MIOX RIO-S Series Operators Manual
102-00130-D
Page
57
System Display
Fault
Cause (most likely
to least likely)
Remedial Action
Oxidant or Water
Side Panel Open –
Bank 1-4
Panel removed with
power applied to
unit
1)
Panel removed
prior to
disconnecting
power
2)
Interlock failure
or misaligned
1)
Replace panel and
follow Manual Reset
pg 53
2)
Verify interlock
aligns via HMI Set-
up
3)
Contact MIOX
Customer Service
Switchgear
Cabinet Door
Open
Switchgear door
removed with
power applied to
unit
1)
Door opened
prior to
disconnecting
power
2)
Interlock failure
or misaligned
1)
Close door and
follow Switchgear
Door Reset pg 53
2)
Verify interlock
aligns via HMI Set-
up
3)
Contact MIOX
Customer Service
Emergency Stop
Panel/door interlock
tripped or E-Stop
triggered
1)
E-Stop button
pressed
1)
Rotate E-stop
button and follow
Reset pg 53
Low Water Flow –
Bank 1-4
20% decrease in
water flow rate for
45 seconds
1)
Low water
pressure
2)
Water boost
pump failure
1)
Verify water flow
and pressure is
within specification
2)
Verify water boost
pump is operational
Low Low Water
Flow – Bank 1-4
50% decrease in
water flow rate –
immediate response
1)
Loss of water
flow and
pressure
2)
Water boost
pump failure
1)
Verify water flow
and pressure is
within specification
2)
Verify water boost
pump is operational
High Flow Fault –
Bank 1-4
Flow rate increase
above specified set-
point
1)
Open isolation
valve on disabled
bank
1)
Verify bank isolation
valves align with
enabled banks
Low Water
Temperature
Feed water
temperature less
than 40° F.
1)
Water too cold
feeding system
2)
Inlet
temperature
thermowell
failure
1)
Install water heater
2)
Contact MIOX
Customer Service
High Water
Temperature
Inlet water temp
greater than 95° F.
1)
Water too hot
feeding system
2)
Inlet
temperature
thermowell
failure
1)
Install water chiller
2)
Contact MIOX
Customer Service
