Midea V6R VRF Series Service Manual page 161

V6R VRF 50Hz
3.10 F9: Overload error (for MS01)
Digital display output
Description
 Overload error.
 All units stop running.
 Error code is displayed on the malfunction MS box.
 The indoor unit display board or wired controller connected to this MS displays "F8".
Trigger / recover condition
 Trigger condition: Total capacity of indoor units connected to the MS01 is more than 12HP.
 Recover condition: Total capacity of indoor units connected to the MS01 is less than 12HP.
 Reset method: Manually restart.
Possible causes
 The indoor unit is out range of connection permission.
 the signal cable is connected incorrectly.
Procedure
Check the indoor unit capacity dial
setting and signal cable connection.
160
F9