Chiltrix CX34 - Page 55

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9.3 CX34 Error Codes, Error Meaning, and Reason
Error code
Error Meaning
Reason
E1
Compressor discharge high temp
protection
Poor refrigerant or throttle is not normal
(stop compressor)
E2
Outdoor air temp sensor error
Outdoor air temp sensor open or short circuit (stop
compressor)
E3
Outer coil pipe temp sensor error
Outdoor coil pipe temp sensor open or short circuit
(stop compressor)
E4
Pipe returned gas sensor error
Outdoor coil pipe temp sensor open or short circuit
(stop compressor)
E5
indoor refrigerant pipe temp sensor error
Indoor pipe temp sensor open or short circuit (stop
compressor)
E6
Coil high temp protection
Outdoor coil pipe temp over 60
℃ (stop
compressor)
E7
solar water temp sensor error
solar temp sensor open or short circuit
(stop compressor)
E8
AC inlet water temp sensor error
AC return water temp sensor open or short circuit
(stop compressor)
E9
AC outlet water temp sensor error
AC outlet water temp sensor open or short circuit
(stop compressor)
E10
DHW temp sensor error
DHW temp sensor open or short circuit
(stop compressor)
E11
Indoor ambient sensor error
Indoor ambient sensor open or short circuit (stop
compressor)
E12
water source inlet water temp sensor
error
water source inlet temp sensor open or short circuit
E13
water source outlet temp sensor
water source outlet temp sensor open or short
circuit
E14
system anti
-freeze twice
(stop compressor)
E15
DHW anti
-freeze twice
(stop compressor)
E16
discharge Probe error
Poor outdoor unit heat transfer
E17
System 2 antifreeze twice
(stop compressor)
P1 high pressure protection
(1) too much refrigerant; (2) throttle mechanism
failure; (3) high voltage switch failure
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