls the inducer fan, spark ignition and gas valve. All heating diagnostics will be...
30 Jan, 2023 Comments: 0
DNQ - V/S Motor Not Running - Cooling
York Package Unit: DNQ Re: Variable Speed Blower Not Running - Cooling The unit is calling for either Fan or Cooling, but the indoor blower is not operating. Qty Possible Causes: 4 Bad Blower Motor/Controller Bad ECM Control Board Tripped Breaker ...
25 Oct, 2024 Comments: 0
DNQ - V/S Motor Not Running - Heating
York Package Unit: DNQ Re: Variable Speed Blower Not Running - Heating The unit is calling for either Heating, but the indoor blower is not operating. Qty Possible Causes: 4 Bad Blower Motor/Controller Bad ECM Control Board Tripped Breaker Bad/Burnt...
25 Oct, 2024 Comments: 0
Troubleshooting V/S Blower Motor
York Package Unit: DNQ Re: Troubleshooting Variable Speed Blower Motor These package units use a 16-Pin Variable Speed Motor Control Module. Pin Designation 1 24V Common 2 W1 3 24V Common 4 DELAY Setting 5 COOL Setting 6 Y/Y1 7...
25 Oct, 2024 Comments: 0