Graco Reactor 2 H-30 Repair Parts page 43

Problem
Problem Problem
Hose temperature exceeds
setpoint.
Erratic hose temperature.
Hose does not heat.
334946H
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. Check connections. Repair as
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 64.
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
64.
FTS should be installed close to
end of hose in same environment
as gun. Verify FTS installation,
see Repair Fluid Temperature
Sensor (FTS), page 64.
necessary.
Reset breakers (CB11 and/or
CB15), see Repair Circuit Breaker
Module, page 66.
Turn on hose heat zone.
Check. Increase if necessary.
102.
65.
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