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45
8. TROUBLESHOOTING
Malfunctions
Symptom
Possibility of a malfunction
Countermeasures
No power
●
Power cable not connected securely
Reinsert the power cable
Confirm connection
●
Facility power supply is defective or
does not properly meet unit rating
Confirm facility power supply is
single phase AC100V~240V
No (or poor) water
flow
●
Water tap outlet opening too small
Use wider-mouthed tap outlet
●
Insufficient water supply pressure or
water supply has been cut off
Confirm that water supply tap is
turned on
●
Water supply hose not connected
securely
Reconnect water supply hose
Confirm connection (See pgs. 9 &
Water sample
cannot be drawn
●
Pre-process cartridge, ion exchange
resin cartridge or membrane filter is
clogged
Confirm whether items have gone
without being replaced for longer
than designated
●
Water supply solenoid valve or water
sampling solenoid valve is defective
Replace
Water sample size
is too small
●
Water temperature is too low (<9°C)
Operate unit within specified water
supply temperature range (10°C ~
30°C)
●
Reverse Osmosis (RO) membrane is
clogged
Replace
●
Initial wash switch is ON
Turn initial wash switch OFF.
Water sample size
is too large
●
Water temperature is too high
(>30°C)
Operate unit within specified water
supply temperature range (10°C ~
30°C)
●
Reverse Osmosis (RO) membrane is
damaged
Replace
Water quality is
degraded
●
Reverse Osmosis (RO) membrane
has not had initial wash
Run initial wash for reverse osmosis
(RO) membrane, if it has not been
done yet (See P.15).
●
Ion exchange resin cartridge is
deteriorated
Sample about 10
ℓ
If water quality does not improve,
replace the ion exchange resin
cartridge.
●
Air remaining in ion exchange resin
cartridge
●
Ion exchange resin cartridge has
gone unused for an extended period
of time
Summary of Contents for Pure Line WE200
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