Owner`s manual

Hydro-Hot Hydronic Heating System Shop Manual 07/03
R
Page 15
Section 7: Troubleshooting
This Troubleshooting Section has been separated into different Hydro-Hot Troubleshooting Scenario's,
that may be experienced by the heater. Each section listed below begins with the most probable cause
and remedy, to the least probable cause and remedy. This concept has been put in place to expedite the
troubleshooting process and pinpoint the problem quickly. However, if you need additional assistance,
please feel free to contact our Technical Department at 1-800-685-4298 or e-mail them by going to
www.vehiclesys.com and clicking on the Technical Support button. Also, please review the following
"KEY", prior to troubleshooting, as it may be helpful in understanding each nomenclature.
KEY:
TS#:
(i.e. TS1, TS2, ....) = Troubleshooting Scenario 1, Troubleshooting Scenario 2, ....
Q#: (i.e. Q1, Q2,....) = Question 1, Question 2, ....
A:
= Answer
After turning the Diesel switch ON: Section
TS1
- The Hydro-Hot's Diesel-Burner does not operate. ................................................................. 7.1
TS2 - The Hydro-Hot's Diesel-Burner operates (3-minute prime cycle only), ...................................
but does not ignite. ................................................................................................................ 7.2
TS3
- The Hydro-Hot's Diesel-Burner ignites after several starting attempts. .................................. 7.3
TS4
- The Hydro-Hot's exhaust system sputters. ............................................................................ 7.4
TS5
- The Hydro-Hot's exhaust system produces white smoke after ignition. ................................. 7.5
TS6
- The Hydro-Hot's exhaust system produces black smoke after ignition. ................................. 7.6
Other troubleshooting issues:
TS7
- The Hydro-Hot is at operating temperature, but an Interior and/or Fresh ...............................
Water Tank Heating Zone is not producing heat. .................................................................. 7.7
TS8
- The Hydro-Hot is at operating temperature, but the fans of an Interior ..................................
and/or Fresh Water Heat Exchangers are not operating. ....................................................... 7.8
TS9
- The Hydro-Hot is at operating temperature, but the domestic hot water
system is not producing hot water. ........................................................................................ 7.9
After turning the Electric switch ON:
TS10
- The Hydro-Hot's 120 VAC Electric Heating Element does not operate
(i.e. lack of hot water and/or interior heat). ............................................................................. 7.10
After turning the Engine Preheat switch ON:
TS11 - The Hydro-Hot's Engine Preheat System does not preheat the engine. ................................ 7.11
Troubleshooting