Service manual

82 Service Manual SM-MDS_(i)
Outdoor storage malfunction
Error Code: F0, 20 (For MC301), ER54 (For MDS-M PCB)
Examine the PCB for
loose components
Solder the loose component back
and retest again
NO
Turn off the unit
YES
Replace PCB
Turn on the unit
Press the reset button.
Error still remains?
YES
NO
Restart the unit to confirm does the
error still persist
6