Vision REVO Product User Manual page 51

failed
Fan error
Insulation
impedance alarm
The LCD screen
Fan block or failure
Due to poor ground
insulation or damp
environment
The power supply line of the
1、Please check whether the system is in
normal operation and whether there is
blockage near fans. If so, remove the foreign
body .If it cannot operate still after removing
the foreign body. Replace the fan after the
system is completely cut off
1、Please Check whether the insulation
impedance protection parameter setting is
normal through LCD or VISION APP;
2、Please check the impedance of the
module and the DC cable to the ground, and
confirm whether there is voltage to the
ground or the insulation impedance is less
than the specified alarm value
3、Please check the BMS insulation
impedance to the ground , and confirm
whether there is voltage to the ground or the
insulation impedance is less than the
specified alarm value
4、Confirm whether there is short circuit or
mechanical damage of cable insulation skin
5、If the cable is normal, the insulation fault
occurs in wet weather. Please confirm again
when the weather is good .
Please check whether all wiring is normal or
51