EN - 6SAFETY PRECAUTIONSCAUTION%HVXUHWRLQVWDOOWKHRXWGRRUXQLWZKHUHWKHUHLVQRYRODWLOHRULQÀDPPDEOHPDWHULDOAscertain there is noRFFXUUHQFHLQÀX[RUFROOHFWLRQRILQÀDPPDEOHRUYRODWLOHJDVHVin the area surrounding theplace you install your outdoorunit. If you do not do this, it mayFDXVHD¿UH&KHFNWKHFRQGLWLRQRIJURXQGLQJZRUNDo not connect the ground wireto any gas pipes, water pipes,lightening rods or telephoneground wires. If the groundwire is faulty, it may result in anelectrical shock.:DWHUSLSHSome parts are made of plastic andare no good for earthing.*DVSLSHThere is a danger of ignition and explosion.7KHWHOHSKRQHHDUWKDOLJKWQLQJURGWhen struck by lightning, there is a great danger of amassive power surge.GroundingwireDanger!Do not use this appliancein a potentially explosiveatmosphere.&KHFN\RXKDYHDQHDUWKOHDNDJHFLUFXLWEUHDNHULQSODFHAn earth leakage circuit breakeris required by law. Failure toinstall one may result in electricVKRFNRU¿UH&KHFNWKDW\RXKDYHDUDWHGSRZHUVXSSO\DQGFKHFNWKHFDSDFLW\RIWKHFLUFXLWEUHDNHUIt could lead to damage to theHTXLSPHQWRUFDXVHD¿UH&RQ¿UPWKHSRZHUVXSSO\DQGbreaker capacity.2QO\XVHDIXVHRIWKHFRUUHFWFDSDFLW\Using wire and the like insteadof the correct fuse could lead toDQHOHFWULFVKRFNDQG¿UH%HVXUHWRLQVWDOOWKHGUDLQSLSHRILQGRRUXQLWZLWKVDPHJUDGLHQWWRGUDLQRXWSURSHUO\A water leakage could causedamage to your furniture andother property.PRECAUTIONS DURING USEWARNING0DNHVXUHWKDWWKHH[KDXVWJDVHVIURPWKHRXWGRRUXQLWGRQRWVHHSLQVLGHIf exhaust gases get insidethe room, it could cause gaspoisoning.'RQRWRSHUDWHWKHHTXLSPHQWZLWKZHWKDQGVIt could cause an electric shockor damage the equipment.'RQRWSXW\RXUKDQGRUIRUHLJQREMHFWVLQWKHRXWOHWRULQOHWRIERWKLQGRRUDQGoutdoor units.A high speed fan is rotatinginside and could cause injury.'RQRWEORFNWKHLQWDNHGLVFKDUJHRUWKHGUDLQRIWKHRXWGRRUXQLWIt may lead to incompleteFRPEXVWLRQDQGFDXVHD¿UHRUgas poisoning.

Characteristics and requests

Periodical inspection

Precautions during use

safety precautions

Relocation/repair

Things you should know

Markings for directive 2014/68/EU (PED)

Panasonic 2WAY Multi Series Instruction Manual

2WAY Multi Series

troubleshooting

applicable models

Symptoms that are not malfunctions

Before troubleshooting (W MULTI series)

About backup operation during maintenance work

Malfunctions and Displays

Remote Controller alarm display

Error Display and Troubleshooting

Troubleshooting

A02 Engine Oil Error

A03 Engine High-Revolution Error

A04 Engine Low-Revolution Error

A05 Ignition Source Error

Outdoor Unit Electrical Wiring Diagram

A06 Engine Start Failure

A07 Fuel Gas Valve Error

A08 Engine Stall

A10 Exhaust Gas Temperature High

A14 Engine Oil Pressure Switch Error

A15 Starter Power Source Output Short Circuit

A16 Starter Lock

A17 CT Error (Starter Current Detection Failure)

A19 Low Coolant Temperature

A20 High Coolant Temperature

A21 Coolant Level Error

A22 Coolant Pump Error

A23 Crankshaft Angle Sensor Error

A25 Clutch Error

A26 Flameout Error

A27 Catalyst Temperature Error (for only models with catalyst option)

A28 Generator Error (for only High Power Multi)

A29 Converter Error (for only High Power Multi)

E01 Remote Controller Receive Failure

E02 Remote Controller Transmission Failure

E03 Indoor Unit Receive Failure from Remote Controller (Central)

E04 Indoor Unit Receive Failure from Outdoor Unit

E05 Indoor Unit Transmission Failure to Outdoor Unit

E06 Outdoor Unit Receive Failure from Indoor Unit

E07 Outdoor Unit Transmission Failure to Indoor Unit

E08 Duplicated Indoor Unit Address Setting

E09 Multiple Main Remote Controller Units Set

E11 Indoor Unit Receive Failure from Signal Output Board (*)

E12 Automatic Address Setting Is in Progress Automatic Address Setting Start is Prohibited (*)

E13 Indoor Unit Transmission Failure to Remote controller

E15 Automatic Address Alarm (Too Few Units)

E16 Automatic Address Alarm (Too Many Units)

E18 Group Control Wiring Communication Failure (*)

E20 No Indoor Unit in Automatic Address Setting (*)

E24 Communication Failure between Outdoor Units (for only W MULTI)

E26 Inconsistencies in Number of Outdoor Units (for only W MULTI)

E31 Communication Failure between Units

F01·02·03·10·11 Indoor Unit Temperature Sensor Error

F04·06·08·12·13·17·18/H08 Outdoor Unit Temperature Sensor Error

F16 Compressor Inlet/Outlet Pressure Sensor Error

F20 Clutch Coil Temperature Sensor Error

F29 Indoor Nonvolatile Memory (EEPROM) Error

F30 Real Time Clock (RTC) Function Error

F31 Outdoor Nonvolatile Memory (EEPROM) Error

H07 Compressor Oil Depletion Error (for only W MULTI)

L03 Multiple Main Units Set for Group Control (*)

L04 Duplicate System (Outdoor Unit) Address Setting

L05·06 Duplicate Indoor Unit Priority Setting (*)

L07 Group Control Wire Present for Individual-Control Indoor Unit (*)

L08 Indoor Unit Address Not Set

L09 Indoor Unit Capacity Not Set (*)

L10 Outdoor Unit Capacity Not Set

L13 Indoor Unit Model Type Setting Failure

L15 Defective Pairing of Indoor Units

L16 Faulty Water Heat Exchanger Unit Settings

L19 Duplicated Water Heat Exchanger Unit Parallel Array Addresses

L21 Gas Type Setting Failure

P01 Indoor Fan Error/Indoor Unit Fan rpm Error (*)

P03 High Compressor Discharge Temperature

P04 Refrigerant High-Pressure Switch Operation

P05 Power Source Error

P09 Indoor Unit Ceiling Panel Connector Connection Failure (*)

P10 Indoor Unit Float Switch Operation (*)

P12 Indoor DC Fan Error (DC fan motor model only)

P13 Refrigerant circuit Error (W MULTI)

P13 Refrigerant Circuit Error (3WAY)

P15 Complete Refrigerant Gas Depletion

P18 Bypass Valve Error

P19 Four-way Valve Lock Error (not detected 3WAY MULTI)

P20 Refrigerant High-Pressure Error

P22 Outdoor Unit Fan Error

P23 Water Heat Exchanger Unit Interlock Error (for only water heat exchanger unit)

P26 Clutch Connection Error

P30 Group Control's Sub Unit Error (* warning displayed only on system controller)