PB-1525 Wood Pellet Burner System: Installation and Operation Manual
Rev 1.0, OCTOBER 2011
Page 53 of 67
boiler/furnace
firebox.
Stack too hot
Error occurs when
the stack
temperature
exceeds the
maximum set point
within the system.
1.
Excessive boiler/
furnace ash
buildup
preventing
proper heat
transfer.
2.
Overfiring of the
boiler/ furnace is
occurring
3.
Failed
temperature
sensor
1.
Clean and brush
down boiler
/furnace.
2.
CP* verifies firing
rate of system.
3.
CP* install new
temperature
sensor
Temp Sensor
Shorted
Error occurs when
the system senses a
short in the stack
temperature sensor
1.
Wire or leads to
the temperature
sensor damaged
2.
Failed
temperature
sensor
1.
Check wore and
leads to
temperature
sensor for
mechanical
damage,
crushing or
kinking.
2.
CP* install new
temperature
sensor
Temp Sensor Open
Error occurs when
the system senses
an absence of the
temperature sensor
connected to the
system.
1.
System power
connected to the
burner without
the temperature
sensor
connected
2.
Wire or leads to
the temperature
sensor damaged
3.
Failed
temperature
sensor
1.
Mate smaller 6-
pin (sensor)
connector to the
burner prior to
mating the larger
7-pin (power)
connector.
2.
Check wore and
leads to
temperature
sensor for
mechanical
damage,
crushing or