Samsung MH026FNCA Service Manual

Also see for MH026FECA: Service manual

2.2.•••2.Troubleshooting2. 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.OK : This number is displayedonly while communicating,so each number is displayedfor a short time in order.Nothing is displayed on the LED.Check the power source,power cable & FUSE onthe outdoor unit.YesNoYesN oDoes LED show "Normal display"?"Normal display" means, right 2 digit ofLED on Display PCB displays '00' andleft 2 digit of LED displays indoor unitaddress number.Is error code started with '' ''displayed on the LED?Check the indoor unit, outdoor unit or wiringaccording the error code table.■ Pipe Checking Operation (Auto Addressing Mode)Automated checking of pipe connection (Auto addressing option)• Turn on the outdoor unit and wait for one minute.During these 60 seconds,the left display DIS01 will show sequentially00-01-02-03-...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.Button [K1] timesDisplay[DIS 01 ] is flickering on the setting time.DIS 01 DIS 02Outdoor TemperatureTime duration 32˚F or more less tha 32˚F(Cool mode) (Heat mode)5min~10min 20min~50minSamsung Electronics9-3