KING 8500, Owner'S Manual

USSC 

21

20 

USSC

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Below is a chart describing the Error Codes that might be displayed if an error occurs with your furnace.

Error

Code

Err1

Err2

Err3

Err4

Err5

)

Err7

Err8

Error

Description

The high limit temperature sensor

has tripped.

Furnace ran out of fuel during normal

operation.

The furnace was unable to reach the 

Room Fan On temperature  within the 

startup time.

The power failed while the furnace was

hot, and when power was restored,

The 

Auger output fuse has blown.

The 

Agitator output fuse has blown.

The Draft Fan (Exhaust Fan) output 

fuse has blown.

The Room Fan blower output fuse has 

blown.

Possible 

Causes

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+

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+

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 out.

J X'

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+

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Several situations or events are indicated in normal operation by blinking display indicators or segments in the display:

Flashing On Indicator :

=ƒ?

`

<<  ‚

Flashing Off Indicator :

=*?

>>

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15 minute period after the furnace was turned of

f, 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 

!

=‚=

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-

'

! >

J

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.

Flashin

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otin

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PROBLEM CAUSE:

   Not enough combustion air;  Fuel has too much moisture.

V

iewing window becoming black

shortly after start-up.

ƒ

Adjust the air damper to a more open position.

ƒ

Use a fuel with less moisture content

PROBLEM CAUSE:

   Not enough combustion air;  Fuel has too much moisture.

=–"

Z?

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chamber

.

ƒ

Adjust the air damper to a more open position.

ƒ

Use a fuel with less moisture content

ƒ

Stove might be cycling excessively due to temperature cut backs.

ƒ

Reduce heat setting

PROBLEM CAUSE:

   Chemical reaction between the starch in corn and the heat.

=@"? <

ƒ

Add calcium carbonate (aka chicken scratch or oyster shell).

ƒ

Adjust air mixture

K

PROBLEM CAUSE:

K=J‚?

Unit cycles up and down when on the 

='•'?

ƒ

Adjust the heat range to lower setting.

ƒ

Fuel burns hot causing the furnace to cycle between high setting and 

lower settings.

Disconnect the power cord before performing any maintenance!  NOTE: T

u

rning the ON/OFF Switch to ”OFF” 

does not disconnect all power to the electrical components of the furnace.

Never try to repair or replace any part of the furnace unless instructions for doing so are given in this manual. 

All other work should be done by a trained technician.

Ì

Ì

PROBLEM CAUSE:

T

oo rich air/fuel mixture

Orange, lazy flame, excessive fuel

build-up in the burnpot

ƒ

Clean out the burnpot and burnpot housing

ƒ

Adjust the air damper on the front of the furnace to an open position.

ƒ

Make sure that the viewing door is closed and sealed properly

.  If not, 

check door gasket..

ƒ

Check that all outside connections are clear of any obstructions.

ƒ

Check the exhaust system; clean as needed.

PROBLEM CAUSE:

   Burnpot burns out of fuel

Fire goes out or furnace shuts down.

ƒ

'

!

ƒ

Loss of draft pressure.  Make sure that the viewing door is closed and 

sealed properly

.  Check that all outside connections are clear of any

obstructions.  Check the exhaust system; clean as needed.

ƒ

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clear of obstructions.

ƒ

J

X

=<?

!

ƒ

Stove may be shutting down due to an over temperature condition.

PROBLEM CAUSE:

   Corn is wet or it has a very high moisture content.

Corn builds up and is not burning com-

pletely

.  Steam is coming from the corn.

ƒ

Use corn with a moisture content of 1

1% or less for best results.