8.2 Safety Device Explanation
8.2.1 Door Open Operate Forbidden Safety Device
It monitors the door position. When the door is open, the computer will
immediately stop running to protect the operator and show a warning message.
Close the door and press Home button will reset it.
8.2.2 Compressor Overload Safety Device
It is a Thermal Overload Relay with auto-reset function, responsible for protecting
the compressor from overloaded. Once operated, all the motor and compressor
will stop and show a warning message. For the reset of the unit, solve overload
problem and restart the machine.
8.2.3 Agitator Motor Overload Safety Device
It is a Thermal Overload Relay with auto-reset function, responsible for protecting
the agitator motor from overloaded. Once operated, all the motor and compressor
will stop and show a warning message. For the reset of the unit, solve overload
problem and restart the machine.
8.2.4 Refrigerate Gas Pressure High Safety Device
It is a GAS-PRESSURE-SWITCH with auto-reset function. When the refrigerate
gas pressure is higher than the setting volume, it will active to stop the machine to
prevent the compressor from damaged.
For the reset of the unit, please wait at least three minutes and solve the
gas-pressure-high problem, then run the machine again.
CAUTION
It is prohibited to modify or remove the safety devices! MEHEN will not be
responsible or accept any claim for an accident to people or machine caused by
modifying or removing safety device.
NOTE
Some safety device can be seen only after the cover is removed.
CHAPTER 9 MAINTENANCE
9.1 Routine Maintenance
CAUTIONS
Any service operation requiring the opening of machine panels must be
carried out with machine in stop position and disconnected from main
switch!
It is prohibited to remove the covers of the machine or reach inside of the
machine without disconnecting the machine from the power.
Cleaning and lubricating moving parts is prohibited!
Repairs of electrical and freezing plants must be conducted by skilled
technician!
It is prohibited to wash the machine by means of water under pressure.
To Next Page