DM12-01.01.05en
MIV V4+ Mini DC Inverter R410A (220V, 8 kW)
Outdoor units
33
2) E2 malfunction
LED indicates E2
Communication malfunction between indoor/outdoor units
Judge 3: Check whether the signal wiring between
the indoor and outdoor units is wrong polarity?
Connect the signal wiring correctly
Yes
No
Judge 4: Check whether the signal wiring between
the indoor and outdoor units is broken?
Yes
Replace the broken wiring
No
Judge 2: Check whether the signal wiring is shield
cable or whether the shield cable is grounded
Yes
Adopt the shield cable/ shield cable
grounded
No
Indoor or outdoor main board is broken, replace the
main board until the malfunction is disappear
Judge 1: Check whether the indoor unit power is on
Turn on the indoor unit power
No
Yes
Содержание MIV V4+ Mini
Страница 1: ...DM12 01 01 05en Service manual MIV V4 Mini DC INVERTER R410A 220V 50Hz 1Ph MVUH80A VA1 ...
Страница 2: ...Contents Part 1 General Information 1 Part 2 Outdoor Units 6 Part 3 Installation 44 ...
Страница 13: ...DM12 01 01 05en MIV V4 Mini DC Inverter R410A 220V 8 kW Outdoor units 11 5 Wiring Diagrams MVUH80A VA1 ...
Страница 14: ...MIV V4 Mini DC Inverter R410A 220V 8 kW DM12 01 01 05en 12 Outdoor units 6 Field Wiring MVUH80A VA1 ...
Страница 23: ...DM12 01 01 05en MIV V4 Mini DC Inverter R410A 220V 8 kW Outdoor units 21 10 Operation Limits ...