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CHECKING THE REFRIGERATING CYCLE
2.96
{
30.14
}
2.62
{
26.72
}
2.31
{
23.58
}
2.03
{
20.73
}
1.78
{
18.14
}
1.55
{
15.79
}
1.34
{
13.66
}
1.15
{
11.74
}
0.98
{
10.02
}
0.83
{
8.48
}
0.70
{
7.10
}
0.58
{
5.89
}
0.47
{
4.81
}
Outdoor air
temperature
(℃)
50
45
40
35
30
25
20
15
10
5
0
-5
-10
(R410A)
Lo
Hi
Connect U,V,W phase leads to the
power module again and operate the
air conditioner.
Is the self-diagnosis lamp mode as
shown on the right?
Stop to operate and check the gas
pressure in balancing mode.
●
Checking the power module.
The compressor is defective. Replace it
and seal refrigerant.
If the compressor checker for an
inverter type air conditioner is
available, re-check using it.
Gas leaks.
Repair and seal refrigerant.
Perform a final check of operation.
YES
Gas leaking
Lighting mode
Blinks
2 times
Blinks
3 times
Blinks
4 times
Blinks
5 times
Blinks
6 times
Blinks
8 times
LD301
Approx. 10 seconds
Compressor
Blinking
Off
Time until the
lamp lights
Possible
malfunctioning
part
Approx.
10
seconds
Approx.
10
seconds
Within
approx.
30
minutes
Gas
leakage
Compressor
Self
・
diagnosis Lamp
Outdoor
unit
Manifold
valve
When the
self-diagnosis lamp
lights in the same
condition as above.
Normal
(JUDGING BETWEEN GAS LEAKAGE AND COMPRESSOR DEFECTIVE)
Mpa(G){
kgf/cm
2
(G)
}
Charge port pressure