Daikin FDBG26NUV1 - User Manual

Pocket
Manual
Service Diagnosis
Si20 - 701_B

Summary

Symptom-based Troubleshooting

2.2 Equipment does not Operate

Details troubleshooting steps for scenarios where the equipment fails to operate.

2.3 Indoor Unit Fan Operates, but Compressor does not Operate

Troubleshooting steps for issues where only the indoor fan operates, but the compressor does not.

2.4 Cooling; Heating Operation Starts but Stops Immediately

Troubleshooting guide for units that start operation but stop shortly thereafter.

2.5 After Unit Shuts Down, It cannot be Restarted for a While

Troubleshooting for situations where the unit cannot be restarted immediately after shutdown.

2.6 Equipment Operates but does not Provide Cooling

Steps for diagnosing issues when the unit operates but fails to provide cooling.

2.7 Equipment Operates but does not Provide Heating

Troubleshooting for units that operate but do not provide heating.

Troubleshooting by Remote Controller

3.2 Error Codes and Description

Comprehensive list of error codes, their descriptions, and applicable models.

3.3 Detailed Error Codes

Provides detailed explanations and diagnostic steps for specific error codes.

3.4 A0 Error of External Protection Device

Troubleshooting for Error Code A0: External Protection Device actuation.

3.5 A1 Indoor Unit PCB Abnormality

Troubleshooting for Error Code A1: Indoor Unit PCB abnormality.

3.6 A3 Drain Water Level System Abnormality

Troubleshooting for Error Code A3: Drain Water Level System abnormality.

3.7 A6 Indoor Unit Fan Motor Abnormality

Troubleshooting for Error Code A6: Indoor Unit Fan Motor abnormality.

3.8 A6 Fan Motor (M1 F) Lock, Overload

Troubleshooting for Error Code A6: Fan Motor lock or overload.

3.10 A8 Abnormal Power Supply Voltage

Troubleshooting for Error Code A8: Abnormal Power Supply Voltage.

3.11 A9 Electronic Expansion Valve Coil (Y1 E) Abnormality

Troubleshooting for Error Code A9: Electronic Expansion Valve Coil (Y1E) abnormality.

3.12 AF Drain System Abnormality

Troubleshooting for Error Code AF: Drain System abnormality.

3.13 AF Drain Level above Limit

Troubleshooting for Error Code AF: Drain Level above Limit.

3.14 AJ Capacity Setting Abnormality

Troubleshooting for Error Code AJ: Capacity Setting Abnormality.

3.15 C1 Transmission Error (between Indoor Unit PCB and Fan PCB)

Troubleshooting for Error Code C1: Transmission error between Indoor Unit PCB and Fan PCB.

3.16 C1 Transmission Error (between Indoor Unit PCB and Adaptor PCB)

Troubleshooting for Error Code C1: Transmission error between Indoor Unit PCB and Adaptor PCB.

3.17 C4, C5, C9 Thermistor Abnormality

Troubleshooting for Error Codes C4, C5, C9: Thermistor Abnormality.

3.18 C6 Defective Combination (between Indoor Unit PCB and Fan PCB)

Troubleshooting for Error Code C6: Defective combination between Indoor Unit PCB and Fan PCB.

3.21 E0 Actuation of Safety Device

Troubleshooting for Error Code E0: Actuation of Safety Device.

3.22 E0 Activation of Outdoor Unit Protection Device

Troubleshooting for Error Code E0: Activation of Outdoor Unit Protection Device.

3.23 E1 Outdoor Unit PCB Abnormality

Troubleshooting for Error Code E1: Outdoor Unit PCB Abnormality.

3.24 E3 High Pressure System Abnormality

Troubleshooting for Error Code E3: High Pressure System Abnormality.

3.25 E3 Abnormally High Pressure Level (HPS)

Troubleshooting for Error Code E3: Abnormally High Pressure Level (HPS).

3.26 E3 High Pressure Abnormality (HPS)

Troubleshooting for Error Code E3: High Pressure Abnormality (HPS).

3.27 E3 Actuation of High Pressure Switch

Troubleshooting for Error Code E3: Actuation of High Pressure Switch.

3.28 E4 Low Pressure System Abnormality

Troubleshooting for Error Code E4: Low Pressure System Abnormality.

3.29 E4 Actuation of Pressure Sensor

Troubleshooting for Error Code E4: Actuation of Pressure Sensor.

3.30 E4 Low Pressure Sensor System Abnormality

Troubleshooting for Error Code E4: Low Pressure Sensor System Abnormality.

3.31 E4 Low Pressure System Abnormality

Troubleshooting for Error Code E4: Low Pressure System Abnormality.

3.32 E5 Compressor Motor Lock

Troubleshooting for Error Code E5: Compressor Motor Lock.

3.33 E6 Compressor Overcurrent

Troubleshooting for Error Code E6: Compressor Overcurrent.

3.34 E7 Outdoor Unit Fan Motor Abnormality

Troubleshooting for Error Code E7: Outdoor Unit Fan Motor Abnormality.

