
SiUS281811EA
Test Operation
Part 5 Field Settings and Test Operation
191
3.4 Error Codes and Corresponding Measures
Please check the remote controller connected to the indoor unit for verification.
Error code
Description
Solution
Primary
code
Sub
code
E3
01
High pressure switch activated (S1PH)
Check the stop valve or (field) piping
abnormality or the airflow on the air
cooling heat exchanger.
02
• Too much refrigerant charged
• Stop valve closed
• Check the amount of refrigerant and
recharge the unit.
• Open the stop valve.
13
Stop valve closed (liquid).
Open the liquid stop valve.
18
• Too much refrigerant charged
• Stop valve closed
• Check the amount of refrigerant and
recharge the unit.
• Open the stop valve.
E4
01
Defective low pressure:
• Stop valve closed
• Refrigerant undercharged
• Defective indoor unit
• Open the stop valve.
• Check the amount of refrigerant and
recharge the unit.
• Check the user interface display.
• Check the transmission wiring
between the indoor and outdoor units.
E9
01
Defective electronic expansion valve
(Subcooling) (30/36/42/48 class: Y3E)
Check the connection of the PCB or
the actuator.
04
Defective electronic expansion valve (Main)
(Y1E)
Check the connection of the PCB or
the actuator.
F3
01
Discharge pipe temperature too high:
• Stop valve closed
• Refrigerant undercharged
• Open the stop valve.
• Check the amount of refrigerant and
recharge the unit.
F6
02
• Too much refrigerant charged
• Stop valve closed
• Open the stop valve.
• Check the amount of refrigerant and
recharge the unit.
H9
01
Defective outdoor air thermistor (R1T)
Check the connection of the PCB or
the actuator.
J3
16
Defective discharge pipe thermistor (R2T):
Tripping
Check the connection of the PCB or
the actuator.
17
Defective discharge pipe thermistor (R2T):
Short circuit
Check the connection of the PCB or
the actuator.
J5
01
Defective suction pipe thermistor (R3T and
R5T): Tripping
Check the connection of the PCB or
the actuator.
J6
01
Defective outdoor heat exchanger deicer
thermistor (R4T)
Check the connection of the PCB or
the actuator.
J7
01
Defective heat exchanger liquid pipe
thermistor (R7T)
Check the connection of the PCB or
the actuator.
J9
01
Defective subcooling heat exchanger gas pipe
thermistor (R6T: 30/36/42/48 class only)
Check the connection of the PCB or
the actuator.
JA
06
Defective high pressure sensor (S1NPH):
Tripping
Check the connection of the PCB or
the actuator.
07
Defective high pressure sensor (S1NPH):
Short circuit
Check the connection of the PCB or
the actuator.
JC
06
Defective low pressure sensor (S1NPL):
Tripping
Check the connection of the PCB or
the actuator.
07
Defective low pressure sensor (S1NPL): Short
circuit
Check the connection of the PCB or
the actuator.
P1
01
Inverter unbalanced power supply voltage
Check if the power supply meets the
specifications.
U2
01
Inverter insufficient voltage
Check if the power supply meets the
specifications.
02
Inverter power supply phase missing
Check if the power supply meets the
specifications.
U3
03
System test operation not yet executed (Test
operation cannot be executed.)
Execute system test operation.
Содержание SkyAir RZR-TA Series
Страница 1: ...Service Manual Cooling Only 60 Hz Heat Pump 60 Hz RZR TA RZQ TA Series SiUS281811EA...
Страница 202: ...SiUS281811EA 196 Part 6 Service Diagnosis 5 15 Fan Motor Connector Check for FTQ TA 311...
Страница 321: ...SiUS281811EA 315 Part 7 Appendix 1 Wiring Diagrams 316 1 1 Outdoor Unit 316 1 2 Indoor Unit 320 Part 7 Appendix...
Страница 322: ...Wiring Diagrams SiUS281811EA 316 Part 7 Appendix 1 Wiring Diagrams 1 1 Outdoor Unit RZR18 24TAVJU RZQ18 24TAVJU 3D115455...
Страница 323: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 317 RZR18 24TAVJUA RZQ18 24TAVJUA 3D124495...
Страница 324: ...Wiring Diagrams SiUS281811EA 318 Part 7 Appendix RZR30 36 42 48TAVJU RZQ30 36 42 48TAVJU 3D115456...
Страница 325: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 319 RZR30 36 42 48TAVJUA RZQ30 36 42 48TAVJUA 3D124500...
Страница 326: ...Wiring Diagrams SiUS281811EA 320 Part 7 Appendix 1 2 Indoor Unit FCQ18 24 30 36 42 48TAVJU 3D115647A...
Страница 327: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 321 FHQ18 24 30PVJU FHQ36 42MVJU 3D048116C...
Страница 328: ...Wiring Diagrams SiUS281811EA 322 Part 7 Appendix FAQ18 24TAVJU 3D114844B...
Страница 329: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 323 FBQ18 24 30 36 42 48PVJU 3D065984J...