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PHE Fault Code / Diagnostic Codes

Article ID: 670
Last updated: 7 Jan, 2021

York Package Units: PHE

Re: Fault Codes / Diagnostic Codes


Red Light Status Description
Off No Power to Control
On Compressor Operation Active
Slow Flash Normal - No Compressor
Fast Flash Anti Short Cycle Delay
2 Hi Pressure Fault (Not in Lockout Yet)
3 Hi Pressure Lockout (Last mode heat or cool)
4 Hi Pressure Lockout (Last mode defrost)
5 Low Pressure Lockout
6 Low Voltage (<19.2 VAC)
7 Low Voltage (<16 VAC)
8 Liquid Line Sensor Failure
9 Outdoor Sensor Failure
10 Control Failure

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Article ID: 670
Last updated: 7 Jan, 2021
Revision: 1
Access: Public
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