3.35 E9 Electronic Expansion Valve Abnormality

Troubleshooting for Error Code E9: Electronic Expansion Valve Abnormality.

3.36 E9 Electronic Expansion Valve Coil Abnormality

Troubleshooting for Error Code E9: Electronic Expansion Valve Coil Abnormality.

3.37 F3 Discharge Pipe Temperature Abnormality

3.38 F3 Discharge Pipe Temperature Control

3.39 F6 Abnormal Heat Exchanging Temperature

3.40 F6 Refrigerant Overcharged

3.41 H3 High Pressure Switch Abnormality

3.42 H3 High Pressure Switch System Abnormality

3.43 H4 Low Pressure Sensor System Abnormality

3.44 H7 Outdoor Unit Fan Motor Signal Abnormality

3.45 H9, J3, J5, J6, J7, J8 Thermistor System Abnormality

3.46 H9 Outdoor Air Thermistor System Abnormality

3.47 J1 Pressure Sensor Abnormality

3.48 J2 Current Sensor System Abnormality

3.49 J3 Discharge Pipe Thermistor System Abnormality

3.50 J5 Suction Pipe Thermistor Abnormality

3.51 J6 Heat Exchanger Thermistor System Abnormality

3.52 J7 Liquid Pipe Thermistor Abnormality

3.53 J9 Subcooling Heat Exchanger Gas Pipe Thermistor Abnormality

3.54 JA High Pressure Sensor Abnormality

3.55 JC Suction Pipe Pressure Sensor Abnormality

3.56 L1 Outdoor Unit PCB Abnormality

3.57 L1 Outdoor Inverter PCB Abnormality

3.58 L1 Outdoor Unit PCB Abnormality

3.59 L4 Overcurrent of DC Output (Instantaneous)

3.60 L4 Radiation Fin Temperature Rise

3.61 L5 Overcurrent of DC Output (Instantaneous)

3.62 L5 Momentary Overcurrent of Inverter Compressor

3.63 L5 Output Overcurrent Detection

3.64 L5 Inverter Compressor Abnormality

3.65 L5 Output Overcurrent Detection

3.66 (L8) Electronic Thermal Switch (Time Lag)

3.67 L8 Inverter Current Abnormality

3.68 L8 Inverter Compressor Overcurrent

3.69 L8 Electronic Thermal (Time Lag)

3.70 L9 Stall Prevention (Time Lag)

3.71 L9 Inverter Startup Error

3.72 LC Transmission Error Between Inverter and Control PCB

3.73 LC Transmission Error (between Control PCB and Inverter PCB)

3.74 P1 Inverter Over-Ripple Protection

3.75 P1 Open Phase or Power Supply Voltage Imbalance

3.76 P4 Radiation Fin Thermistor Abnormality

3.77 P4 Radiation Fin Thermistor or Related Abnormality

3.78 PJ Defective Capacity Setting

3.79 PJ Error in Capacity Setting

3.80 PJ Field Setting Error after Replacing Main PCB or Defective Combination of PCB

3.81 PJ Defective Combination of Inverter and Fan Driver

3.82 PJ Defective Capacity Setting

3.83 U0 Refrigerant Shortage

3.84 U0 Low Pressure Drop Due to Refrigerant Shortage or Electronic Expansion Valve Failure

3.85 U0 Refrigerant Shortage

3.86 U1 Reverse Phase

3.87 U2 Insufficient Voltage

3.88 U2 Power Supply Voltage Abnormality

3.89 U2 Power Supply Insufficient or Instantaneous Failure

3.90 U2 Power Supply Voltage Abnormality

3.91 U3 Check Operation is not Executed

3.92 U4 or UF Transmission Error (Between Indoor Unit and Outdoor Unit)

3.93 U4 Transmission Error Between Indoor Unit and Outdoor Unit

3.94 U5 Transmission Error Between Indoor Unit and Remote Controller

3.95 U7 Transmission Error Between Outdoor Units

3.96 U8 Transmission Error Between Main Remote Controller and Sub Remote Controller

3.97 U9 Transmission Error Between Indoor and Outdoor Units in the Same System

3.98 UA Defective Field Setting Switch

3.99 UA Improper Combination of Indoor and Outdoor Units, Indoor Units and Remote Controller

3.100 UA Field Setting Switch Abnormality

3.101 UA Field Setting Switch and Transmission Line Abnormality

3.102 UC Centralized Address Setting Error

3.104 UE Transmission Error between Centralized Controller and Indoor Unit

3.105 UF Mis-connection of Field Wiring

3.107 UF Transmission Error between Indoor and Outdoor Unit; Piping and Wiring Mismatch; Refrigerant Shortage

3.108 UF Transmission System Abnormality (between Indoor and Outdoor Units)

3.109 UH System Error, Refrigerant System Address Undefined

Daikin FDBG26NUV1 Specifications

General

Brand	Daikin
Model	FDBG26NUV1
Category	Air Conditioner
Language	English