Connexity of compressor
Same temp of a ir intake inlet
and discharge outlet of the
compressor, no condensation in
air intake inlet
Replace the compressor
3.7 The units doesnít work
Reason
Check to be made
Proposed Remedy
Bad connection of the power
plugs, or no power plug
Check the socket
Repair or replace
Outdoor fuse or indoor fuse is
burnt
Check if the fuse is good
Replace the fuse
Low voltage
Measure the voltage
Heighten the voltage of the
power supply system
Wrong indoor temp set
Measure actual indoor temp,
compare to the s et temp (in
cooling set temp should be
lower than the a ctual, in
heating, is higher)
Reset the temp
Wrong running mode of indoor
units set
Check if running mode of two
indoor units is the same (it is
not available if one is heating
and another is cooling)
Reset
3.8 Cannot receive the remote control signal
Reason
Check to be made
Proposed Remedy
Damaged remote control or low
battery
Check if the indica tion is
normal
Replace the remote control or
battery
Short-circuit of conne ctions of
main control board to switc h
board
Check the board
Replace the components
Running mode of two indoor
units is not the same
Check if one is he ating and
another is cooling
Reset
Indoor units are in test mode
Open the air intake grill to see
the running mode
Adjust test mode to r emote
control mode
Remarks
The above-mentioned ëfaultsí are the faults possibl
y occur, we will
continue to collect the faults and analysis.
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