Mitsubishi Electric FDF71VNXVD Technical Manual page 3

10. OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER ................. 87
(1) Remote controller ......................................................................................... 87
(2) Operation control function by the remote controller
(3) Operation control function by the indoor controller ....................................... 89
(4) Operation control function by the outdoor controller ..................................... 99
(Ⅰ) Micro inverter series
(Ⅱ) Hyper inverter series
11. MAINTENANCE DATA ..................................................................................120
11.1 Diagnosing of microcomputer circuit ...................................................120
(1) Selfdiagnosis function ...............................................................................120
(2) Troubleshooting procedure ........................................................................123
(3) Troubleshooting at the indoor unit .............................................................123
(4) Troubleshooting at the outdoor unit ...........................................................126
(5) Check of anomalous operation data with the remote controller ................139
(6) Power transistor module (including the driver PCB) inspection procedure ...........140
(7) Inverter checker for diagnosis of inverter output .......................................141
(8) Outdoor unit controller failure diagnosis circuit diagram ....................................142
11.2 Troubleshooting flow
12. OPTION PARTS ............................................................................................197
(1) Wireless kit (RCN-KIT3-E) ........................................................................197
(2) Simple wired remote conroller (RCH-E3) .................................................199
(3) Base heater kit (CW-H-E) .........................................................................205
How to read the model name
Example: FDF 140 VNX P VD
................................................................................ 99
...............................................................................110
..............................................................................148
Series code
: Single type
(blank)
P : Twin type
Applicable power source ... See the specification
Product capacity (14.0KW at cooling)
Model name

- -
..................................... 88
FDF : Floor standing type
FDC : Outdoor unit
'11 • PAC-T-160