83521 User Guide

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38 39

TROUBLESHOOTING

Problem: Temperature does not change at programmed start time for a given period

Solution:

1. Verify that the HOLD feature is not active (see “Overriding the Schedules Permanently,”

page 27).

2. Check the programmed schedule (see “Modifying the Programmed Schedule,” page 24).

3. Verify that the thermostat is not in MANUAL mode (see “Turning Oﬀ Schedules,” page 28).

Problem: Heat/cool system doesn’t respond immediately

Solution:

1. To protect your compressor, the thermostat default is to wait ﬁve minutes before responding.

(see “Minimum Cycle Period Adjustment,” page 18).

2. If the problem persists aer waiting ﬁve minutes, check baeries.

Replace if necessary (see “Replacing the Baeries,” page 31).

TROUBLESHOOTING

Problem:

Set temperature is 10°F above (in cool mode) or 10°F below (in heat mode) desired temperature

Solution: Check baeries. Replace if necessary (see “Replacing the Baeries,” page 31).

Problem: System turns on too frequently

Solution: The Orbit Clear Comfort™ Pro thermostat uses smart logic to turn on once every

cycle period to maximize comfort and temperature stability. To adjust the cycle period, see

“Minimum Cycle Period Adjustment,” page 18. To turn oﬀ smart logic, set the cycle period back

to the default seing of 0.

Problem: Display is blank/Low Baery Indicator on

Solution:

1. Replace baeries (see “Replacing the Baeries,” page 31).

2. Check for loose or crossed wiring in thermostat wiring terminal.

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User Guide - Page 42