INSTRUCTION MANUAL AquaScat 2
Troubleshooting
70
11778E/1
9.3.
Warning and error messages
9.3.1.
Warning messages and effect on operation
WARNING:
If a warning occurs during operation, it has
the following effects:
Warnings indicate an unusual state.
The system continues to operate and
delivers correct measuring values. The
cause of the warning message should
be remedied at the next possible op-
portunity.
If an output for warnings is pro-
grammed, it is activated.
When the cause of the warning has
been remedied, it is automatically de-
leted.
When the
Warning
message occurs, the
color of the status display changes to
or-
ange
and the warning text describes what
the warning is about.
(Example:
WARNING CURRENT 1
)
The following warnings can be displayed:
WARNING
MESSAGE
DESCRIPTION
POSSIBLE CAUSES
V IN
The input voltage is outside the
permitted range (18-30 VDC).
The service voltage is faulty.
ADJUSTMENT
ADJUST FAULT
The adjustment of the instru-
ment could not be performed.
Ensure that the outlet cone is
correctly mounted as described
in Section 8.5.
The instrument is soiled.
The nominal value for the ad-
justment does not match the
value of the checking unit.
CURRENT 1..8
Current output 1..8 is disturbed.
Terminals open.
Interruption of the current loop
of the reading output.
FLOW
(Name ext.in.)
A flow rate fault is signaled via
the digital input.
Flow rate incorrect.
VENTILATOR
The fan does not reach its nomi-
nal speed.
Fan is defective.
WATCHDOG
The internal error monitoring has
been actuated. The program has
been restarted.
Program crash.
