35
UK
Process value
line
Title line
Type
Descrip
-
tion
Output response
Error correc
-
tion
ERROR ERROR
Unit faulty / malfunction
FOU Replace device�
Off
Off
Supply voltage too low
Off Check the supply voltage�
Change [diS.B] setting (→
9�6�1)�
PArA
Parame-
ter Error
Parameter setting outside
the valid range
FOU Repeat parameter setting�
ERROR Pressure
Error
Error in pressure meas-
urement
FOU Check pressure measure-
ment� Replace device�
ERROR
Flow
Error
Error in flow measurement FOU Check flow measurement�
Replace device�
ERROR
Temp
Error
Error in temperature meas-
urement
FOU Check temperature meas-
urement� Replace device�
cr�OL
Critical
over
limit
Detection zone* exceeded FOU Check flow range / tem-
perature range / pressure
range�
cr�UL
Critical
under
limit
Detection zone* not
reached
FOU Check temperature range�
OL
Over
limit
Detection zone* exceeded� OU Check flow range / tem-
perature range / pressure
range�
UL
Under
limit
Detection zone* not
reached
OU Check flow range / tem-
perature range / pressure
range�
Lock via
key
---
Setting buttons on the unit
locked, parameter change
rejected
OU
Unlock unit → 9.1.3
*
Detection zone → 3.2, Figure 1.
Error
In the event of an error, the outputs react according to the setting under
[FOU1] and [FOU2] (→ 9.6.10).
Warning