Daikin R100FUVAL - User Manual

Pocket
Manual
Service Diagnosis
Si20 - 701_B

Summary

Pocket Manual

Service Diagnosis

Provides guidance for diagnosing service issues with the equipment.

2. Symptom-based Troubleshooting

2.2 Equipment does not Operate

Details troubleshooting steps when the equipment fails to operate.

2.3 Indoor Unit Fan Operates, but Compressor does not Operate

Addresses issues where the indoor fan runs but the compressor does not.

2.4 Cooling; Heating Operation Starts but Stops Immediately

Troubleshoots cooling or heating cycles that start and stop abruptly.

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

Guides on diagnosing issues when the unit cannot be restarted shortly after shutdown.

2.6 Equipment Operates but does not Provide Cooling

Details troubleshooting steps when cooling output is insufficient despite operation.

2.7 Equipment Operates but does not Provide Heating

Guides on diagnosing issues when heating output is insufficient despite operation.

2.9 Equipment Produces Loud Noise or Vibration

Addresses troubleshooting for abnormal noise or vibration from the equipment.

3. Troubleshooting by Remote Controller

3.1 Procedure of Self-diagnosis by Remote Controller

Outlines the steps for performing self-diagnosis using the remote controller.

3.2 Error Codes and Description

Lists and explains various error codes and their meanings.

3.3 Detailed Error Codes

Provides in-depth explanations and diagnostic information for specific error codes.

1. List of Applicable Models

3.4 A0 Error of External Protection Device

Troubleshoots error code A0 related to external protection devices.

3.5 A1 Indoor Unit PCB Abnormality

Addresses error code A1 concerning abnormalities in the indoor unit PCB.

3.6 A3 Drain Water Level System Abnormality

Troubleshoots error code A3 related to drain water level system abnormalities.

3.7 A6 Indoor Unit Fan Motor Abnormality

Details troubleshooting for error code A6 concerning indoor unit fan motor abnormalities.

3.8 A6 Fan Motor (M1 F) Lock, Overload

Troubleshoots error code A6 related to fan motor lock or overload conditions.

3.9 A7 Swing Flap Motor Abnormality; Lock

Details troubleshooting for error code A7 concerning swing flap motor abnormalities or lock.

3.10 A8 Abnormal Power Supply Voltage

Addresses error code A8 related to abnormal power supply voltage.

3.11 A9 Electronic Expansion Valve Coil (Y1 E) Abnormality

Troubleshoots error code A9 concerning electronic expansion valve coil abnormalities.

3.12 AF Drain System Abnormality

Details troubleshooting for error code AF related to drain system abnormalities.

3.13 AF Drain Level above Limit

Troubleshoots error code AF concerning drain level exceeding the limit.

3.14 AJ Capacity Setting Abnormality

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

Troubleshoots error code C1 concerning transmission errors between indoor unit PCB and fan PCB.

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

Addresses error code C1 concerning transmission errors between indoor unit PCB and adaptor PCB.

3.17 C4, C5, C9 Thermistor Abnormality

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

3.19 CC Humidity Sensor System Abnormality

3.20 CJ Remote Controller Thermistor Abnormality

3.21 E0 Actuation of Safety Device

Addresses error code E0 related to the actuation of safety devices.

3.23 E1 Outdoor Unit PCB Abnormality

Troubleshoots error code E1 concerning outdoor unit PCB abnormalities.

3.24 E3 High Pressure System Abnormality

Details troubleshooting for error code E3 concerning high pressure system abnormalities.

3.25 E3 Abnormally High Pressure Level (HPS)

3.26 E3 High Pressure Abnormality (HPS)

3.27 E3 Actuation of High Pressure Switch

Details troubleshooting for error code E3 related to the actuation of high pressure switches.

3.28 E4 Low Pressure System Abnormality

Troubleshoots error code E4 concerning low pressure system abnormalities.

3.29 E4 Actuation of Pressure Sensor

3.30 E4 Actuation of Low Pressure Sensor

3.32 E5 Compressor Motor Lock

Details troubleshooting for error code E5 related to compressor motor lock.

3.33 E6 Compressor Overcurrent

Troubleshoots error code E6 concerning compressor overcurrent.

3.34 E7 Outdoor Unit Fan Motor Abnormality

Details troubleshooting for error code E7 related to outdoor unit fan motor abnormalities.

3.35 E9 Electronic Expansion Valve Abnormality

Troubleshoots error code E9 concerning electronic expansion valve abnormalities.

