Ma" Improper Combination Of Optional Controllers For Centralized Control - Daikin FCQ18PVJU Service Manual

Troubleshooting by Indication on the Centralized Remote Controller
MA
4.4 " " Improper Combination of Optional Controllers for
Centralized Control
MA
Remote
Controller
Display
Applicable Centralized remote controller
Models
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
 Improper combination of optional controllers for centralized control
Supposed
 More than one master controller is connected
Causes
 Defect of P.C.B. of optional controller for centralized control
147
SiUS28-902_a
Troubleshooting