Hose Heat System
Before performing any troubleshooting procedures:
1. Relieve Pressure. See
Pressure Relief Procedure, page 42
2. Turn main power switch OFF.
3. Allow equipment to cool.
Problem
Cause
Solution
Ambient temperature is too cold.
Relocate hoses to a warmer area
or recirculate heated fluid through
the hose.
FTS failed or not installed correctly. Check FTS, see
.
Hose heats but heats slower
than usual or it does not reach
temperature.
Low supply voltage.
Verify line voltage. Low line
voltage significantly reduces
power available to the hose heat
system, affecting longer hose
lengths.
A and B setpoints too low.
Increase A and B setpoints.
Hose is designed to maintain
temperature, not to increase it.
Ambient temperature is too cold.
Increase A and B setpoints to
increase fluid temperature and
keep it steady.
Flow too high.
Use smaller mix chamber.
Decrease pressure.
Hose was not fully preheated.
Wait for hose to heat to correct
temperature before spraying.
Hose does not maintain
temperature while spraying.
Low supply voltage.
Verify line voltage. Low line
voltage significantly reduces
power available to the hose heat
system, affecting longer hose
lengths.
A and/or B heaters are overheating
material.
Check primary heaters for either
a RTD problem or a failed
element attached to RTD, see
Electrical Schematics, page 89
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.
Hose temperature exceeds
setpoint.
Ambient temperature is too high.
Cover hoses or move to a location
with a lower ambient temperature.
333024A
37
Содержание Reactor 2 E-30
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