A clothing retailer in Cerritos California reported that their thermostat won't turn on or off. Our A/C technician found the main controller was not communicating for their EMS system. Troubleshooted and spoke with EMS tech support, who recommended pulling a new cat 5 wire to plug into the server and confirm if controller is faulty, as it is older. Ordering new wiring and will return.
Dispatched our LA County refrigeration technician to a customer reporting that their commercial freezer was making a high pitched noise. Upon arrival, our technician found the unit running at correct temperatures with no noise. Performed a full diagnostic and called in to tech support. Support mentioned a common harmonic noise that has been reported with the system. To resolve our tech wrapped the compressor discharge line to reduce vibration. No other issues to report, unit is working well.
An electronics store in Cerritos, California, put in an emergency call for a burning smell. EMS had turned off #10 to prevent further damage. Technician arrived and found the smoke detector tripped. No signs of smell or damaged equipment. Reset smoke detector, which tripped again. Disassembled detector to clean pipe tubes, reassembled. Detector working again, no tripping or issues. Will monitor.
Cerritos, California, a/c technician dispatched to an emergency request from a clothing store. The tech inspected the York air conditioners and found one unit with a clogged condensate drain that was leaking through the ducts. He cleared the line with CO2, tested and confirmed line clear again. Leak issue resolved.