C
H A P T E R
4
D
I S P L A Y I N G
M
A C H I N E
D
A T A
1 0 9 4 0 1 B
6 7 1 0 D G
R I N D E R
O
P E R A T O R
S
A F E T Y
M
A N U A L
1 0 5
Table 15:
Failure Modes in Current Mode
Failure Mode
Effect
1
COUT Open *
* Most likely, the valve
solenoid is bad or the
wires are
disconnected
COUT error, output turned
OFF
2
RET (active) Open
COUT error, output turned
OFF
3
RET (passive) Open
Not detected, will not
influence function
4
COUT Short-circuit to
RET (active)
COUT error, output turned
OFF
5
COUT Short-circuit to
RET (passive)
Not detected, will not
influence function
6
COUT Short-circuit to
+BAT
COUT error, output turned
OFF
7
COUT Short-circuit to
-BAT
COUT error, output turned
OFF
8
RET (active) Short-
circuit to +BAT
COUT error, output turned
OFF
9
RET (active) Short-
circuit to -BAT
COUT error, output turned
OFF
10
RET (passive) Short-
circuit to +BAT
Not detected, will not
influence function
11
RET (passive) Short-
circuit to -BAT
COUT error, output turned
OFF
12
COUT Short-circuit to
2:nd COUT (passive)
Not detected, will not
influence function
13
COUT Short-circuit to
2:nd RET (active)
COUT error, output turned
OFF
14
COUT Short-circuit to
2:nd RET (passive)
Not detected, will not
influence function
15
RET Short-circuit to
2:nd RET (active)
COUT error, output turned
OFF
16
RET Short-circuit to
2:nd RET (passive)
Not detected, will not
influence function
17
Insufficient voltage
COUT error, output turned
OFF
Summary of Contents for Peterson 6710D
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