Sinoboom AB18EJ - Page 104

© Oct 2020 6-22 AB18EJ&18HJ Maintenance Manual
REPAIR PROCEDURES
Fault
code
Description
Cause Check
0321
Reduced low-temperature
performance of RL motor
controller
0421
Reduced low-temperature
performance of RR motor
controller
0022
Reduced high-temperature
performance of pump
motor controller
The controller operates at
hostile environment with
the radiator blade
temperature higher than
85℃
1. Use the machine under normal operating
conditions to increase the cooling effect of
controller.
2. If the ambient temperatue is normal, check
the controller current which may cause an
abrupt rise in temperature if too large.
0122
Reduced high-temperature
performance of FL motor
controller
0222
Reduced high-temperature
performance of FR motor
controller
0322
Reduced high-temperature
performance of RL motor
controller
0422
Reduced high-temperature
performance of RR motor
controller
0023
Reduced undervoltage
performance of pump
motor controller
1. Low battery level;
2. Battery setup error;
3. Battery aging
1. Check the battery with a multimeter for
proper voltage;
2. Check the fuse and contactor;
3. Check the battery setup, system voltage
and undervoltage setting.
0123
Reduced undervoltage
performance of FL motor
controller
0223
Reduced undervoltage
performance of FR motor
controller
0323
Reduced undervoltage
performance of RL motor
controller
0423
Reduced undervoltage
performance of RR motor
controller
0024
Reduced overvoltage
performance of pump
motor controller
1. Battery setup error;
2. Regenerative brake
current results in
voltage increase.
1. Check the battery with a multimeter for
proper voltage;
2. Check the fuse and contactor;
3. Check the battery setup, system voltage
and undervoltage setting.
4. Check the regenerative brake setup and
current limit.
0124
Reduced overvoltage
performance of FL motor
controller
0224
Reduced overvoltage
performance of FR motor
controller
0324
Reduced overvoltage
performance of RL motor
controller