7 Troubleshooting
-
270
-
Fault
Code
Name Possible Causes Solution Level
Err07
Overvoltage at
constant speed
The input voltage is too high.
◆
Check whether the input voltage is too high.
Observe whether the bus voltage is too high
5A
The regen. resistance is too
large, or the braking unit fails.
◆
◆
Check whether the bus voltage rises too
quickly during running. If yes, the braking
resistor does not work or its model is im-
proper:
◆
Check whether the cable connecting the
braking resistor is damaged, whether the
cooper wire touches the ground, and wheth-
er the connection is reliable.
◆
Check whether the resistance is proper
based on the recommendation in chapter 4
andselect a proper braking resistor.
◆
If a braking unit is used, check whether the
braking unit works properly and whether
the model is proper. If the resistance of the
braking resistor is proper and overvoltage
occurs each time when the elevator reaches
the target speed, decrease the values of F2-
01 or F2-04 to reduce the curve following
error and prevent overvoltage due to system
overshoot.
Err08
Maintenance
period reached
The elevator is not maintained
◆
◆
-
tion by setting F9-13 to 0.
◆
Contact the agent or the manufacturer.
5A
Err09 Undervoltage
Instantaneous power failure
occurs on the input power
supply.
◆
Check whether the power fails during run-
ning.
◆
Check whether the wiring of all power input
cables is secure.
5A
The input voltage is too low.
◆
Check whether the external power voltage is
too low.
The drive control board fails.
◆
Contact the agent or the manufacturer.
To Next Page
Loading...