Error Messages; Replacement Parts And Accessories - Hach WPC-21 Manual Del Usuario

Troubleshooting
Problem
POWER light does There is no power to the instrument or the
not come on power switch is set to off.
ALARM light on A network alarm is active.
Note: A network alarm is only activated and
deactivated by the network software.
ALARM light flashes A Count alarm (stand alone instrument only)
or a Flow alarm is active.
Note: If a Count alarm is active, the ALARM light and
the channel with an alarm flashes on the display.
SENSOR light on A high calibration error is active. The sensor is
contaminated or the laser diode is losing
power.
SENSOR light A low calibration error is active. The
flashes photodiode is saturated and should be
cleaned, adjusted or replaced.
Two or more Two or more instruments have the same
instruments do not address. The instruments with the same
respond to the address will not respond to the monitoring
monitoring software software.

Error messages

Message
CAL A high or low calibration error is active.
FLOW The external flow monitoring device has
triggered a Flow alarm.

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.
Replacement parts
Description
Ferrule, 6 mm, adapter for 0.25-in. compression fitting
Cleaning brush kit, with two 1 µm brushes, for WPC-22
Cleaning brush kit, with two 2 µm brushes, for WPC-21
22 English
Possible cause
Possible cause
W A R N I N G
Make sure that the power switch is set to
on. Make sure that there is power to the
instrument.
Refer to Configure the particle counter
on page 16 to configure the Count alarm
settings.
Clean the flow cell. Refer to
sensor flow cell
If the high calibration error continues,
contact technical support.
Clean the flow cell. Refer to
sensor flow cell
If the low calibration error continues,
contact technical support.
Switch the monitoring software off and
assign a unique address to the
instruments that have the same address.
Refer to the Unit ID option in
the particle counter
Solution
Clean the flow cell. Refer to
on page 19.
If the calibration error continues, contact technical
support.
Refer to Connect the digital input (optional)
Solution
—
Clean the
on page 19.
Clean the
on page 19.
Configure
on page 16.
Clean the sensor flow cell
on page 11.
Item no.
MP000147-01
SA000120-02
SA000120-01