Toshiba GRT100 Series Instruction Manual page 137

Table 6.7.1 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
The location marked with (1) has a higher probability than the location marked with
Failure location
SPM IO1 IO2








(1)

(1)

(1)

  
(2) (1) (1)
 
(2) (1)

(2)
 136 
IO3 HMI AC cable

(2)

(2)

(2)

(1)

(1)
6 F 2 S 0 7 8 9
(2).