Memory
The printer can’t work normally after
the memory need to be read-write
calibration
Over voltage
The voltage of power is too high
Owe voltage
The voltage of power is too low
The CPU
execution
The CPU execution to the wrong
address
Temperature
detection circuit
Connection of temperature detection
circuit connection error
【
BATTERY
】
indicator
The battery indicator composed by three parts in order to show the battery status.
Three parts light on: battery is high
Two parts light on: battery is medium
One part light on: battery is low
Minimum part flashing: battery is extremely low, it must be charged
Three parts flashing at same time: power supply should be over voltage (external power supply
without battery)
There is also a buzzer to indicate various status of the printer. The meanings are as below:
One low one high: power on;
One high one low: power off;
Circulation continuous two lows: printer at mistakes status
