TECHNICAL BULLETIN
Technical Bulletins are produced to provide information not contained in the manuals or to update currently published technical information on the Samsung line of Mini splits
This bulletin is on :
Option Code Procedure for MH Neo Forte
Know this
The Option codes shown in the Service manual have been REVISED
The correct option code sequence, and recommended procedure is shown below
Option codes are required if ALL of the Indicator lights on the Indoor unit are blinking, the PCB has been replaced or the Indoor and Outdoor units are not communicating
Symbol |
| MH026FNCA |
|
| MH035FNCA |
|
| MH052FNCA |
| |||
| ON TIMER | OFF TIMER | ON TIMER | OFF TIMER | ON TIMER | OFF TIMER | ||||||
Auto | 2 | 7 | 0 | 0 | 2 | 7 | 0 | 0 | 2 | 6 | 0 | 0 |
Cool | 4 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 4 | 0 | 0 | 0 |
Dry | 2 | 4 | 1 | 0 | 2 | 6 | 1 | 0 | 2 | 9 | 1 | 0 |
Fan | 2 | 2 | 0 | 0 | 2 | 2 | 0 | 0 | 2 | 2 | 0 | 0 |
Heat | 1 | A | 0 | 0 | 4 | D | 0 | 0 | 8 | F | 0 | 0 |
Step 1 Make sure the Indoor unit is turned OFF. At the Outside unit turn off the power supply,
wait for 1 minute for the Outdoor unit to completely power down, then
Step 2 Remove the batteries from the remote, wait 10 secs then hold down BOTH the UP & DOWN temperature arrow buttons. While holding down the buttons
Step 3 An arrow should appear next to the Auto mode graphic, with 00 and the
ON timer icon on the screen If no display appears repeat Step 2
Step 5 Using the DOWN arrow key, press it the correct number of times to scroll the first digit in the code, display will change 0, through 9, A, B, C, D, E, F Once the first digit is programmed, then use the UP arrow key to program the second digit using the same method
Step 6 Press the mode button, the arrow will move down to the next symbol, enter the digits required. Repeat until ALL the code above is entered
Step 7 Press the MODE button again, the OFF timer icon will display, DO NOT enter the code again, press the MODE button 5 more times to return to the ON timer icon, then check the code entered against the above. Once checked use the MODE button to scroll through the OFF timer section
Step 8 Point the remote at the Indoor unit, and press the POWER button 5 times to inject the code into the unit. Unit Ding's to show code has been accepted Remove batteries, wait 10 secs and
Step 9 Do not turn Indoor unit on using remote, instead go to the Outdoor unit
Press the K2 Button THREE times to get the unit operating in the test mode
Once the Indoor unit is making Condensate
Press the K3 Button to take the unit out of the Test mode
Restart unit using the remote, set to the required temperature and mode
Tech Bulletin - Option Codes FJM MH FNCA Neo Forte
#1