Lennox Signature XC17 Installation Instructions Manual page 46

FAN MOTOR TEST PROCEDURE
A simple test can be used to test the fan motor operation. A fully charged 9V battery will be required for this procedure.
FAN MOTOR TEST
This is a test that will verify that the motor does operate.
1. Verify main (240 volt) power if OFF to unit.
2. Remove both wires (brown and black) from the J2 terminal on the fan motor
control.
3. Room thermostat should be in OFF position (Unit in idle mode − no heating or
cooling demands)
4. Turn main power (240 volt) ON to unit.
5. Connect 9 Volt batter to outdoor fan motor plugs as noted in pic-
ture below..
6. Outdoor fan motor should run at a reduced fan speed.
7. If Outdoor fan motor does not run, then replace fan motor assem-
bly.
REMOVE BOTH LEADS
FROM J2 TERMINALS
BLACK LEAD
BROWN LEAD
506510−01
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FAN MOTOR CONTROL
J2
CONNECT FAN MOTOR BLACK
COMMON WIRE TO 9V BATTERY
Figure 25. Fan Motor Test
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BLACK LEAD
J2
BROWN LEAD
BLACK LEAD
NEGATIVE TERMINAL
NEGATIVE TERMINAL
FULLY CHARGED 9V BATTERY
Page 46
BROWN LEAD
CONNECT FAN MOTOR WIRE TO
9V BATTERY POSITIVE TERMINAL
V
POSITIVE TERMINAL