Toshiba GRT100 Series Instruction Manual page 262

Table Q-1 LCD Message and Failure Location
Message
VCT
Checksum err
ROM-RAM err
SRAM err
BU-RAM err
DPRAM err
EEPROM err
A/D err

CT1 err
(2)

CT2 err
(2)
CT3 err 
(2)
Sampling err
DIO err
RSM err
No-working of LCD
Note: This table shows the relationship between messages displayed on the LCD
and the estimated failure location. Locations marked with (1) have a higher
probability than locations marked with (2).
Failure location
SPM IO1 IO2








(1)

(1)

(1)

  
(2) (1) (1)
 
(2) (1)

(2)
 
261
IO3 HMI AC cable

(2)

(2)

(2)

(1)

(1)
6 F 2 S 0 7 8 9