MCAC-VTSM-2014-10 R410A All DC Inverter Mini VRF
Troubleshooting 75
2. PCB parts instructions
80/105 model
SW2 query instructions
Frequency will display when running, quantities of indoor unit
will display when standby.
0—Standby; 2—Cooling; 3—Heating; 4—Forced cooling
Operating fan speed level
The total required capacity of the indoor unit
The required capacity of the revised outdoor unit
T4 environment temperature
Actual value(if it is more than one hundred, it will be only
display the hundreds’ digit and the tens’ digit)
The surface temperature of the cooling fin
Actual Value=Display value*8
Total quantities of the indoor units
The quantities of the operating indoor units
The last malfunction or protection code
If there is no malfunction or protection code, it will display
“nn”.
SW1: Forced
cooling
button
Function setting
dial switch