Dot Matrix Display On The Front Of The Module; The Specifications Of String Displayed At The Time Of Alarm Display - Mitsubishi Electric C80 series Maintenance Manual

C80 Series Maintenance Manual
9 Appx.3: Outputting the Error Code

9.4 Dot Matrix Display on the Front of the Module

The below shows the appearance of the CNC CPU module.
The dot matrix displays the state of battery alarm as priority as shown below.
When no alarm is occurring, the dot matrix displays the normal state (RUN).
Display of dot matrix
BT2
BT1
RUN
When no battery alarm is occurring but some sort of alarm occurs, the display of the dot matrix changes from the normal
to the alarm display.
In the state of alarm display, the alarm is displayed in the form of error code as specified in "9.4.1 The Specifications of
String Displayed at the Time of Alarm Display".
The string is displayed shifting from right to left in the dot matrix.
Even if the alarm changes while displaying, the content will not be updated until the string is displayed to the end.

9.4.1 The Specifications of String Displayed at the Time of Alarm Display

(1) The string starts with "ALM".
(2) It displays the error codes from the 1st part system in order. The part system number is displayed at the beginning to-
gether with $ symbol.
(3) When multiple alarms occur in one part system, the error codes will be displayed in order of priority. Up to 5 error codes
are displayed in one part system.
(4) The alarms which are common for all the part systems are displayed in the 1st part system. The alarms which are com-
mon for all the part systems will be displayed with a higher priority.
Display example
When the alarms 1C37 and 1266 are occurring in the 1st part system, and 3062 in the 2nd part system, the indication
is as follows:
ALM
This message is displayed repeatedly.
IB-1501454-C
LED display
Dot matrix LED
Low battery alarm
Low battery warning
Normal
$1 1C37 1266
112
State
$2 3062