Troubleshooting
HFP SERIES HEAVY FUEL PREHEATERS
Scope
The troubleshooting tables in this document identify the most likely problems that may be encountered with HFP series heavy fuel preheaters. For additional information see the following:
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Tec-Note 12-04-152 Installation...
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Tec-Note 8-04-144 Setting Yokogawa controller...
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Tec-Note 12-04-153 Operation...
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Tec-Note 12-04-154 Maintenance...
Intended users
This information is intended for use by qualified technicians. The troubleshooting information assumes that the technician is familiar with operation of the preheater as described in other Heatec documents. Accordingly, this document does not provide detailed steps for operating the preheater. Moreover, we assume that qualified technicians know how to use tools and test instruments that may be required to check and adjust the heater.
Don’t overlook the simple things
Make sure that electrical power is turned on. We often overlook the simple, obvious causes of problems and look for more complex answers.
Live circuits inside the control panel
Be aware that certain preheater control panels have electrical circuits that are not shut off by the rotary door-mounted handle. Panels that combine Heatec heater controls and Astec plant controls may include live circuits controlled by circuit breakers elsewhere in the plant. Consequently, shutting off the main breaker inside the panel does not remove all power to components within the panel.
Technical Support
If you have a problem that you can’t resolve, call our service department (1-800-235-5200). Even if you are not able to solve the problem without our help, your efforts to do so before calling will pay off. You will gain familiarity with the product and be in a better position to describe the problem to our service personnel.
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