Protect/Failure
Wire Controller
Protect-300 LED Code
System 1
Low pressure protection
System 1
High pressure protection
System 1
Over current protection
System 1
Refrigerant anti-freeze
protection
System 1
Exhaust gas over-high
temp. protection
System 1
Refrigerant leakage
protection
System 1
Exhaust gas temp.
sensor failure
System 2
Low pressure protection
System 2
High pressure protection
System 2
Over current protection
System 2
Refrigerant anti-freeze
protection
System 2
Exhaust gas over-high
temp. protection
System 2
Refrigerant leakage
protection
System 2
Exhaust gas temp.
sensor failure
Wrong phase
or lack of phase
System 1
Refrigerant in temp.
sensor failure
System 1
Refrigerant out temp.
sensor failure
System 2
Refrigerant in temp.
sensor failure
System 2
Refrigerant out temp.
sensor failure
EE01
EE04
EE01
EE01
EE01
EE01
EE01
EE01
EE01
EE01
EE02
EE02
EE02
EE02
EE02
EE02
EE02
EE02
EE02
SWIMMING POOL HEAT PUMP
SWIMMING POOL HEAT PUMP
7.5 Overview of protect-300 failure code (3 phase unit)
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