Service diagnosis
42
Domestic air conditioner
10.3.10 The communication fault between indoor and outdoor
Indoor display E7
outdoor display LED1 flash 15 times
Method of Communication is detected by checking the indoor PCB and the outdoor PCB.
Malfunction
Detection
Malfunction ■ The outdoor PCB broken leads to communication fault
●
.
Decision ■ The indoor PCB broken leads to communication fault
●
.
Conditions
Supposed ■ Communication wiring disconnected.
Causes ■ The indoor PCB is broken.
■ The outdoor PCB is broken.
■ The Module PCB is broken.
Troubleshooting * Caution Be sure to turn off power switch before connect or disconnect connector, or else parts
damage may be occurred.
Summary of Contents for 2P Series
Page 11: ...Pinping diagrams Domestic air conditioner 4 Piping diagrams 9 EEV EEV...
Page 12: ...Operation range 10 Domestic air conditioner 5 Operation range 10 0 21 27 35 20 40 60 43 20 40...
Page 30: ...Dimensional drawing 28 Domestic air conditioner 8 Dimensional drawings 9 Center of gravity...
Page 38: ...Service diagnosis 36 Domestic air conditioner...
Page 60: ...Sincere Forever...
