Table Of Contents - Panasonic 2WAY Multi Technical & Service Manual

1. Symptoms that are not malfunctions ....................................................................... I-1
2. Before troubleshooting (W MULTI series) .............................................................. II-1
(1) W MULTI series system overview ................................................................... II-1
(2) About backup operation during maintenance work ..................................... II-2
3. Malfunctions and Displays ...................................................................................... III-1
(1) Malfunctions without any display .................................................................. III-1
(2) Remote Controller alarm display ................................................................... III-2
4. Error Display and Troubleshooting ........................................................................ IV-1
(1) Precautions before Troubleshooting ............................................................. IV-1
(2) About the Error Detection Procedure ............................................................ IV-1
(3) Engine Start Standby ...................................................................................... IV-1
(4) Troubleshooting .............................................................................................. IV-2
A01 Engine Oil Pressure Error ..........................................................................................IV-2
A02 Engine Oil Error ........................................................................................................ IV-4
A03 Engine High-Revolution Error ................................................................................... IV-5
A04 Engine Low-Revolution Error .................................................................................... IV-6
A05 Ignition Source Error .................................................................................................IV-7
A06 Engine Start Failure .................................................................................................. IV-9
A07 Fuel Gas Valve Error ............................................................................................... IV-11
A08 Engine Stall .............................................................................................................IV-12
A10 Exhaust Gas Temperature High ..............................................................................IV-13
A14 Engine Oil Pressure Switch Error ............................................................................IV-14
A15 Starter Power Source Output Short Circuit .............................................................IV-15
A16 Starter Lock .............................................................................................................IV-16
A17 CT Error (Starter Current Detection Failure) ............................................................ IV-17
A19 Low Coolant Temperature .......................................................................................IV-18
A20 High Coolant Temperature ......................................................................................IV-19
A21 Coolant Level Error ..................................................................................................IV-21
A22 Coolant Pump Error .................................................................................................IV-23
A23 Crankshaft Angle Sensor Error ...............................................................................IV-24
A24 Camshaft Angle Sensor Error .................................................................................IV-24
A25 Clutch Error .............................................................................................................IV-25
A26 Flameout Error ........................................................................................................IV-26
A27 Catalyst Temperature Error (for only models with catalyst option) ..........................IV-27
A28 Generator Error (for only High Power Multi) ............................................................IV-28
A29 Converter Error (for only High Power Multi) .............................................................IV-29
E01 Remote Controller Receive Failure ......................................................................... IV-30
E02 Remote Controller Transmission Failure ................................................................ IV-33
E03 Indoor Unit Receive Failure from Remote Controller (Central) ............................... IV-34
E04 Indoor Unit Receive Failure from Outdoor Unit ........................................................IV-37
E05 Indoor Unit Transmission Failure to Outdoor Unit ................................................... IV-40
E06 Outdoor Unit Receive Failure from Indoor Unit ........................................................IV-41

Table of Contents