TROUBLESHOOTING
8-1
Chapter 8- TROUBLESHOOTING GUIDE
8.1 INTRODUCTION
This troubleshooting guide is intended to aid
service/maintenance personnel in isolating the
cause of a fault in a Benchmark Series Boiler.
The troubleshooting procedures contained
herein are presented in tabular form on the fol-
lowing pages. These tables are comprised of
three columns labeled: Fault Indication, Probable
Cause and Corrective Action. The numbered
items in the Probable Cause and Corrective
Action columns correspond to each other. For
example, Probable Cause No. 1 corresponds to
Corrective Action No. 1, etc.
When a fault occurs in the Benchmark Boiler,
proceed as follows to isolate and correct the
fault:
1. Observe the fault messages displayed in the
Control Box display.
2. Refer to the Fault Indication column in the
following troubleshooting tables and locate
the Fault that best describes the existing
conditions.
3. Proceed to the Probable Cause column and
start with the first item (1) listed for the Fault
Indication.
4. Perform the checks and procedures listed in
the Corrective Action column for the first
Probable Cause candidate.
5. Continue checking each additional Probable
Cause for the existing fault until the fault is
corrected.
6. If the fault cannot be corrected using the
information provided in the Troubleshooting
Tables, contact your local AERCO Repre-
sentative.
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