Flowcharts
Rev A 05/01/01 // SB
190113_A
9
ERRO
R
CODE
ERROR
CAUSE
ACTION
E42
Error in the external
write/read memory
(RAM). Part 1
Internal defect in digital part
of CPU.
Exchange write/read memory
(CMOS-RAM). Replace CPU
module. Refer to Drawing 4 and
Procedure 3, Steps 1-3, 13,14.
E43
Error in the external
write/read memory
(RAM). Part 2.
Internal defect in digital part
of CPU.
Exchange write/read memory
(CMOS-RAM). Replace CPU
module. Refer to Drawing 4 and
Procedure 3, Steps 1-3, 13,14.
E45
Redundancy error in
A/D conversion.
Defective electronic
component.
Replace analog input module.
Refer to Drawing 4 and
Procedure 3, Steps 1,2,4, 11,12.
E46
Error in A/D
conversion.
Defective electronic
component.
Replace analog input module.
Refer to Drawing 4 and
Procedure 3 Steps 1,2,4, 11,12.
E47
Malfunction in the
monitored write/read
memory.
Internal defect in digital part
of CPU
Replace CPU module. Refer to
Drawing 4 and Procedure 3
Steps 1-3, 13,14
E48
Cyclic RAM test: Error
in the internal
write/read memory.
Internal defect in digital part
of CPU
Replace CPU module. Refer to
Drawing 4 and Procedure 3
Steps 1-3, 13,14
E51
Error in data EPROM. EPROM Module not bridged
correctly
Data EPROM on the main
board defective.
Replace Data EPROM. Make
sure BR3 on the main board is
installed. Refer to Procedure 2.
E52
Error in load chart
EPROM.
EPROM Module not bridged
correctly
Data EPROM on the main
board defective.
Replace EPROM Module and
reset pressure channels. Refer to
Drawing 4 and Procedure 4.
E56
Error in crane data
EEPROM.
Memory module wrongly
bridged.
Crane data EEPROM
defective
Bridge memory module acc. To
memory type
Replace crane data EEPROM
Replace EPROM Module and
reset pressure channels. Refer to
Drawing 4 and Procedure 4.
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