Reasons for the rapid rise in temperature of the main unit and subsequent shutdown of oil-injected screw air compressors under unloaded conditions
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Why does the oil-injected screw air compressor operate stably under loaded conditions (with the main unit temperature around 96 degrees), but the temperature of the main unit rises sharply and causes shutdown under unloaded conditions (the shutdown temperature being 109 degrees)?
Please check whether the fuel cut-off solenoid is working properly. This includes checking whether the diaphragm of the fuel cut-off valve is damaged, and whether it shuts off due to a power loss when the fuel cut-off valve is deactivated.