26
Service Manual – SC500
04 - Control System
Troubleshooting
Main machine controller (EB1) Alarm Codes
The Main machine controller indicates a series of alarms in case of malfunction of one or more systems, and
in case of abnormal conditions detected in the input signals
The alarms are shown on the display in the following format: ALARM <XX> <DESCRIPTION> (Figure 4)
Figure 4:
In case the display is malfunctioning, the alarms are also repeated by the yellow and red diagnostic LEDs
(Figure 5) on the Main machine controller (EB1), as indicated in the following tables
Figure 5:
General alarms
Alarm on Main machine controller - FLASHING RED LEDS
Alarm code
--------------------------
Description
No.
Flashes Meaning
Condition
Effect
Service Suggestions
G2
-----------------------
EEPROM
ERROR
2
EEPROM error
EEPROM error
Function block
+ Default setting
reset
If the machine continues to function after
G2 has been displayed, this may have
been caused by a significant external
electromagnetic disturbance.
1.
Check that the settings and parameters
(see pages 34 - 35) are correct (they
may have returned to their defaults).
If the error persists, the Main machine
controller must be replaced.