3.36 E9 Electronic Expansion Valve Coil Abnormality

Addresses error code E9 related to electronic expansion valve coil abnormalities.

3.37 F3 Discharge Pipe Temperature Abnormality

Details troubleshooting for error code F3 concerning discharge pipe temperature abnormalities.

3.38 F3 Discharge Pipe Temperature Control

Troubleshoots error code F3 related to discharge pipe temperature control.

3.39 F6 Abnormal Heat Exchanging Temperature

3.41 H3 High Pressure Switch Abnormality

Details troubleshooting for error code H3 related to high pressure switch abnormalities.

3.42 H3 High Pressure Switch System Abnormality

Troubleshoots error code H3 concerning high pressure switch system abnormalities.

3.43 H4 Low Pressure Sensor System Abnormality

Details troubleshooting for error code H4 concerning low pressure sensor system abnormalities.

3.44 H7 Outdoor Unit Fan Motor Signal Abnormality

Troubleshoots error code H7 related to outdoor unit fan motor signal abnormalities.

3.45 H9, J3, J5, J6, J7, J8 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

Addresses error code L1 concerning outdoor unit PCB abnormalities.

3.57 L1 Outdoor Inverter PCB Abnormality

Troubleshoots error code L1 concerning outdoor inverter PCB abnormalities.

3.59 L4 Overcurrent of DC Output (Instantaneous)

Troubleshoots error code L4 related to instantaneous overcurrent of DC output.

3.60 L4 Radiation Fin Temperature Rise

3.62 L5 Momentary Overcurrent of Inverter Compressor

Troubleshoots error code L5 concerning momentary overcurrent of the inverter compressor.

3.63 L5 Output Overcurrent Detection

Details troubleshooting for error code L5 related to output overcurrent detection.

3.64 L5 Inverter Compressor Abnormality

Troubleshoots error code L5 concerning inverter compressor abnormalities.

3.66 (L8) Electronic Thermal Switch (Time Lag)

3.67 L8 Inverter Current Abnormality

Troubleshoots error code L8 concerning inverter current abnormalities.

3.68 L8 Inverter Compressor Overcurrent

Addresses error code L8 concerning inverter compressor overcurrent.

3.69 L8 Electronic Thermal (Time Lag)

3.70 L9 Stall Prevention (Time Lag)

Troubleshoots error code L9 concerning stall prevention (time lag).

3.71 L9 Inverter Startup Error

Details troubleshooting for error code L9 concerning inverter startup errors.

3.72 LC Transmission Error Between Inverter and Control PCB

Troubleshoots error code LC concerning transmission errors between inverter and control PCB.

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

Addresses error code LC concerning transmission errors 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

3.78 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

Troubleshoots error code U0 related to refrigerant shortage.

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

Details troubleshooting for error code U0 related to low pressure drop from refrigerant shortage or EEV failure.

3.85 U0 Refrigerant Shortage

Troubleshoots error code U0 related to refrigerant shortage.

3.86 U1 Reverse Phase

Details troubleshooting for error code U1 concerning reverse phase.

3.87 U2 Insufficient Voltage

Troubleshoots error code U2 concerning insufficient voltage.

3.88 U2 Power Supply Voltage Abnormality

Addresses error code U2 concerning power supply voltage abnormalities.

3.89 U2 Power Supply Insufficient or Instantaneous Failure

3.90 U2 Power Supply Voltage Abnormality

Troubleshoots error code U2 concerning power supply voltage abnormalities.

3.91 U3 Check Operation is not Executed

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

Troubleshoots error codes U4 or UF concerning transmission errors between indoor and outdoor units.

3.93 U4 Transmission Error Between Indoor Unit and Outdoor Unit

Details troubleshooting for error code U4 concerning transmission errors between indoor unit and outdoor unit.

3.94 U5 Transmission Error Between Indoor Unit and Remote Controller

Troubleshoots error code U5 concerning transmission errors 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

Troubleshoots error code U8 concerning transmission errors between main remote and sub remote controllers.

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

3.103 UC Address Duplication of Centralized Controller

3.104 UE Transmission Error between Centralized Controller and Indoor Unit

Details troubleshooting for error code UE concerning transmission errors 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

Details troubleshooting for error code UF related to transmission, piping, or refrigerant issues.

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

3.109 UH System Error, Refrigerant System Address Undefined

Daikin R100FUVAL Specifications

General

Brand	Daikin
Model	R100FUVAL
Category	Air Conditioner
Language	English