Bucher C-LRV 700 - 5.3.2 Fault Description and Remedies

C−LRV lift control valve Operation
86/92
300−I−9010212−E−10/08.08
Further de-
tails (code,
see 5.3.3)
RemedyCause
Display on
Handterminal
Warn:
Bypass pre
Automatic null point adjustment
outside of +0.20V
Warning message, not a fault 103, 105,
301, 401
S Hand pump activated
S Bypass pressure is too high S Set the bypass screw on the
valve correctly (unscrew it
slightly)
103, 105,
301, 401
Warn:
Leakage
Automatic null point adjustment
outside of −0.20V
Warning message, not a fault 103, 105,
301, 401
S Emergency lowering valve actu-
ated
S Leakage
Warn:
Timeout
Relevelling up/down takes longer
than 2 minutes
Warning message, not a fault 104, 105,
203, 301,
401
S Emergency lowering valve actu-
ated