
User Manual IK 150 / 0031 e
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21
50 / 150 / 19_0031E.DOC / 19.03.1997 / Rev. C / rk.
Error Code
Error
Cause
Elimination
E21
Upper limit value in
measuring channel
"main boom length"
has been exceeded.
•
refer to E11
•
refer to E11
E22
Upper limit value in
measuring channel
"pressure piston
side" has been ex-
ceeded
•
refer to E12
•
refer to E12
E23
Upper limit value in
measuring channel
"pressure rod side"
has been exceeded.
•
refer to E12
•
refer to E12
E25
Upper limit value in
measuring channel
"main boom angle"
has been exceeded.
•
refer to E15
•
refer to E15
E26
Upper limit value in
measuring channel
"angle 2" has been
exceeded.
•
refer to E16
•
refer to E16
E29
Reference and/or
supply voltage de-
fective.
•
refer to E19
•
refer to E19
E31
Error in the system
program
•
The system program PROM
is defective.
•
Replace system program
PROM (PROM No. 0)
E38
System program and
data EPROM do not
match.
•
The system program in the
LMI does not match to the
programming in the data
EPROM
•
Replace the system program
PROM or the data EPROM
(PROM No. 1)
E39
System program and
TLK EPROM do not
match
•
The system program in the
LMI and the programming in
the TLK EPROM do not
match.
•
Replace system program
PROM or TLK EPROM
(PROM No. 2).
E41
Error in the internal
write/read memory
(RAM) of the com-
puter component
80C537
•
Computer component
80C537 defective
•
CPU module defective
•
Processor board defective.
•
Replace computer compo-
nent 80C537.
•
Replace CPU module.
•
Replace processor board
with CPU module.
E42
Error in the external
write/read memory,
1st part (RAM)
•
Write/read memory (CMOS
RAM) or processor board
defective.
•
Replace processor board
with CPU module.
E43
Error in the external
write/read memory,
2nd part (RAM)
•
refer to E42
•
refer to E42