Orbit Clear Comfort Pro 83521 - Troubleshooting Common Issues; No heating;cooling system activation

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Problem:
No heating/cooling system activation
Solution:
1. Verify MODE switch is in proper heat or cool mode.
2. Check baeries. Replace if necessary. (See “Replacing the Baeries,” page 31).
3. Check set temperature. Set temperature should read above room temperature in heat
mode and below room temperature in cool mode.
4. Verify Heating/Cooling power switch isn’t off.
5. Verify that the circuit breaker isn’t tripped.
6. Verify that the furnace door is closed securely.
7. Check for loose or crossed wiring in the thermostat wiring terminal.
8. Verify that copper wires are not exposed and touching other wires.
9. Verify that the O/B jumper is installed appropriately. (See “Set Heat Pump Jumper” page
12).
10. Verify that the FAN jumper is installed appropriately.
(See “Set Fan Control Jumper” page 13).
TROUBLESHOOTING