Linde 350 Series Service Training page 72

Section 2
Page 46
54 Pump control element V resistance too high or
power stage defective or magnet shorted against (-)
55 Pump control element R resistance too low or
power stage leaky
56 Pump control element R resistance too high or
power stage defective or magnet shorted against (-)
57 Gas shutoff valve resistance too low or
power stage leaky (LP-gas only)
58 Gas shutoff valve resistance too high or
power stage defective or magnet shorted against (-)
(LP-gas only)
59 Release valve: drive and feedback (status)
61 Speed signal
62 Jump of RPM signal from over 800 rpm
to 0 rpm (cable broken)
65 Tilt pressure signal 1S1 6 bar with engine stationary
66 Lift pressure signal 1S2 14 bar with engine stationary
67 Signal 1S2 no signal 1S1 (14 bar without 6 bar)
Master processor: monitoring of safety processor:
71 Safety processor
72 Pot signals both processors
73 Pot 1B2.1
74 Input signals of both processors
75 Serial data transfer
76 Serial data transfer
Safety processor: self-monitoring:
80 Invalid series code
81 Invalid 1-/2-pedal code
82 Accelerator pedal: signal 1B2.1
83 Built-in test detected release valve not OK
84 Built-in test detected safety relay not OK
85 Pump forward and reverse current simultaneously
86 Pump forward current with specified value of pot = 0
87 Pump reverse current with specified value of pot = 0 FS
88 Pump forward current too high
89 Pump reverse current too high
90 Stimuli for Bosch test not OK
91 Stimuli for Linde test not OK
99 Internal fault in safety processor
02.01
Service Training
too high
too high
unequal
too high
not releasing
incompatible
out of range
incompatible
inactive
inactive
maybe cable loom
maybe cable loom
out of range
WELFS
WELFS
WELFS
WB
W
W
W
W
WELFS
W
W
W
W
W
FS
FS
FS
FS
FS
FS
FS
FS
FS
FS
FS
FS