Ma" Improper Combination Of Optional Controllers For Centralized Control - Daikin R410As Service Manual

Troubleshooting (OP: Schedule Timer)
" MA "
4.4 Improper Combination of Optional Controllers for
Centralized Control
MA
Remote
Controller
Display
Applicable All models of indoor units, schedule timer
Models
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
!
Supposed
!
Causes
!
228
Improper combination of optional controllers for centralized control
More than one master controller is connected.
Defect of PC board of optional controller for centralized control
Si39-302
Troubleshooting