AmeriWater 00HRO64800, Operation & Maintenance Manual

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SECTION 7, TROUBLESHOOTING AND REPAIR
7.1 TROUBLESHOOTING CHART
WARNING: Only those persons who have read the complete operations manual or
who have received authorization from the medical facility director should
attempt to troubleshoot and/or repair the RO+ system.
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
RO+ will not start RO+ not plugged in
Circuit breaker blown
RO+ in a FAULT condition
Plug into electrical outlet.
Reset the breaker.
Check RO+ controller display
for FAULT condition and
correct the FAULT.
System has power but no
water flow Feed source not open
Feed pressure < 20 PSI
Prefilter clogged
Feed solenoid is not
operating
Open Incoming Tap Water
valve.
Increase pressure to > 20
PSI.
Check the prefilter gauges for
pressure drop; replace the
prefilter if the pressure drop
is 10 PSI greater than
intitially recorded.
Test the solenoid (see
Section 7.4). Replace the
valve if it is defective.
Pump making excessive
noise Low pressure or flow rate
feeding the RO+
Pump motor or impeller
failing
Check the prefilter outlet
gauge PSI (must be > 20
PSI), and verify that the
product flow (flowmeter) is
within range (see Sections
2.1 & 2.2)
Check PUMP PSI GAUGE to
verify that it is within
operating parameters.
Replace the pump assembly
if necessary (see Section
7.6).