Samsung MH020FVEA Service Manual page 135

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.
I Pipe Checking Operation (Auto Addressing Mode)
2.
Automated checking of pipe connection (Auto addressing option)
• Turn on the outdoor unit and wait for one minute.
• During these 60 seconds,the left dispaly DIS01 will show sequentially
• 00-01-02-03-...15-00.
• E199 is showed on the display PCB of outdoor unit.
• -It means you didn 't do "Pipe check operation"
• Push [K1 ] button on the display PCB of outdoor unit once, then begins to start "Pipe check operation"
with displaying as below.2.
Display
[DIS 01 ] is flickering on the setting time.
Time duration
Samsung Electronics
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.
No
Is error code started with ''
displayed on the LED?
Yes
Check the indoor unit, outdoor unit or wiring
according the error code table.
Button [K1] 1 times
DIS 01
Outdoor Temperature
0˚C or more
(Cool mode)
5min~10min
OK : This number is displayed
Yes
only while communicating,
so each number is displayed
for a short time in order.
No
''
Nothing is displayed on the LED.
Check the power source,
power cable & FUSE on
DIS 02
less than 0˚C
(Heat mode)
20min~50min
the outdoor unit.
Troubleshooting
9-3