Gree GMV-120WM/B-F

GMV5 D.C INVERTER MULTI VRF SERVICE MANUAL
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1.3.1.5 Fan Emergency Operation DIP Switch (SA5_FAN-E)
The fan emergency operation DIP switch (SA5_FAN-E) is used for aftersales emergency settings
when an exception occurs on a dual-module fan. It can shield the operation of a fan in a short time and
guarantee the emergency operation of the system.
(1) Fan positions
(2) When it is required to set the fan to emergency mode, set the DIP switch as follows:
Fan Emergency Operation DIP Switch (SA5_FAN-E)
DIP1
DIP2
Remark
0
0
No fan in emergency operation mode
1
0
Shielding the operation of 1# fan
0
1
Shielding the operation of 2# fan
Precautions:
① When the DIP switch setting is not covered in the above scope, a DIP switch setting exception
fault may occur.
② Only one fan can be set to emergency mode on a module.
③ The default factory setting is ―00‖.
④ The system cannot continually run for more than 120 hours in fan emergency operation status.
Once 120 hours are exceeded, the entire unit will be forcibly stopped and the limited operation
code ―Ad‖ is displayed on the IDU.