43
098-0010 Rev C
6
WARNING INFORMATION AND CHECKS
Warnings are advisories. The machine will not stop but action should be taken to correct the fault.
Warning
Description
Reason
Checks
Proposed Actions
WARNINGS
Time Date Not
Set Warning
Timer mode is on but there are
no schedules set for either Supply
or Heat Disinfection
1) RO Supply Schedule and RO Heat
Disinfect Schedule have no times set for
Mon thru Sunday setups. An Operator put
the RO unit into Timer Mode with no
schedules set
1) Program times to schedule
2) Run in Continuous Mode
Operation
Reset Error
Warning
A function button on the
Operation Menu screen has been
selected more than 3 times in 3
minutes
1) Function button depressed more than 3
times in 3 minutes
1) Alarm Reset
Feed Tank Low
Level Warning
Low Level Float Switch (second
from bottom) opened during
operation
X4 off
1) Check Tank level is actually below float
2) Check feed water supply and valves
3) Check tank drain valve is closed
4) Verify inlet solenoid valve is working
5) Check strength of flow
6) Check if diffuser is plugged
1) Open closed valve on feed
2) Close tank drain valve
3) Replace inlet solenoid
4) Address feed water issue
5) Remove and rinse diffuser
Level Sensor
Error Warning
Float switches operated out of
sequence
1) Check PLC for X6-High Level; X5-Mid
Level; X4-Low Level; X3-Base Level
1) Check float switches.
High Pressure
RO1 Warning
Stage 1 Pump Pressure Switch
(PS2) registers value higher than
set-point on pressure switch
X7 off
1) RO1 Membranes are blocked / failed
2) Concentrate valve on RO1 closed
3) Check pressure switch set-point by
comparing gauge reading
1) Check valve status
2) Perform chemical clean
3) Adjust set-point
High Pressure
RO2 Warning
(MDP only)
Stage 2 Pump Pressure Switch
(PS3) registers value higher than
set-point on pressure switch
X11 off
1) RO2 Membranes are blocked / failed
2) Concentrate valve on RO1 closed
3) Check pressure switch set-point by
comparing gauge reading
1) Check valve status
2) Perform chemical clean
3) Adjust set-point
Содержание MediQA
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