Users Manual

16
FAILURE DIAGNOSE
Failures
Possible reasons
An error sign “Er10” display.
High temperature alarm.
An error sign “Er11” display.
Low temperature alarm.
An error sign “Er12” display.
Open circuit alarm.
An error sign “Er13” display.
Short circuit alarm.
An error sign “Er30” display.
Inverter failure.
An error sign “Er40” display.
Inverter input under voltage.
An error sign “Er41” display.
Inverter input over voltage.
An error sign Er42” display.
Over current protection.
An error sign Er43” display.
Over temperature protection.
An error sign Er44” display.
Magnetron fault.
An error sign Er45” display.
Surge protection.
An error sign Er46” display.
High voltage fault.
An error sign “Er47” display.
Switch tube fault.
An error sign “Er48” display.
Communication fault.
An error sign “Er49” display.
Auxiliary power supply.
An error sign “Er60” display.
Sensor fault, open circuit or short circuit.
An error sign “Er61” display.
Sensors selection is out of range.
An error sign “Er81” display.
Displayer communication transmission fault.
An error sign “Er82” display.
Displayer communication receiving fault.
NOTE: For "Er10 ~ Er13", the display shows the code and continues to beep, after pressing
STOP/CANCEL button, the system comes back to normal standby mode.