Error Codes And Corresponding Measures - Daikin SkyAir RZR-TA Series Service Manual

SiUS281811EA
3.4

Error Codes and Corresponding Measures

Please check the remote controller connected to the indoor unit for verification.
Primary
Part 5 Field Settings and Test Operation
Error code
Sub
code code
High pressure switch activated (S1PH)
01
• Too much refrigerant charged
02 • Stop valve closed
E3
13 Stop valve closed (liquid).
• Too much refrigerant charged
18 • Stop valve closed
Defective low pressure:
• Stop valve closed
• Refrigerant undercharged
E4 01
• Defective indoor unit
Defective electronic expansion valve
01
(Subcooling) (30/36/42/48 class: Y3E)
E9
Defective electronic expansion valve (Main)
04
(Y1E)
Discharge pipe temperature too high:
F3 01 • Stop valve closed
• Refrigerant undercharged
• Too much refrigerant charged
F6 02 • Stop valve closed
Defective outdoor air thermistor (R1T)
H9 01
Defective discharge pipe thermistor (R2T):
16
Tripping
J3
Defective discharge pipe thermistor (R2T):
17
Short circuit
Defective suction pipe thermistor (R3T and
J5 01
R5T): Tripping
Defective outdoor heat exchanger deicer
J6 01
thermistor (R4T)
Defective heat exchanger liquid pipe
J7 01
thermistor (R7T)
Defective subcooling heat exchanger gas pipe
J9 01
thermistor (R6T: 30/36/42/48 class only)
Defective high pressure sensor (S1NPH):
06
Tripping
JA
Defective high pressure sensor (S1NPH):
07
Short circuit
Defective low pressure sensor (S1NPL):
06
Tripping
JC
Defective low pressure sensor (S1NPL): Short
07
circuit
Inverter unbalanced power supply voltage
P1 01
Inverter insufficient voltage
01
U2
Inverter power supply phase missing
02
System test operation not yet executed (Test
U3 03
operation cannot be executed.)
Description
Test Operation
Solution
Check the stop valve or (field) piping
abnormality or the airflow on the air
cooling heat exchanger.
• Check the amount of refrigerant and
recharge the unit.
• Open the stop valve.
Open the liquid stop valve.
• Check the amount of refrigerant and
recharge the unit.
• Open the stop valve.
• 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.
Check the connection of the PCB or
the actuator.
Check the connection of the PCB or
the actuator.
• Open the stop valve.
• Check the amount of refrigerant and
recharge the unit.
• Open the stop valve.
• Check the amount of refrigerant and
recharge the unit.
Check the connection of the PCB or
the actuator.
Check the connection of the PCB or
the actuator.
Check the connection of the PCB or
the actuator.
Check the connection of the PCB or
the actuator.
Check the connection of the PCB or
the actuator.
Check the connection of the PCB or
the actuator.
Check the connection of the PCB or
the actuator.
Check the connection of the PCB or
the actuator.
Check the connection of the PCB or
the actuator.
Check the connection of the PCB or
the actuator.
Check the connection of the PCB or
the actuator.
Check if the power supply meets the
specifications.
Check if the power supply meets the
specifications.
Check if the power supply meets the
specifications.
Execute system test operation.
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