Troubleshooting
Instruction Manual ScrubberGuard
14830E/2
111
The following warning messages can be displayed:
WARNING MESSAGE
DESCRIPTION
POSSIBLE CAUSES
V IN
The input voltage is out-
side the permitted range
(24 VDC ± 10%).
▪
The service voltage is faulty.
ADJUST FAULT
Recalibration could not be
carried out.
▪
The instrument is soiled.
▪
The nominal value for the ad-
justment does not match the
value of the medium.
CURRENT 1 .. 8
Current output 1 .. 8 is dis-
turbed.
▪
Terminals are open.
▪
Interruption of the current
loop of the measuring value
output.
VENTILATOR
The fan does not reach its
nominal speed.
▪
Fan is defective.
WATCHDOG
The internal fault monito-
ring has been actuated.
The program has been
restarted.
▪
Program crash.
SERVICE
Shows when service work
is due.
MEASURING
Measuring problem with
Hamilton sensor.
▪
Temperature or measuring va-
lues are unstable or outside
the permitted range.
CALIBRATION
Calibration problem with
Hamilton sensor.
▪
Calibration recommended.
▪
Last calibration not successful.
INTERFACE
Connection problem with
Hamilton sensor.
▪
Electrical connection of this
sensor (ECS) is outside the
range.
HARDWARE
Hardware problem with
Hamilton sensor.
▪
Supply voltage outside range.
QUALITY
A Hamilton sensor reports
a quality value under
35 %.
▪
The calibration was incorrectly
performed or was faulty.
▪
If the fault continues after re-
peated cleaning and calibra-
tion, the sensor must be repla-
ced.
OVER TEMP
A Hamilton sensor reports
the temperature is too
high.
▪
Medium or ambient tempera-
ture too high.
▪
Temperature measurement
defective.
FLOW RATE
The flow rate through the
measuring instruments is
too low.
▪
Failure of a circulation pump.
▪
Flow meter defective.