Chigo CMV-50V9A-S, Service Manual

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The 85
th
style indoor lamp panel
The timing lamp The sleeping lamp The running lamp
Faulty contents Trouble display
Communication fault
The timing lamp lightens all the time，the sleeping lamp
lightens 2 times ，and then extinguish 2 seconds。
Indoor fan fault
The timing lamp lightens all the time，the sleeping lamp
lightens 5 times ，and then extinguish 2 seconds。
Indoor temp. sensor fault
The timing lamp lightens all the time，the sleeping lamp
lightens 3 times ，and then extinguish 2 seconds。
Indoor coil outlet temp. sensor fault
The timing lamp lightens all the time，the sleeping lamp
lightens 4 times ，and then extinguish 2 seconds。
Indoor coil inlet temp. sensor fault
The timing lamp lightens all the time，the sleeping lamp
lightens 4 times ，and then extinguish 2 seconds。
Indoor coil middle temp. sensor fault
The timing lamp lightens all the time，the sleeping lamp
lightens 4 times ，and then extinguish 2 seconds。
Mode conflict
The timing lamp lightens 1 time ，and then extinguish
1 second。
Defrosting or anti cold air
The running lamp lightens 1 time ，and then extinguish
1 second。
Faulty contents Trouble display
the outdoor unit transducer module
protection faulty
The running lamp lightens all the time，the sleeping lamp
lightens 2 times ，and then extinguish 2 seconds。
over current of outdoor unit
The running lamp lightens all the time，the sleeping lamp
lightens 3 times ，and then extinguish 2 seconds。
discharge temp. of compressor too high,
outside ambient temp. too high, switch
temp. of compressor crust cut off, temp.
of module too high
The running lamp lightens all the time，the sleeping lamp
lightens 4 times ，and then extinguish 2 seconds。
The outdoor unit DC busbar voltage is
abnormal
The running lamp lightens all the time，the sleeping lamp
lightens 7 times ，and then extinguish 2 seconds。
lack refrigerant or reverse valve fault
The running lamp lightens all the time，the sleeping lamp
lightens 8 times ，and then extinguish 2 seconds。
outdoor sensor fault
The timing lamp lightens all the time，the sleeping lamp
lightens 7 times ，and then extinguish 2 seconds。
outdoor unit drive fault, start compressor
failure
The timing lamp lightens all the time，the sleeping lamp
lightens 6 times ，and then extinguish 2 seconds