Samsung MH052FUEA, Service Manual

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Samsung Electronics 4-19
2. 2. Apply the power to the outdoor unit.
Outdoor unit will try to communicate the number of indoor units specified by SW01 on outdoor display PCB.
2.
Pipe Checking Operation (Auto Addressing Mode)
Automated checking of pipe connection (Auto addressing option)
Ŗ Turn on the outdoor unit and wait for one minute.
Ŗ During these 60 seconds,the left dispaly DIS01 will show sequentially
Ŗ 00-01-02-03-...15-00.
Ŗ E199 is showed on the display PCB of outdoor unit.
Ŗ -It means you didn ’t do “Pipe check operation“
Ŗ
Push [K1 ] button on the display PCB of outdoor unit once, then begins to start “Pipe check operation”
with displaying as below. 2.
OK : This number is displayed
only while communicating,
so each number is displayed
for a short time in order.
Nothing is displayed on the LED.
Check the power source,
power cable & FUSE on
the outdoor unit.
Yes
No
Yes
No
Does LED show "Normal display"?
"Normal display" means, right 2 digit of
LED on Display PCB displays '00' and
left 2 digit of LED displays indoor unit
address number.
Is error code started with ''
''
displayed on the LED?
Check the indoor unit, outdoor unit or wiring
according the error code table.
[DIS 01 ] is flickering on the setting time.
Outdoor Temperature
Ň%
or more less than
Ň%
(Cool mode) (Heat mode)
5min~10min 20min~50min
Button [K1] 1 times
DIS 01 DIS 02
Display
Time duration
K4 View mode Display changes (RJ100F5HX**)
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Present Compressor Frequency
Target Compressor Frequency
EEV0 current step
EEV1 current step
EEV2 current step
EEV3 current step
Fan RPM (H:high,L:low,Blank:off )
Discharge temperature
OLP temperature
Condenser temperature
Outdoor temperature
First current
Target Discharge temperature
Total capacity of the indoor units
Safety control
Display Explanation Display Explanation Push Push
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Discharge temperature
OLP temperature
Condenser temperature
Outdoor temperature
First current
Target Discharge temperature
Total capacity of the indoor units
Safety control(just for Service Technician)
EEV4 current step