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