Graco Reactor 2 Repair Parts page 45

Problem
Problem Problem
Hose temperature
exceeds setpoint.
Erratic hose
temperature.
Hose does not heat.
334946J
Cause Cause Cause
A and/or B heaters are overheating
material.
Faulty FTS connections.
Ambient temperature is too high.
Hose insulation over the FTS
location is damaged.
If Hose Resistance Mode is enabled,
the calibration factor may be
inaccurate.
Faulty FTS connections.
FTS not installed correctly.
Missing or damaged insulation
around FTS, causing the hose heat
to be ON constantly.
FTS failed.
FTS not installed correctly.
Loose hose electrical connections.
Circuit breakers tripped.
Hose zone not turned on.
A and B temperature setpoints too
low.
Troubleshooting
Solution
Solution Solution
Check primary heaters for either
an RTD problem or a failed
element attached to RTD, see
Electrical Schematics, page
Verify that all FTS connections are
snug and that pins of connectors
are clean. Unplug and re-plug RTD
wires, cleaning off any debris.
Cover hoses or move to a location
with a lower ambient temperature.
Replace damaged insulation.
Re-calibrate the hose. Follow the
Calibration Procedure, page
Verify that all FTS connections are
snug and that pins of connectors
are clean. Unplug and re-plug FTS
wires along length of hose, cleaning
off any debris.
FTS should be installed close to
end of hose in same environment
as gun. Verify FTS installation, see
Repair Fluid Temperature Sensor
(FTS), page 67.
Make sure the hose bundle has
adequate insulation evenly covering
the entire length and connection
joints.
Check FTS, see Repair Fluid
Temperature Sensor (FTS), page
FTS should be installed close to
end of hose in same environment
as gun. Verify FTS installation, see
Repair Fluid Temperature Sensor
(FTS), page 67.
Check connections. Repair as
necessary.
Reset breakers (CB11 and/or CB15),
see Repair Circuit Breaker Module,
page 69.
Turn on hose heat zone.
Check. Increase if necessary.
105.
68.
67.
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