MCAC-VTSM-2013-12 R410a Full DC Inverter Mini VRF
Troubleshooting 103
7.2 E2: Communication malfunction between indoor chip and outdoor chip.(for all models)
Note:
1. Press indoor unit’s receiver button for 5 seconds, the indoor unit’s communication address code is
displayed; press it for 10 seconds, power code is displayed. Check each unit's address code.
Codes are as follows:
Director light
Running
Timer
Fan/defend cold fan
Warning
Code
8
4
2
1
Address
0
1
2
3
4
5
6
7
8
9
Capacity (×100W)
22
28
36
45
56
71
80
90
112
140
LED displays E2
Communication malfunction between indoor unit chip and outdoor unit chip.
Check the communication wire sequence is
correct or not.
Connect the wire again.
NO
Check whether there is disconnection.
YES
Replace
NO
Check whether the three-cored shielded
wire is used as the communication wire and
earthed properly.
YES
Replace shielded wire or earth the wire
properly.
NO
Indoor unit PCB or outdoor unit PCB malfunction.
Please replace.
Check whether the indoor unit is power on.
Plug the indoor unit in.
NO
YES
Содержание MDV-V105W/DN1
Страница 18: ...R410a Full DC Inverter Mini VRF MCAC VTSM 2013 12 18 Specifications Performance 5 Wiring Diagrams 8 105 model ...
Страница 19: ...MCAC VTSM 2013 12 R410a Full DC Inverter Mini VRF Specifications Performance 19 120 160 model ...
Страница 20: ...R410a Full DC Inverter Mini VRF MCAC VTSM 2013 12 20 Specifications Performance 180 model ...
Страница 21: ...MCAC VTSM 2013 12 R410a Full DC Inverter Mini VRF Specifications Performance 21 6 Field Wiring ...