AmeriWater 000-HS120, Operation & Maintenance Manual

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59
098-0007 Rev B
 Check diagnostics page 2,
FS2 should be displayed as
“Open”
Active alarms preventing
operation  Verify that there are no
active alarms.
Water does not pass
through device in standby
Valve SV4 has failed closed
 Shut power off to the
Centurion Plus Heat
disinfection device. Water
should pass through with
power off
 If water does not pass
through device, disconnect
RO from Centurion Plus Heat
disinfection device to
continue patient treatment
Valve SV1 has failed in the “N.C”
position (diverts all water to
tank)  Check float switch status on
Diagnostics page 2.
Water does not drain from
tank during manual tank
drain mode
System pump failure
 See “Pump does not turn on”
section
Valve SV2 failed in normal
position (closed to drain)
 Verify there is water in tank
of system using diagnostics
menu
 Manually activate pump and
valve SV2. Water should be
pumped out of the system
drain port when the feed
water RO is off
 If water does not exit device
through drain port valve SV2
is not functioning properly

Manually activate valve SV3
and place the system into
tank drain mode as a tank
drain back up
Lower float switch fails open
causing false tank level display  Remove tank lid to verify the
water level in the tank
Hot water sent to drain
during dispensing mode
Valve SV2 failed open
 Fill the tank on the Centurion
Plus with water
 Shut off the feed water RO
 Manually turn on the pump.
Verify that water does not
exit the system drain port
MROC break tank over flows
during dispensing mode Valve SV3 fails in normal
condition (Open to RO return)

Fill tank on Centurion Plus
with RO water
 Shut off MROC
 Manually turn on valve SV3
using diagnostics menu
 Manually turn on pump
 Verify that water exits device
through system drain port