On arrival, manager on duty reported dining room is running correctly, but kitchen is not. In front of Gas pack 1 on the roof are two old compressors and an old blower motor. Looks like both compressors and belt drive blower have been replaced. We documented shorted compressors in February 2023. Indoor coil is frozen with several inches of thick ice. Compressor 1 (larger circuit is completely frozen up and compressor 2 (smaller) was not running. Four 20*20*1 pleated filters in the ceiling are completely clogged with breading dust. Two inch filters in unit are fairly clean and a few weeks old, but frozen to coil. Both circuits are nearly void of R410a. Under 60 psi of R410a standing pressure tested at both liquid lines and true suction ports. Will need to return at a later date to leak search system after coil thaws out. Tech let the client know of findings and that system is down. Tech left Y1 and Y2 disconnected and disconnect off. Tech left estimate on