Error Codes; Flashing Indicators - United States Stove Company SP8500 Owner's Manual

Below is a chart describing the Error Codes that might be displayed if an error occurs with your furnace.
Error Error
Code Description
Err1 The high limit temperature sensor
has tripped.
Err2 Furnace ran out of fuel during normal
operation.
Err3 The furnace was unable to reach the
Room Fan On temperature within the
startup time.
Err4 The power failed while the furnace was
hot, and when power was restored,
the fi re was out.
Err5 The Auger output fuse has blown.
Err6 The Agitator output fuse has blown.
Err7 The Draft Fan (Exhaust Fan) output
fuse has blown.
Err8 The Room Fan blower output fuse has
blown.
Several situations or events are indicated in normal operation by blinking display indicators or segments in the display:
Flashing On Indicator : This means that the furnace is in the "Lighting" state waiting for either a 3 minute timeout to
begin burning or for the furnace to reach the pre-set temperature whichever comes fi rst.
Flashing Off Indicator : This indicates that the furnace is in the "Shutdown" state waiting for the OFF button, or for a
15 minute period after the furnace was turned off, or for the furnace to cool down, or for the door to be closed.
Flashing dash "-" in Heat Range Display : This indicates that the furnace is in the normal run mode and is ramping
from the current heat range setting to the target heat range setting. Once the ramp is complete, the "-" will stop fl ashing.
For ramping from heat range 1 to 3, the default time is 90 seconds between internal settings.
Flashing Automatic Mode Indicator : This indicates that the furnace is in normal operation and is running in the auto-
matic mode. However, either the Draft Fan or Auxiliary setting is manually confi gured.
Flashing Draft Fan Setting Indicator : This indicates that the furnace is in normal operation and that the vacuum sen-
sor detects a loss of pressure either because the door is open or because there is a negative pressure in the room with
respect to the exhaust.
Flashing Heat Range Setting Indicator : This indicates that the furnace is in normal operation and that an over-
temperature condition exists causing the fuel to stop.
Flashing Auger Delay Indicator : This indicates that th e furnace is in normal operation and that the hopper lid is open.
USSC

Error Codes

Possible
Causes
• Inadequate ventilation.
• Room fan failure.
• Exhaust Blockage.
• Electrical Open in the over temperature switch or wiring.
• Hopper Empty.
• Auger output failure or jam.
• Flame of fuel quality caused fi re to burn too slowly or go out.
• Electrical Open in low temperature switch or wiring.
• Flame or Fuel quality caused the fi re to burn too slowly or go
out.
• Auger output failure or jam Hopper empty on startup.
• Electrical Open in low temperature switch or wiring.
• Power loss
• Electrical Open in low temperature switch or wiring.
• Auger motor jammed or bad.
• Agitator motor jammed or bad.
• Draft Fan motor jammed or bad.
• Room fan motor jammed or bad.

Flashing Indicators

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