Troubleshootin
g
Problem
Cause Solution
A and/or B heaters are overheating
material.
Check primary
heaters for either
a RTD problem o
r a failed
element attac
hedtoRTD,see
Electrical Sc
hematics, page 106.
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 tem
perature is too high.
Cover hoses or move to a location
with a lower ambient 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.
Hose temperature exceeds
setpoint.
If Hose Resistance Mode is
enabled, the calibration factor may
be inaccurate.
Re-calib
rate the hose. Follow the
Calibrat
ion Procedure, page 75.
Faulty
FTS connections.
Verify
that all FTS connections are
snug an
d that pins of connectors
are cle
an. Unplug and re-plug
FTS wir
es along length of hose,
cleani
ng 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 74.
Erratic hose temperature.
Miss
ing or damaged insulation
arou
nd FTS, causing the hose
hea
t to be ON constantly.
Make
sure the hose bundle
has a
dequate insulation evenly
cov
ering the entire length and
con
nection joints.
333024N 45
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