PACD011001C2 Troubleshooting
Troubleshooting UM Combination “MA1R Series” Using R-407C 527
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."
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
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