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Power Light
Indicates power to the
control board.
Status Light
Will be lit anytime there is a
call for heat.
Combustion Blower Light
Indicates Power to
combustion blower
Feed Motor Light Indicates
Power to the feed motor.
Max Temp dial
The “Max Temp Dial” is used to set the desired
maximum operating temperature of the boiler.
7 Blinks: Boiler water over heat safety shut down. This re-
quires a manual reset by cycling the main power off for a few
seconds and re-connect. See explanation on page 20.
Mode Selector/Min. Temp.
Used to turn the boiler on or off and set the desired
minimum operating temperature of the boiler.
Max. Temp./ Min. Temp. Water Temperature Settings
See “Setting the boiler temperature” found on page 24.
OFF Mode
Turning the Mode Selector/Min.Temp. to OFF will shut down
the boiler.
Feed adjuster
Sets the maximum feed rate
Test
Combustion blower, feed motor
and safety dump zone are fully
energized for the rst minute.
Afterward, combustion blower
remains on low only.
Overheat Safety Zone Light
Indicates elevated boiler
water temperature. Power
owing to Overheat circuit.
Igniter Light
Indicates power to the igniter
Lighting Mode Selector
Switched between Auto and
Manual lighting
Mode Selector/Min Temp
Dial
Used to turn the boiler on
or off and set the desired
minimum operating
temperature of the boiler.
Status light error messages:
3 Blinks: Indicates that the ESP (Exhaust Sensing Probe) has
gone out of range, too many times. May indicate axcessive
ash build-up in the exhaust stream. If the unit seems to be
operating normally, perform a manual reset by cycling the
main power off for a few seconds and re-connect.
4 Blinks: Indicates miscommunication with the aquastat, or
the sensor is not attached properly. May require a manual
reset.
5 Blinks: (In Auto Light Mode Only)
Indicates that the igniter has failed to light the re after 40
Minutes. To reset - Turn the Mode Selector/Min. Temp. to
OFF and then back to the desired temperature.
6 Blinks : Indicates that the control has calculated poor or
incomplete combustion occurring for 25 or more minutes.
A six blink status may be set if the stove is allowed to run
out of pellets. To reset, turn Mode Selector/Min Temp dial
to “OFF” then back on to the desired temperature. If the unit
was not out of pellets, see Troubleshooting section, Page 34,
for more details.
Diagnostic Port
For diagnostic purposes only.
Requires special DDM monitor
supplied to trained technicians
exclusively.