Troubleshooting
Error Location Type Description
Cause Solution
High ambie nt
temperature.
Ensure ambient
tempera ture is below
120°F(48°C) before using
the system.
Enclosure fan not
operating.
Ensurefaninelectrical
enclosure is spinning. If it
is not, check fan wiring or
replace fan.
T4CT TCM
High Temperature
TCM
Module fan not
operating.
If a TCM fan error (WMI0)
has occurred, fan inside
themoduleisnotworking
properly. Check TCM fan
for debris and clear with
forced air if necessary.
Bad RTD or bad
RTD placement
against heater.
Swap A and B heater output
cables and RTD cables and
see if issue follows. If so,
replace RTD.
T4DA Heater A High Temperature A
Flow too high
for temperature
setpoint, causing
temperature
overshoots when
gun is de-triggered.
Use a smaller mix chamber
that is rated for the unit in
use.
Bad RTD or bad
RTD placement
against heater.
Swap A and B heater output
cables and RTD cables and
see if issue follows. If so,
replace RTD.
T4DB Heater B High Temperature B
Flow too high
for temperature
setpoint, causing
temperature
overshoots when
gun is de-triggered.
Use a smaller mix chamber
that is rated for the unit in
use.
334946A 31
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