Service manual

Service Manual SM-MDS_(i) 83
Indoor and controller communication error
Error Code: F6 (For MC301)
Is the wired controller
connection loose?
Connect correctly and operate again
NO
YES
Replace the wired
controller. Turn on
the unit. Is the error
remains?
NO
Restart the system and verify again
YES
Replace PCB.
Turn off the unit
Is the version of controller
compatible with the indoor
PCB?
Refer Appendix 7.2
YES
NO
Change controller or upgrade the
software for controller/indoor unit PCB.
Restart the system to verify
6
Is the wire exceed
10m length?
Connect correctly and operate again
YES
NO