Samsung AM080FX A Series Service Manual page 127

Troubleshooting
4-2 Service Operation (cont.)
4-2-1 Special Operation (cont.)
■AM080/100/120/200FXWASS
► Key input of the outdoor unit when the service enters the operation mode.
K1 (Number of press)
Press and hold 1 time
1 time
2 times
3 times
4 times
5 times
6 times
7 times
8 times
9 times
10 times
11 times
12 times
K2 (Number of press)
1 time
2 times
3 times
4 times
5 times
6 times
7 times
8 times
9 times
10 times
11 times
12 times
※ During "Discharge mode of DC link voltage", voltage of INV1 and INV2 will be displayed alternately.
※ E ven when the outdoor unit power is off, it is dangerous when you come in contact with inverter PBA and fan PBA since they are charged with high DC
voltage.
※ W hen there were error, 'Dicharge mode of DC link voltage' may not have been effective. Especialy if error E464 and E364 have been occured, power
element might be damaged by fire and therefore, do not use the 'Discharge mode of DC link
K3 (Number of press)
1 time
Samsung Electronics
Key operation
Auto trial operation
Refrigerant charging in Heating mode
Trial operation in Heating mode
Pump out in Heating mode (Outdoor unit address 1)
Pump out in Heating mode (Outdoor unit address 2)
Pump out in Heating mode (Outdoor unit address 3)
Pump out in Heating mode (Outdoor unit address 4)
Vacuumig (Outdoor unit address 1)
Vacuumig (Outdoor unit address 2)
Vacuumig (Outdoor unit address 3)
Vacuumig (Outdoor unit address 4)
Vacuuming (All outdoor units)
End Key operation
Key operation
Refrigerant charging in Cooling mode
Trial operation in Cooling mode
Pump down all units in Cooling mode
HR: Pipe connection inspection
H/P: Auto trial operation
Checking the amount of refrigerant
Discharge mode of DC link voltage
Forced oil collection
Inspect inverter compressor 1
Inspect inverter compressor 2
Water pipe valve/Pump check
Cooling fan/Flow control valve check
End key operation
Key operation
Intialize (Reset) setting
Display on segment
K, 1, BLANK, BLANK
K, 1, BLANK, BLANK
K, 2, BLANK, BLANK
K, 3, BLANK, 1
K, 3, BLANK, 2
K, 3, BLANK, 3
K, 3, BLANK, 4
K, 4, BLANK, 1
K, 4, BLANK, 2
K, 4, BLANK, 3
K, 4, BLANK, 4
K, 4, BLANK, A
-
Display on segment
K, 5, BLANK, BLANK
K, 6, BLANK, BLANK
K, 7, BLANK, BLANK
K, 8, BLANK, BLANK
K, 9, X , X
(Display of last two digits may differ
depending on the status)
K, A, BLANK, BLANK
K, C, BLANK, BLANK
K, D, BLANK, BLANK
K, E, BLANK, BLANK
K, F, BLANK, BLANK
K, G, BLANK, BLANK
-
Display on segment
Same as initial state
139