Sunmax RT-120 - 32 Fault Code

32. Fault Code
Fault Codes
LED flashing
Fault Content
E[01]
Flash 1 time
Pre-charge fault 1
E[03]
Flash 3 times
PVDD1 over-voltage fault
E[04]
Flash 4 times
PVDD1 undervoltage fault
E[07]
Flash 7 times
12V-CPU overvoltage fault
E[08]
Flash 8 times
12V-CPU undervoltage fault
E[12]
1 slow and 2 fast
Key switch overvoltage fault
E[13]
1 slow and 3 fast
Key switch undervoltage fault
E[14]
1 slow and 4 fast
Battery undervoltage fault
E[15]
1 slow and 5 fast
Battery overvoltage fault
E[16]
1 slow and 6 fast
Battery voltage limit low fault
E[17]
1 slow and 7 fast
Battery voltage limit high fault
E[25]
2 slow and 5 fast
UART overvoltage fault
E[26]
2 slow and 6 fast
UART undervoltage fault
E[29]
2 slow and 9 fast
Relay 1 connection fault
E[30]
Slow flash 3 times
Traction motor phase A NTC fault
E[31]
3 slow and 1 fast
Traction motor B-phase NTC fault
E[32]
3 slow and 2 fast
Brush motor NTC fault
E[33]
3 slow and 3 fast
Suction motor NTC fault
E[34]
3 slow and 4 fast
Traction motor A control temperature too high fault
E[35]
3 slow and 5 fast
Traction motor A control temperature limit high fault
E[36]
3 slow and 6 fast
Traction motor B control temperature too high fault
E[37]
3 slow and 7 fast
Traction motor B control temperature limit high fault
E[38]
3 slow and 8 fast
Brush motor control temperature too high fault
E[39]
3 slow and 9 fast
Brush motor control temperature limit high fault
E[3A]
3 slow and 10 fast
Suction motor control temperature too high fault
E[40]
Slow flash 4 times
Suction motor control temperature limit high fault
E[41]
4 slow and 1 fast
Traction motor A-phase MOS voltage high fault
E[42]
4 slow and 2 fast
Traction motor A-phase MOS voltage low fault
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