Note: The flow alarm is connected to the normally open relay and the
normally closed relay contact, and the working current is required to be
less than 5A and the working voltage is less than 300V.
The machine is
turned on but not
powered on
The power cord is not
plugged into place
Check to make sure the power
connector and power plug are
plugged in place and in good contact.
Pull the fuse box from the cooler's
power connector. Check the fuse.
Replace the spare fuse if
necessary and check whether the
power supply voltage is stable;
Check to make sure the power
connector and power plug are
plugged in place and in good contact.
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