2-24
003 F301 ・ E303 ・ E305 ・ E307 ・ E311
Alarm
Logic
and
Possible
Causes
① All alarms --- After both CPU board (EC1) and operation board (EC3) are replaced together,
the initial setup is not executed.
② E307, E311--- After CPU board (EC1) is replaced, the configuration set is not executed.
④ E307, E311---Power is not supplied to S-RAM (CPU board) during power off due to Lithium
battery (CPU board) fault. (E801 is also generated)
Trouble
Shooting
Execute configuration settings of both ① and ②.
F301 Temperature setting requirement
--- Set temperature, following *1 Set Point Change in paragraph 2.3 (Set Point
temperature Change).
E303 Humidity setting requirement
--- Set humidity, following *2-3 Humidity Setpoint in paragraph 2.3.
E305 Defrost Interval setting requirement
--- 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.
④ E307, E311
interim measures
○Execute Calendar setting and Trip start setting as mentioned above.
As a result, the unit works properly. But, the timer in the logging data starts from the initial
date (e.g. 2011/01/01).
permanent measures
○ If E801 is also detected, replace CPU board (Lithium battery installed).
Controller
Action
F301 Unit stop
E303 Alarm display only.
E305 Alarm display only.
E307 Alarm display only.
E311 Alarm display only.