Troubleshooting - Hach HIAC PODS GLYCOUNT Manuel D'utilisation De Base

Troubleshooting

For help with potential problems, refer to
If the program malfunctions and the instrument needs to be reset to the
default settings, push and hold F4 while the power is cycled.
Note: This erases all buffer contents and all of the operation variables to their
factory settings. A default message and the firmware part number are shown as the
instrument initializes its systems again.
Table 7 Critical errors
Error Possible cause
Flow controller The unit is unable to find
failure the HOME switch on the
flow controller during
system initialization or at
the end of a sample test.
There is a flow controller
malfunction.
There is trapped air in the
internal hydraulic tubing.
(PODS only)
The instrument was not
purged before a change in
the viscosity of the sample
fluid occurred. (PODS
only)
Table 7 and Table 8.
Solution
Start the instrument again.
Contact technical support.
Remove the air from the internal
hydraulic tubing including the
clean-out port with a clean fluid.
Clean the system with a new
fluid.
Table 7 Critical errors (continued)
Error Possible cause
Flow regulation The external pressure was
failure decreased during the
sample test.
The instrument was not
purged before a change in
The viscosity of the
sample fluid occurred.
The amount of sample
fluid is not sufficient.
There was an attempt to
flush the system.
(GlyCount only)
Low flow rate, External pressure was
possible high decreased during sample
viscosity test.
The instrument was not
purged before a change in
the viscosity of the sample
fluid.
The sample fluid viscosity
is too high. (PODS only)
The pick-up tube cap was
not removed.
Solution
Make sure that the external air
source is stable and set near
100 psi. Make sure that there
are no leaks on the sample cup
O-ring.
Purge the instrument.
Add more sample fluid.
Flush the instrument. Make sure
that sample fluid stays in the
flow path.
Make sure that the external air
source is stable and set near
100 psi. Make sure that there
are no leaks on the sample cup
O-ring.
Purge the instrument.
Decrease the flow rate or dilute
the sample with a suitable clean,
filtered and miscible fluid that will
decrease the sampling viscosity
to within the range of the counter
(10–424 cSt).
Remove the cap.
English 19