3-4
No. Inspection item Inspection content PTI
Electrical system
1
Damage of power cable
and plug
✓
2
Inspection of condition of
internal wiring
✓
3
Terminal looseness
inspection and retightening
if necessary
1) Magnetic switch ✓
2) Electronic controller terminal
board
✓
3) Terminal board ✓
4
Condition of monitoring
receptacle cap
✓
5
Condition of personal
computer receptacle cap
✓
6 Fuse conditions Burned out or not ✓
7
Inspection of magnetic
switch contact
Contact point inspection ✓
8 Electric insulation check
1) Power cable and plug ✓
2) Compressor ✓
3) Condenser fan motor ✓
4) Evaporator fan motor ✓
9
Starting procedure
inspection
✓
10 Temperature sensor
1) Installation condition of sensor ✓
2) Indication error inspection and
replacement
✓
11
PT/CT (voltage and
current) indication error
inspection
✓
12
Pressure sensor indication
error inspection
✓
13 Electronic controller Check of wake-up battery ✓
14 Evaporator fan motor
1) Speed switchover ✓
2) Rotation direction ✓
15 Condenser fan motor Rotating direction ✓
16 Evaporator fan
Deformation and damage
inspection
✓
17 Condenser fan
Deformation and damage
inspection
✓
Others
1
Check for abnormal noise
and vibration during
operation
✓
2
Temperature control
function
1) 0℃ operation ✓
2) –18℃ operation ✓
3 Defrosting function ✓
4 Unit water-cleaning ✓
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