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DIAGNOSTIC
SERVICE - $59
The following is a checklist of
things you can check prior to calling your Lennox Dealer for service.
If the troubleshooting checklist below doesn't correct the
problem, you will need to contact your local Lennox Dealer for service.
Please write down the model and serial number of your air conditioner or
heat pump and your furnace or blower coil.
1. Check to see that electrical
disconnect switches are ON.
2. Make sure the thermostat temperature selector is properly set.
3. The thermostat system switch should be in the on position.
4. Replace any blown fuses or reset "tripped" circuit
breakers.
5. Make sure unit access panels are in place.
6. Clean or replace air filter.
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