G Series Outdoor Furnaces
www.heatmasterss.com
TROUBLESHOOTING
If the furnace has shut down:
1. Check to ensure that the unit has power.
2. Check to ensure the furnace On/Off switch is in the On position.
3. Check the water temperature (furnace has a high temperature cut off of 190 de
grees F and turns on again at 140 degrees).
4. Check control for errors that may have shut the furnace down.
5. If all checks have not corrected the problem have a technician check the control
panel.
If there is a power failure:
1. Open all flow-check and zone valves in the system. Depending on the system
design, this may allow convective circulation.
NOTE: This does not apply to gravity systems, as they have no flow-check
valves and will continue to operate normally without electricity.
2. It is important to remember that the heating systems cannot dispose of a great
deal of heat without the circulator(s) running. Avoid over-firing! DO NOT LOAD
LARGE AMOUNTS OF SOLID FUEL INTO THE FURNACE! Fire the furnace
cautiously until you are able to determine how quickly the heat system is able to
absorb the heat being produced by the furnace.
3. When the power has returned, reset all flow-check and zone valves and resume
normal operation of the system.
If there is smoke leaking out of the door
1. Check to ensure door is sealing properly.
2. If the seal is worn out it will have to be replaced.
3. The door may need to be adjusted. To do this loosen the Door Latch Bearings
and nuts on Door Hinge and set the door so it seals tightly against the door
jamb. Re-tighten once door is in place.
If the furnace has an excessive amount of creosote
1. Check to ensure the furnace is sized accurately according to heat demand. If
the furnace is oversized it will idle and cause this.
2. Check moisture content in your wood fuel. Moisture content over 30% may
cause creosote buildup. Recommended moisture content in your wood fuel is
15-20%.
3. Using the top access door on the roof of the furnace, inspect the bypass door for
smoke leakage
4. If the chimney and/or heat exchange tubes become plugged with creosote it will
be necessary to scrape the creosote out to obtain a proper burn in the firebox.
You are having to fill the furnace with water more then once a week or more then a
few gallons of water per week and there is no obvious explanation
1. Check the temperature settings and gasket on the door and ash drawer to en-
sure the furnace is not over temperature and steaming. If water temperature
reaches levels over 200 degrees Fahrenheit the water will steam and water loss
will occur.
2. Check the perimeter of the furnace for water puddles collecting or dripping from
the furnace.
3. Check all plumbing in the system to ensure there are no leaks.
4. If these checks have not provided an answer call your dealer.
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