LRV-1 lift control valve
80/86
300-I-9010050-E-28/02.2012
5.7.3
Warnings
Display
Handterminal
(Miniterminal)
Effect
Cause
Analysis / Remedy
Monitoring
Message
Saved
Message
Reset
Warn:Board-T.
(2)
Temperature of
DELCON exceeds
70°C
At standstill
Immediately
When the
cause has
been
removed
Ambient temperature
is too high
Lower the ambient
temperature
Control cabinet
ventilation missing
Poor ventilation in
control cabinet
Improve control cabinet
ventilation
Warn:0 Point
(14)
Zero point outside of
±0.20V
At start of travel
Immediately
Immediately
(save only)
Mechanical zero point
is wrongly set
Reset the mechanical null
point
Bypass pressure is too
high
Set the bypass screw on
the valve correctly
(unscrew it slightly)
Warn:A0-Point
(17)
Zero point outside of
1.00V during
relevelling
At start of travel
Not monitored if
additional
command K5
(inspection
travel) is present
Immediately
Immediately
(save only)
Mechanical zero point
is wrongly set
Reset the mechanical null
point
Bypass pressure is too
high
Set the bypass screw on
the valve correctly
(unscrew it slightly)
Emergency lowering
valve actuated
For relevelling tests, only
actuate the emergency
lowering briefly
At start of travel
Not monitored if
additional
command K5
(inspection
travel) is present
Immediately
Immediately
(save only)
Warn:Demand
(19)
Automatic demand
signal reduction was
invoked, maximum
speed was reduced for
this travel
During travel,
depending on
parameter
"Demand val.
red."
At end of
travel
Immediately
(save only)
Fast speed too high
Decrease the fast speed
Oil temperature too
low
Install an oil heater, or
use thinner oil
Too heavy a load with
hot oil
Install an oil cooler, do not
overload the car
Warn:Bypass pre
(25)
Automatic zero point
equalisation above
+0.20V
At start of travel
Not monitored if
additional
command K5
(inspection
travel) is present
Immediately
Immediately
(save only)
Hand pump activated
Bypass pressure is too
high
Set the bypass screw on
the valve correctly
(unscrew it slightly)
Operation