Millipore direct-q 3 R, Руководство пользователя

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69
Troubleshooting
Problem Possible causes What to do
The Display screen is blank. •
The power cord is not plugged in.
• No source of electrical power.
•
Main Power Fuse is blown.
•
Check that the power cord is
plugged in.
•
Check the source of electrical
power.
•
Contact your technical support.
In FILLING TANK mode, the
Tank Level display is not
rising.
(The Tank Level display
should be rising steadily.)
•
The Tank Outlet Valve is open. The
water in the tank is diverted into
the drain. No water is kept in the
tank.
•
The tank level is not calibrated
properly.
•
The RO membrane is dirty or
clogged.
•
Close the Tank Outlet Valve.
•
Check the Feedwater source.
•
See
Section How to Calibrate the
Tank Level (C04).
•
Replace the SmartPak cartridge.
Low water flow or no water
flow when the Dispensing
Button is pressed. •
The water level is less than 10%.
No dispensing is allowed.
•
The Tank Outlet Valve is open. The
tank is not filling up with water.
•
Millipak Filter is air locked.
•
Final Filter is clogged.
•
Allow the system to go into
FILLING TANK mode until there is
enough water available in the tank,
viewed by the Tank Level display.
• Close the Tank Outlet Valve.
•
Vent all air from the Millipak Filter.
•
Replace the Final Filter, see
Section
How to Replace the Final Filter.
DISPENSING mode
continuously runs even
when the Tank Level display
is below 10%.
•
The water level is not calibrated.
The system does not detect the
minimum level to disable
DISPENSING mode.
•
Calibrate the tank level. See
Section How to Calibrate the Tank
Level (C04).
AUTO-DISPENSING mode is
not accurate. •
The Product Water flowrate is not
calibrated.
•
The Final Filter is clogged or
airlocked.
•
Calibrate the Product Water
flowrate. See
Section How to
Calibrate the Flowrate from the
Direct-Q R
(F02)
.
•
Replace the Final Filter.
The last RO Permeate
conductivity value is not
displayed when you press
the “+” button. • The measurement was not made
while dispensing water during
FILLING TANK mode.
•
The value is out of measurement
range.
• Dispense water during FILLING
TANK mode to start a RO Permeate
conductivity reading again.