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Check the following before calling for servicing.
Symptom Check
Operation in HEAT/COOL mode is not working
effi ciently.
• Set the temperature correctly.
• Close all doors and windows.
• Clean or replace the fi lters.
• Clear any obstruction at the air inlet and air outlet
vents.
Noisy during operation. • Check if the unit has been installed at an incline.
• Close the front panel properly.
The unit does not work. • Check if the circuit breaker is tripped.
• Check if timers have been set.
Troubleshooting
ACXF55-32681.indb 16ACXF55-32681.indb 16 1/20/2022 6:14:43 PM1/20/2022 6:14:43 PM
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