Option Code Procedure For Mh Neo Forte - Samsung MH026FNCA Service Manual

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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 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
ON TIMER
Auto 2
Cool Cool 4 4
Dry 2
Fan 2
Heat 1
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 re-apply power to the system
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 re-insert batteries
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 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 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 re-insert batteries normally
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
TECHNICAL BULLETIN
MH026FNCA
OFF TIMER ON TIMER
7 0 0
0 0 0 0 0 0
4 1 0
2 0 0
A 0 0
MH035FNCA
OFF TIMER
2 7 0 0
4 4 0 0 0 0 0 0
2 6 1 0
2 2 0 0
4 D 0 0
MH052FNCA
ON TIMER OFF TIMER
2 6 0 0
4 4 0 0 0 0 0 0
2 9 1 0
2 2 0 0
8 F 0 0
#1 Jun-08