Daikin LX10F11B Service Manual page 52

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003 F301 ・ E303 ・ E305 ・ E307 ・ E311
Alarm ① After both CPU board (EC1) and operation board (EC3) are replaced together, the initial
Logic setup is not executed.
and ② E307, E311--- After CPU board (EC1) is replaced, the configuration set is not executed.
Possible
③ E307, E311---No power supply to S-RAM (CPU board) during power off due to CPU onboard
Causes
battery (CPU board) failure. (E801 is also generated.)
Trouble ①, ② Set configuration setting
Shooting F301 Temperature setting request
--- Set temperature, following ＊1 Set Point Change in paragraph 2.3 (Set Point
temperature Change).
E303 Humidity setting request
--- Set humidity, following ＊2-3 Humidity Setpoint in paragraph 2.3.
E305 Defrost Interval setting request
--- Set defrost interval, following ＊2-1 Defrost Interval in paragraph 2.3.
E307 Calendar setting request
--- Set ＊12-11 Controller date (year/month/day) and
＊12-12 Controller time (time), referring ＊12 Configuration Set in paragraph 2.3.
E311 Trip start setting requirement
--- Set *20 Trip Start Time to "0" (press ENTER key for three seconds.), referring Manual
Check in paragraph 4.1.
③ Permanent measures
○ If E801 is also generated, replace CPU board.
Emergency measures
○ The unit will operate, However, controller time starts from incorrect time whenever power
OFF/ON. therefore, trip data may not shown correctly.
Controller F301 Unit stop
Action
E303 Alarm display only.
E305 Alarm display only.
E307 Alarm display only.
E311 Alarm display only.
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