C
−
LRV lift control valve
Operation
300−I−9010212−E−10/08.08
5.3.2
Fault description
Display on
Handterminal
Cause
Remedy
Further de-
tails (code,
Err:None
No fault
Warn:
Board−T.
Temperature of C−DELCON ex-
ceeds 70
°
C
Warning message, not a fault
102, 301,
403
S
Ambient temperature is too high
S
Lower the ambient temperature
S
Poor ventilation in control cabinet
S
Improve control cabinet ventila-
tion
Err:
Input−V.+
Positive voltage from power sup-
ply unit is outside of +17V...+41V
103, 104,
201, 301,
403
S
Positive voltage is too low or too
high
S
Incorrect power supply unit for
the C−DELCON (transformer
code 280−G21 /281−G21 /
282−G21
S
Check the incoming mains volt-
age
S
Choose the correct power supply
unit to suit the mains voltage
S
Replace the power supply unit
Err:SIU−1
Demand/feedback difference too
large
104, 105,
107, 202,
301, 404
S
SIU demand/feedback monitoring
(LED lights up)
S
The C−DELCON settings are too
low
S
Acceleration is too high
S
Decrease the acceleration setting
S
Fast DOWN is set too high on
the C−DELCON
S
Decrease the fast DOWN setting
S
Flow rating of pipe−rupture valve
is too low
S
Decrease the fast DOWN setting
Err:
Command
Incorrect combination of com-
mands
103, 104,
105, 201,
301, 403
S
e.g. Up and Down simultaneously
S
Ensure correct commands are
signalled
Err:
Zero−point
Null point outside of ±1.00V
103, 105,
201, 301,
402
S
Mechanical null point is wrongly
set
S
Reset the mechanical null point
S
Bypass pressure is too high
S
Set the bypass screw on the
valve correctly (unscrew it
slightly)
Err:
WrongSW
Software fault
106, 201,
301, 403
S
Wrong EPROM installed
(software initialisation fault)
S
Change the EPROM
S
Replace the C−DELCON
Info:
New vers
New software version installed
Information
106, 301,
401
S
New EPROM has been installed
S
No fault, just information
Info:
Default
Factory settings loaded
Information
102, 301,
401
S
The default factory settings have
been loaded
S
No fault, just information