28
49-5000561 Rev. 1
Things that are normal
TROUBLESHOOTING TIPS
Normal Operating Sounds
You may hear a pinging noise caused by water being picked up and thrown against
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remove moisture and improve efficiency.
During the defrost cycle, both indoor and outdoor fans stop and the compressor will
operate in the cooling mode to remove frost from the outdoor coil. After defrost, the
unit will restart in electric heat to quickly warm the room to the desired comfort level.
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minimum of 3 minutes after the compressor starts at any thermostat setting.
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3-minute delay.
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on and off with the compressor. You may also hear a fan noise stop and start.
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regardless if the unit may be cooling or heating. Other times the fan will run longer
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improve room comfort and balance.
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continuously.
Digital makeup air unit will perform a system check upon power up, power cycle,
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then go to the set point.
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may overflow and drip from the outdoor side of the unit.
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change the room temperature.
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3-Minute
Delay
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1
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COMPRESSOR
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