AmeriWater MediQA, Diagnostics Manual

Page: 47 / 66

45
098-0010 Rev C
Loop Flow
Rate High
Warning (MSP
only) High Flow Warning Set-point
Exceeded 1) Check High Flow Warning set-point
2) Check loop flowmeter reading on
Activity Details screen
3) Check wiring to flowmeter
4) With no HD machines running, check
loop return flowmeter and compare to
screen reading 1) Adjust set-point to default
Loop Flow
Rate Low
Warning (MSP
only) Low Flow Warning Set-point
Exceeded 1) Check Low Flow Warning set-point
2) Check loop flowmeter reading on
Activity Details screen
3) Check wiring to flowmeter
4) With no HD machines running, check
loop return flowmeter and compare to
screen reading 1) Adjust set-point to default
Heater
Contactor
Fault Warning Heater Contactor not closed
Y4 on, X10 off 1) Check the controller to validate that
output Y4 has fired.
2) Check input X10
3) Check contactor for closure 1) Replace contactor as necessary
Loop Return
Valve Position
Warning In operation, the Loop Return
Valve is not sending close limit
after 30 seconds
X22 on, Y21 off 1) Check the controller to validate that
output Y21 has fired.
2) Check input X22
3) Check valve for closure 1) Replace valve as necessary
Permeate
Valve Position
Warning Permeate Valve not closed after
30 seconds
X13 off 1) Check input X13
2) Check valve for closure 1) Replace valve as necessary
Chemical
Clean Overdue
Warning
Zero days left on Clean Reminder 1) Check Clean Reminder set-point 1) Conduct chemical clean
2) Follow steps in Section 9.5
RO Heat
Disinfect 3
Failed
Attempts
Warning Heat Disinfect not complete 3
consecutive weeks 1) Review alarm log
2) Check RO Heat Disinfect is not manually
aborted 1) Complete manual RO Heat
Disinfect