Daikin FXYBP20K7V1, Service Manual

Page: 163 / 193

Troubleshooting SiE 00-07
152 Troubleshooting R-407C PLUS Series
3.30 Malfunction of Transmission Between Master and Slave Remote Controllers
Remote Controller
Display
U8
Supposed Causes Malfunction of transmission between main and sub remote controller
Connection between sub remote controllers
Defect of remote controller PC board
Troubleshooting
(VF057)
SS1
of both remote controllers is set
to "SUB."
Set SS1 to "MAIN"; the power
supply off once and then back on.
Set one remote controller to
"MAIN"; the power supply off once
and then back on.
Turn the power off and then back
on. If a malfunction occurs,
replace the remote controller PC
board.
YES
YES YES
NO
NO
NO
Using 2-remote controllers
control.
SS1
of remote controller PC boards
is set to "MAIN."