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.