Operation; Maintenance; Troubleshooting; Replacement Parts And Accessories - Hach POLYMETRON 8544 Manuel D'utilisation

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Operation

Burn hazard. The electrovalve surface gets hot. Do not touch.
Set the instrument to on to start the cleaning cycle.
If a junction box and a controller is used, configure the cleaning at the controller. Refer to the
controller documentation.
The user can manually start a cleaning cycle with the switch button in the junction box or the manual
start button. Refer to
Figure 2

Maintenance

Look for leaks
Burn hazard. The electrovalve surface gets hot. Do not touch.
Chemical exposure hazard. Obey laboratory safety procedures and wear all of the personal protective
equipment appropriate to the chemicals that are handled. Refer to the current safety data sheets
(MSDS/SDS) for safety protocols.
Before each use, examine all of the connectors, valves and other components for leaks. Repair leaks
as necessary.

Troubleshooting

Problem
The cleaning reagent
pressure is not
sufficient.
The system is off.

Replacement parts and accessories

Personal injury hazard. Use of non-approved parts may cause personal injury, damage to the
instrument or equipment malfunction. The replacement parts in this section are approved by the
manufacturer.
Note: Product and Article numbers may vary for some selling regions. Contact the appropriate distributor or refer to
the company website for contact information.
16 English
W A R N I N G
on page 7.
W A R N I N G
C A U T I O N
Possible cause
The tube distance is too
long.
Power is not supplied to
the instrument.
W A R N I N G
Make sure that the distance between the instrument and
the cleaning container is less than 2 m (6.6 ft).
Make sure that power is supplied to the instrument and
the instrument switch is set to on. If there is power and the
instrument does not start, contact technical support.
Solution

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