MIOX RIO-S Series Operators Manual
102-00130-D
Page
58
System Display
Fault
Cause (most likely
to least likely)
Remedial Action
High Flow Control
Signal
Flow control is not
reaching target set-
point
1)
Valve open but
not seeing any
flow
2)
Loose connection
within cable
1)
Verify water flow
and pressure is
within specification
2)
Check for proper
wiring
3)
Reset valve per
Flow Control Reset
Procedure pg 63
High Diode Temp
Diode rectifier
temperature switch
tripped, located on
back side of heat
sink inside
switchgear
enclosure
1)
Insufficient air
cooling to
rectifier
2)
Clogged air filter
3)
Ambient
temperature
above
specification
1)
Verify cooling fan is
operational
2)
Replace air filter
3)
Lower ambient
temperature
4)
Contact MIOX
Customer Service
Hardness Monitor
Fault
Hardness monitor
trips while running.
1)
Hardness
monitor state
change
2)
Hardness
monitor failure
1)
Correct hardness
monitor failure
2)
Contact MIOX
Customer Service
Hydrogen Monitor
Fault
Hydrogen monitor
trips while running.
1)
Hydrogen
monitor state
change
2)
Hydrogen
monitor failure
1)
Correct hydrogen
monitor failure
2)
Contact MIOX
Customer Service
Low Ext. Dilution
Air Flow
Dilution air status
signal off when
Dilution air enable
signal on.
1)
Dilution air
system state
change
2)
Dilution air
system failure
1)
Correct dilution air
system failure
2)
Verify air flow
3)
Contact MIOX
Customer Service
Low UPS Battery
Voltage
UPS Battery has
failed or lost
power/connection
1)
UPS battery is
depleted
2)
Lost connection,
loose wire
1)
Recharge or re-
place UPS
2)
Check for loose
wires
3)
Contact MIOX
Customer Service
Phase Monitor
Fault
Improper phase or
voltage detected
1)
Loss of 3-phase
2)
Phase monitor
failure
1)
Verify proper 3-
phase is applied to
OSG
2)
Contact MIOX
Customer Service
Current Sensor
Signal Loss
Invalid or no signal
from current sensor
1)
Current sensor
failure
2)
Poor connection
within sensor
cable
1)
Replace failed
sensor
2)
Check for proper
wiring
Undefined Tank
Level
Incorrect wiring of
floats
1)
Tank floats
incorrectly wired
1)
Check wiring of
floats or
sensor/transducer
