Toshiba MMU-UP0051MH-E(TR) Service Manual page 3

9. TROUBLESHOOTING ............................................................................................ 91
9-1. Overview ............................................................................................................................. 91
9-2. Troubleshooting method ................................................................................................... 92
9-3. Troubleshooting based on information displayed on remote controller ..................... 98
9-4. Check Codes Displayed on Remote Controller and SMMS series Outdoor Unit (7-
Segment Display on I/F Board) and Locations to Be Checked ................................... 103
9-5. Diagnostic Procedure for Each Check Code (Indoor Unit) .......................................... 118
9-6. Sensor characteristics .................................................................................................... 126
9-7. Maintenance list ............................................................................................................... 127
10. P.C. BOARD EXCHANGE PROCEDURES ........................................................ 128
10-1. Replacement of indoor P.C. boards .............................................................................. 128
11. DETACHMENTS ................................................................................................. 135
11-1. Compact 4-way cassette ................................................................................................ 135
11-2. 2-way cassette ................................................................................................................ 144
11-3. 1-way cassette (SH) ........................................................................................................ 157
11-4. Floor standing cabinet ................................................................................................... 165
11-5. Floor standing concealed .............................................................................................. 170
11-6. Floor standing ................................................................................................................ 180
12. EXPLODED VIEWS AND PARTS LIST ............................................................. 187
12-1. Compact 4-way cassette type ....................................................................................... 187
12-2. 2-way cassette type ........................................................................................................ 191
12-3. 1-way Cassette Type (SH) .............................................................................................. 200
12-4. Floor Standing Cabinet Type ......................................................................................... 204
12-5. Floor Standing Concealed Type .................................................................................... 207
12-6. Floor Standing Type ....................................................................................................... 210
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