NORTHFLO PSNF50 Manuel D'installation Et D'utilisation page 15

Failure code
E 1
E 2
E 3
E 4
P 1
P 2
P 3
P 4
P 5
E 6
P 7
"HEAT" flashing
High pressure protection
Low pressure protection
Low water pressure protection
3 phase sequence protection (Only for 3phase models)
Pool water temp sensor failure
Exhaust temp sensor failure
Heating coil pipe temp sensor failure
Gas return temp sensor failure
Air temp sensor failure
B.Cool and Heat type: Cooling coil pipe temp sensor failure
Compressor exhaust overload protection (>110℃)
When the temperature<+32℉, auto stop protection（not Failure）
Defrosting (not failure)
Imported by:
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