18
807042 v1.00 03.21 HydroTap G5 UltraCare Install Instruct
System fault
message
Possible cause
Recommended
action
Fault stops
showing when:
UV Not Present
a. UV-C Module USB-C
cable is not connected
correctly to the UV PCB
b. UV-C Module cable is
faulty
c. UV IO PCB is faulty
Check that the
UV-C Module USB
cable is correctly
plugged into the
HydroTap
UV-C Module
is connected
properly (power
does not have to
be on)
UV Over Temp
Internal
temperature is
greater than 55°C
a. There is a kink in the hose
preventing cold water
being dispensed
b. Cold Pump is not
dispensing water
c. UV-C Module is faulty
d. UV PCB is faulty
Verify that water
is flowing through
the UV-C Module
when attempting
to dispense
UV-C Module cools
down and reports
that its internal
temperature has
returned to 40°C or
lower
UV Under Current
Tried to dispense
cold water and
current of UV-C
Module not
at minimum
threshold.
a. The 12V external power
supply is not connected
to the mains power outlet
and/or the G5 HydroTap
b. The 12V external power
supply is faulty
c. UV-C Module is faulty
d. UV IO PCB is faulty
Check power
supply is correctly
plugged in and
turned on. Turn the
HydroTap off and
then on.
Power turned off,
then on.
UV Over Current
Tried to dispense
cold water and
current of UV
filter greater
than maximum
threshold.
a. UV-C Module is faulty
b. UV PCB is faulty
Turn power off,
then on.
Power turned off,
then on.
UV Comms Error
No communication
to the UV IO PCB.
a. UV PCB is faulty
b. Ribbon cable connecting
the UV PCB and the LCD
PCB is faulty.
N/A
Communication
restored.
Troubleshooting
The UltraCare UV-C Module may cause the following fault codes.
