Friedrich MD24Y3J Svc Manual page 52

Display
Title
code
EEPROM
09
Check sum (Indoor)
Check Flow Chart (CH09)
Check the the
connection port.
Is it normal ?
Yes
Change Option PCB
Only for training and service purposes
Cause of error
• Check sum error
No
Correct connection
- 52 -
Check point & Normal condition
• Check the poor soldering.
• Check the PCB Connection.