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3. Service integrated control module or connecting
wiring following the discharge process in step 2.
4.
new control from its container. Follow steps 1 through
3 if installing the control on a furnace. Return any old
Refer to the Troubleshooting Chart
manual for assistance in determining the source of unit
the unit.
achieve ignition after three attempts during a single call for
an EE0 code displayed on the 7-segment display. If the
following ways.
1. Automatic reset. The integrated control module will
automatically reset itself and attempt to resume
normal operations following a one hour lockout period.
2. Manual power interruption. Interrupt 115 volt power to
the furnace.
3. Manual thermostat cycle. Lower the thermostat
so that there is no longer a call for heat for 1 - 20
seconds then reset to previous setting.
The pressure switches are normally-open (closed during
operation) negative air pressure-activated switches. They
through the heat exchanger via pressure taps located on
and servicing to protect the integrated control module
from damage. By putting the furnace, the control, and the
person at the same electrostatic potential, these steps
will help avoid exposing the integrated control module to
installed and uninstalled (ungrounded) furnaces.
1. Disconnect all power to the furnace. Do not touch
the integrated control module or any wire connected
electrostatic charge to ground.
2. Firmly touch a clean, unpainted, metal surface of the
furnace away from the control. Any tools held in a