Graco Reactor 2 Repair Parts page 31

Error Location
Error Error Location Location
T4DA Heater A
T4DB Heater B
T4DH Hose
334946J
Type Description
Type Type Description Description
High Temperature
A
High Temperature
B
High Temperature
Hose
Cause Cause Cause Solution
Solution Solution
Module fan not If a TCM fan error
operating (WMI0) has occurred,
fan inside the module
is not working properly.
Check TCM fan for debris
and clear with forced air
if necessary.
Bad RTD or bad Swap A and B heater
RTD placement output cables and RTD
against heater cables and see if issue
follows. If so, replace
RTD.
Flow too high Use a smaller mix
for temperature chamber that is rated
setpoint, causing for the unit in use.
temperature
overshoots
when gun is
de-triggered
Bad RTD or bad Swap A and B heater
RTD placement output cables and RTD
against heater cables and see if issue
follows. If so, replace
RTD.
Flow too high Use a smaller mix
for temperature chamber that is rated
setpoint, causing for the unit in use.
temperature
overshoots
when gun is
de-triggered
Hose portion
Shade exposed hose from
exposed to an
hot sun or expose FTS to
excessive heat
same environment when
source, like hot
at rest. Uncoil entire
sun or coiled
hose before heating to
hose, can pass
avoid self-heating.
fluid more than
27°F (15°C) over
hose temperature
setting to the FTS
Setting the A Increase hose setpoint
or B setpoint so it is closer to A and B
much higher than setpoints.
hose setpoint
can cause fluid
more than 27°F
(15°C) over hose
temperature
setting to reach
the FTS.
Troubleshooting
31