Orien FS-260IM - Manual (Page 21)

Before Calling for Service
Troubleshooting
If the unit appears to be malfunctioning, read through the OPERATION section of this manual
first. If the problem persists, check the Troubleshooting Guide below and on the following page.
The problem may be something very simple that can be solved without a service call.
Clean the condenser air screen.
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