R410A All DC Inverter Mini VRF MCAC-VTSM-2016-10
72 Troubleshooting
2 PCB parts instructions
2.1 SW2 query instructions
0-Standby;2-Cooling;3-Heating;4-Forced Cooling
Capacity requirement of indoor unit
Capacity requirement of revised outdoor unit
T4 environment temperature
If more than one hundred, only display hundred s’ and tens digits.
Actual value=Display value×8
AD actual value of voltage
Running quantity of indoor units
12~16kW: the last fault or protection code (if there
is no fault or protection code it will be display “nn”)
18kW: 18
12~16kW :”- -” displays
18kW: Priority mode(Reserved)
Query for 12~16kW ends. “0” displays on 18kW..
18kW:Version of the program
18kW :The last fault or protection code (if there is
no fault or protection code it will be display “nn”)
Function setting
dial switch