Daikin RZQ125B7W1B [7/326] Error codes outdoor units

Daikin RZQ125B7W1B [7/326] Error codes outdoor units
ESIE05-03
Table of Contents v
3
4
5
1
3 Error Codes: Outdoor Units
3.1 What Is in This Chapter? ........................................................................ 3–57
3.2 Failure of Outdoor Unit PC Board ....................................................(E1) 3–58
3.3 Abnormal High Pressure (Detected by the HPS) .............................(E3) 3–59
3.4 Actuation of Low Pressure Sensor: RZQ71B8V3B ..........................(E4) 3–61
3.5 Actuation of Low Pressure Switch: RZQ100~140 ............................(E4) 3–63
3.6 Compressor Motor Lock ...................................................................(E5) 3–65
3.7 Malfunction of Outdoor Unit Fan Motor ............................................(E7) 3–67
3.8 Malfunction of Electronic Expansion Valve ......................................(E9) 3–69
3.9 Malfunctioning in Discharge Pipe Temperature ...............................(F3) 3–71
3.10 Malfunctioning HPS System ............................................................ (H3) 3–73
3.11 Abnormal Low Pressure Switch ...................................................... (H4) 3–74
3.12 Malfunction of Thermistor System .................................(H9, J3, J5, J6) 3–76
3.13 Malfunction of Suction Pipe Pressure Sensor ..................................(JC) 3–77
3.14 Radiation Fin Temperature Increased ............................................. (L4) 3–79
3.15 DC Output Overcurrent (Instantaneous) ..........................................(L5) 3–80
3.16 Electronic Thermal (Time Lag) .........................................................(L8) 3–82
3.17 Stall Prevention (Time Lag) .............................................................(L9) 3–84
3.18 Malfunction of Transmission system (Between Control PCB
and Inverter PCB) (LC) 3–86
3.19 Open Phase or Power Supply Voltage Imbalance........................... (P1) 3–88
3.20 Malfunction of Radiator Fin Temperature Thermistor ..................... (P4) 3–90
3.21 Failure of Capacity Setting .............................................................. (PJ) 3–91
3.22 Gas Shortage (Malfunction) ........................................................... (U0) 3–92
3.23 Abnormal Power Supply Voltage ................................................... (U2) 3–93
4 Error Codes: System Malfunctions
4.1 What Is in This Chapter? ........................................................................ 3–95
4.2 Malfunction of Transmission between Indoor and
Outdoor Unit .......................................................................... (U4 or UF) 3–96
4.3 Malfunction of Transmission between Indoor Unit and
Remote Controller ........................................................................... (U5) 3–98
4.4 Malfunction of Transmission between MAIN Remote Controller
and SUB Remote Controller (U8) 3–99
4.5 Malfunctioning Field Setting Switch ................................................(UA) 3–100
4.6 Centralized Address Setting Error ..................................................(UC) 3–102
5 Additional Checks for Troubleshooting
5.1 What Is in This Chapter? ........................................................................ 3–103
5.2 Outdoor unit: Checking the Installation Condition................................... 3–104
5.3 Outdoor Unit: Checking the Expansion Valve......................................... 3–105
5.4 Checking the Thermistors ....................................................................... 3–106
5.5 Resistance Conversion Table (Ambient, Coil, Fin) ................................. 3–107
5.6 R3T: Resistance Conversion Table (Discharge Pipe Sensor) ................ 3–108
5.7 Evaluation of Abnormal High Pressure................................................... 3–109
5.8 Evaluation of Abnormal Low Pressure.................................................... 3–110
5.9 Checks.................................................................................................... 3–111
ESIE05-03.book Page v Wednesday, April 6, 2005 4:09 PM

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