U8" Malfunction Of Transmission Between Main And Sub Remote Controls - Daikin ALTHERMA HT ERSQ 011 AA Service Manual

ESIE09-08A
3.60 "U8 " Malfunction of Transmission between Main and Sub
Remote Controls
U8
Remote Control
Display
Applicable Models AII indoor unit models
Method of
In case of controlling with 2-remote control, check the system using microcomputer if signal transmission
Malfunction between indoor unit and remote control (main and sub) is normal.
Detection
Malfunction Normal transmission does not continue for specified period.
Decision Conditions
 Malfunction of transmission between main and sub remote control
Supposed Causes
 Connection between sub remote controls
 Defect of remote control PC board
Troubleshooting
Troubleshooting
Be sure to turn off power switch before connecting or disconnecting
Caution
connector, otherwise parts may be damaged.
Using
2-remote controls control.
YES
SS1 of both
remote controls is set to
"SUB."
YES
Troubleshooting by Indication on the Remote Controller
SS1 of remote
NO
control PC boards is set to
"MAIN."
YES
NO
NO
Set SS1 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
Set one remote control to
"MAIN"; the power supply off
once and then back on.
(V2825)
215