P68 Automatic Ignition Esp Control; Status Light Error Messages - Harman P68 Installation & Operating Manual

P68 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.
Indicates power to
distribution blower.
Indicates power to
combustion blower
Indicates power to the
feed motor.
Indicates power to the
igniter
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.

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 6 minute
start cycle. To reset - Turn Mode Selector to "OFF",
then turn to either mode again.
Dealer Diagnostic Port
For dealer maintenance
only. Requires special DDM
monitor supplied to Harman
Dealers exclusively.
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 7, for more details.
* Manual reset- disconnect power cord for a few
seconds and reconnect. If error still occurs call your
Dealer.
Feed adjuster
Sets the maximum
feed rate
Test
Runs all motors at full
speed for one minute to
check operation. After
two minutes the stove
will go to minimum burn
and the blowers will
alternate from high to
low every minute to
remind you that you are
still in "Test Mode".
Igniter switch
Set to appropriate
Start-Up mode.
D i s t r i b u t i o n B l o w e r
s p e e d a d j u s t m e n t
range.
L = low
H = high
V a r i a b l e s p e e d
anywhere between L
and H; although as the
stove temp. goes up ,
so does the low end of
the scale.
Mode Selector
Allows you to choose between
Room 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.
P68 Pellet Stove
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