Special Operation - Samsung AM007FN1DCH/AA Service Manual

4-2 Service Operation

4-2-1 Special Operation

Key input of the outdoor unit when the service enters the operation mode.
K1 (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
Press and hold 1 time
K2 (Number of press)
1 time
2 times
3 times
4 times
5 times
6 times
7 times
8 times
9 times
Inv1 & Inv2 voltage during discharge mode are displayed alternately.
Outdoor Power Off even when the Inverter PCB, Fan PCB is a high DC voltage charging contacts at danger.
When you run the repair and replacement of the PCB should work after the power is turned off, the DC voltage discharge.
(Natural discharge until Please wait for at least 15 minutes.)
If an error occurs, the discharge mode may not work properly.
In particular, E464 & E364 is power devices can be damaged.
Therefore, the discharge mode, do not use.
4-2
Key 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
Auto trial operation
Key operation
Refrigerant charging in Cooling mode
Trial operation in Cooling mode
Pump down all units in Cooling mode
H/R: Checking the pipe connection
H/P: Automatic setting of operation mode (Cooling/Heating)
for trail operation
Checking the amount of refrigerant
Discharge mode of DC link voltage
Forced defrost operation
Forced oil collection
End Key operation
Display on segment
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
-
K, K, BLANK, BLANK
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 progress)
K, A, BLANK, BLANK
K, B, BLANK, BLANK
K, C, BLANK, BLANK
-
Samsung Electronics