Fujitsu Airstage VR-II Series Service Manual page 4

4. TROUBLE SHOOTING
4-1 NORMAL OPERATION..............................................................................................
4-1-1 Indoor Unit Display..............................................................................................
4-1-2 Outdoor Unit Display...........................................................................................
4-2 ABNORMAL OPERATION.........................................................................................
4-2-1 Error code Display.............................................................................................. 04-03
4-2-2 Indoor Unit Display..............................................................................................
4-2-3 Outdoor Unit Display........................................................................................... 04-04
4-2-4 Remote Controller Display...................................................................................
4-2-5 Trouble shooting index - Error code List -........................................................... 04-06
4-2-6 Trouble shooting index - No Error code - ........................................................... 04-07
4-2-7 Trouble level of system........................................................................................ 04-08
4-2-8 Error History mode............................................................................................... 04-09
4-2-9 Trouble shooting with Error code......................................................................... 04-10
4-2-10 Trouble shooting No Error code........................................................................ 04-81
4-3 SERVICE INFORMATION -Network communication abnormal - - RB unit Abnormal -............ 04-89
4-4 SERVICE INFORMATION......................................................................................... 04-91
4-4-1 Back up operation .............................................................................................. 04-91
4-2-2 Work procedure after the backup operation.......................................................... 04-93
4-5 SERVICE PARTS INFORMATION............................................................................. 04-98
5. APPENDING DATA
5-1 REFRIGERANT CIRCUIT..........................................................................................
5-2 WIRING DIAGRAM....................................................................................................
5-2-1 Indoor Unit............................................................................................................
5-2-2 Outdoor Unit......................................................................................................... 05-14
5-2-3 RB Unit................................................................................................................. 05-15
5-2-4 Outdoor Air Unit.................................................................................................... 05-18
5-2-5 Vertical Air Handler............................................................................................... 05-20
6. DISASSEMBLY PROCESS
CONTENTS
04-01
04-01
04-02
04-03
04-04
04-05
05-01
05-05
05-05