1. Remove screws at rear cover of vibrator and remove rear cover.


2. Remove screws around the baseplate of vibrator, slightly lift up shell, then, you can see the main board (the same as the one you received.).


3. Pull out the old temperature sensor, and plug in the newly received one, then connect to electric power to see if the fault is eliminated.

If the fault still exists, replace main board.


4. Pull out two wires (connect to main board and shell) from main board, remove main board screws, replace main board, then, re-plug. If display contrast is not good, you can adjust RW1 by straight screwdriver. Do not adjust RW2.


5. Re-install the vibrator.