14
XXV Pellet Stove
AUTOMATIC IGNITION ESP CONTROL
Power Light
Indicates power to the control.
Status Light
Will be lit in either stove
or room temp mode when
pointer is not within off
position band except
after normal shut down.
Blinks to indicate errors
listed below.
Status light error messages:
1 Blink: Indicates control board self diagnostic fail-
ure. This requires a manual reset*.
3 Blinks: Indicates ESP (Exhaust Sensing Probe)
failure. This requires a manual reset*.
4 Blinks: Can occur only in Room Temp Mode and
indicates Room Sensing Probe failed or not installed.
If a Room Sensing Probe is then installed, the status
light will automatically reset.
5 Blinks (In Igniter Auto. Mode Only): Indicates
that the unit has failed to light within the 36 minute
start cycle. To reset - Turn Mode Selector to "OFF",
then turn to either mode again.
6 Blinks : Indicates that the control has calculated
poor or incomplete combustion occurring for more
than 50 minutes.
A six blink status may be set if the stove is allowed
to run out of pellets. To reset, turn mode selector to
"OFF" then back on to the desired mode. If the unit
was not out of pellets, see Troubleshooting section,
Page 26, for more details.
* Manual reset- disconnect the power cord for a few
seconds and reconnect. If error still occurs call your
Dealer.
Note: some early circuit boards will blink
the status light upon power-up. An error message is
a continuous blink cycle.
Distribution Blower
speed adjustment range.
L = low
H = high
Variable speed anywhere
between L and H; although
as the stove temp. goes
up, so does the low end
of the scale.
Temp dial
Allows you to adjust the
room temperature in
Room Temp Mode using
the outer scale marked
in degrees Fahrenheit. It
also allows you to adjust
the stove temperature
while in Stove Temp
Mode using the inner
scale marked from 1
to 7.
Mode Selector
Allows you to choose
be tw een R oo m Temp
Mode, Stove Temp Mode,
or OFF. Also allows you to
vary the distribution blower
speed by turning the knob
to the high or low side of
each mode.
Dealer Diagnostic Port
For dealer maintenance
only. Requires special DDM
monitor supplied to Harman
Dealers exclusively.
Feed adjuster
Sets the maximum feed rate
per each cycle of the control.
Igniter switch
Set to appropriate Start-
Up mode.
Test
Runs all motors at full
speed for one minute to
check operation. After two
minutes the stove will go
to minimum draft and the
blowers will alternate from
high to low every minute
to remind you that you are
still in "Test Mode".
Indicates power to the
igniter
Indicates power to the
feed motor.
Indicates power to
combustion blower
Indicates power to
distribution blower.
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