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B e f o r e B e g i n n i n g
( c o n t i n u e d )
❏
Find the wiring and equipment diagrams that were shipped with your heater. These dia-
grams are the best reference for correcting a problem. The diagrams also will note any custom
features, such as special wiring or alarm capabilities, not covered in this User Guide.
6
Troubleshootin
g
A F e w W o r d s o f C a u t i o n
The HTC process air heater is equipped with numerous safety devices. Do
not remove or disable them. Improper corrective action can lead to hazardous
conditions and should never be attempted to sustain production.
WARNING: Only qualified service personnel should examine and correct
problems that require opening the dryer’s control center or using electri-
cal wires to diagnose the cause.
WARNING: High voltage. Always stop the HTC process air heater, discon-
nect and lock out the main power source before troubleshooting or per-
forming repairs.
CAUTION: Hot surfaces. Always protect yourself from hot surfaces inside
and outside of the heater.
Tr o u b l e s h o o t i n g l
6 - 3
See warnings
below. Open the
control center to
check fuses and
heater contactors.
Summary of Contents for Hopper Temperature Controller
Page 6: ...iv l Table of Contents...
Page 12: ...1 6 l Introduction...
Page 20: ...2 8 l Description...
Page 62: ...4 26 l Operation...
Page 80: ...6 16 l Troubleshooting...