User's Manual

When the error message appears, try restarting the device. If error code 001, 004, or 008 appears, please try to restart the device after it is

completely cooling down. If the error still exists, please contact Hesai for the technical support.

NOTE Do not try to repair the device on your own accord.

Error Code Proper Handling Method

Data Description

Checksum

Starting character is ‘*’, and the Checksum value is obtained by the data diﬀerence or operation between '$' and' * '.

Checksum calculation example:

unsigned char CalcChecksum(unsigned char* str, int len)

{

unsigned char cs;

int i;

cs = 0;

for (i=0; i<len; i++)

{

cs ^= str[i];

}

return cs;

}

Table 4. Data Description

Error Code

000

001

002

normal operation;

temperature control failure;

laser diode error;

004

008

016

circuit board temperature exceeds -20~80℃;

laser case temperature exceeds -20~80 °C;

reference channel error.

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