MIV V4+ Mini DC Inverter R410A (220V, 8 kW)
DM12-01.01.05en
28
Outdoor
units
②
Indoor unit’s temp. Sensor malfunction
Caution:
There are three temp. sensors in indoor unit, i.e. T1, T2 and T2B, of which fault in any one will cause operation light
flashing and report error.
OK
OK
OK
Indoor unit’s temp.
Sensor malfunction
Exist
T1, T2 or T2B Connecting wire
between sensor and mainboard
gets loose
Reconnect and ensure
that the connection is
reliable.
Temperature sensor is
short-circuited or punctured
Exist
Replace sensor
Chip fault, or chip foot sheds off, or chip is
inverted (correct mode is semicircular bent
alignment)
Error
Reinstall chip, or install other chip
with same model on the faulty unit,
to check whether there is
something wrong with chip.
Mainboard error:
For example,
getting wet
Replace
mainboard
OK
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 ...