Please use this site to assist you in troubleshooting most geothermal heatpumps.
These guide lines should help;
Although please note that I am not responsable for any damage to any equipment that READ MORE http://geothermal-pa.com/troubleshooting.html#C10
WOOD FURNACE BASIC TROUBLESHOOTING
If the furnace does not have backup heat, controls are minimal, consisting of a thermostat, relay and fan. Most furnaces with backup heat will have a second therm READ MORE http://www.warmair.com/html/WoodFurnaceBasics.shtml
Troubleshooting Your Solar Water Heating System
When hot water is used in a home, it is often difficult to know whether it was heated by the sun or by an auxiliary water heater.
Some solar water h READ MORE http://www.p2pays.org/ref/32/31327.pdf
Step by Step Heating System Inspection Procedure Guide
How to inspect & repair central heating systems
What are the basic components of heating systems?
Determining heating system capacity & e READ MORE http://www.inspect-ny.com/heat/HeatingSys.htm
Heating Troubleshooting Checklist
All Heating Systems
THERMOSTAT CHECK
Is the system selector switch in the "heat" position?
Is the temperature set at least 3 degrees above current room te READ MORE http://www.hannabery.com/servicetips.shtml
Furnace Repairs & Care
When filters become clogged with debris, they cut down on a furnace’s efficiency and, over time, can cause parts to wear out faster. A permanent air screen or electronic a READ MORE http://www.hometips.com/repair-fix/furnace-problems.html
Basic Furnace Maintenance
According to the DOE, regular maintenance is the key to an efficient heating system. Dirty filters, clogged burner ports and improper settings can drastically reduce furn READ MORE http://www.hometips.com/furnace_maintenance.html