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Carrier vrf
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Carrier vrf All models error codes
Codes
SP1
Error code
High pressure protection
ST1
Error code
4 way valve used to switch between heating and cooling
SV5
Error code
1.) High-pressure-rise prevention 2.) Prevent the bottom of heat exchangers being frozen in heating mode
SV7
Error code
T5
Error code
Liquid temp at liquid service valve
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