Troubleshooting
Instruction Manual ScrubberGuard
14830E/2
113
FAULT MESSAGE
DESCRIPTION
POSSIBLE CAUSES
SERIAL 1 .. 8
The photometer cannot es-
tablish a connection to the
Hamilton sensor (slave
number 1 .. 8).
▪
Interrupted connection to sen-
sor 1 .. 8.
▪
Defect in the electronic sys-
tem.
→
Service technician
WATER SHORTAGE
The flow rate is too low.
▪
Too little water in the sample
line.
▪
Feed pump is defective.
▪
Inlet valve is blocked.
MEASURING
Measuring problem with
sensor.
▪
Temperature or measuring
values are unstable or outside
the permitted range.
INTERFACE
Connection problem with
Hamilton sensor.
▪
mA value outside range.
▪
ECS (electrical connection of
this sensor) is outside the
range.
HARDWARE
Hardware problem with
Hamilton sensor.
▪
Supply voltage outside range.
CALIBRATION
Calibration problem with
Hamilton sensor.
▪
Calibration recommended.
▪
Last calibration not successful.
SCRUBBER SYS.
The ScrubberController has
detected a fault.
▪
Connection between AquaS-
cat SG and ScrubberController
has been interrupted. (Menu:
Scrubber\System code
FFFFFFFF)
▪
The ScrubberController has
detected an internal fault.
▪
The flow rate is too high or
too low.
▪
The pumps are not working.
▪
The valves are not working.
ANALOG IN 1/2
The input signal on analog
input 1 is less than the
fault limit.
▪
There is no input signal.
IO PORT
The connection between
the NG_Haupt PCB and
AQ2Basi PCB has been dis-
turbed.
▪
Cable disconnected.
▪
Plug connection defective.
Table 4: Possible fault messages
