V6R VRF 50Hz
140
Midea
V
6R
Series S
er
vice M
anual
2.27
A0: Emergency shutdown
Digital display output
Description
Compressor discharge insufficient superheat protection.
All units stop running.
Error code is only displayed on the master unit.
Trigger / recover condition
Trigger condition:
The port of CN91 on the outdoor main PCB has short-circuited
；
Received the emergency shutdown instructions from centralized controller.
Recover condition:
The port of CN91 on the outdoor main PCB disconnects.
Cancel the emergency shutdown instructions from centralized controller.
Reset method: Resume automatically.
Possible causes
Outdoor main PCB damaged.
Instructions of centralized controller
