STEP
iAStar Frequency Inverter For Elevator Door Machine manual Instructions
61
8 fault & solutions
8.1 instruction of fault code
There are 10 fault codes of door inverter, which can be displayed on PC. inverter fault
code form to analyze the cause of fault and then solve the problem.
Display form：E xxxx
E：means fault
xxxx： fault number（1~20）
Users can consult fault code form to analyze causes and solve troubles.
Table 8-1 fault code
Fault code Name instructions
Faultcode1 IPM Fault IPM protection due to over current
Faultcode2 ADC fault when AD of inverter conversing
Faultcode3 Over Voltage
When the voltage at the
DC side exceeds the setting, fault occurs and
inverter shut off output.
Faultcode4 Under Voltage
When inverter input voltage is below the setting
level, lower torque or overheated will occur, and
then fault occurs and inverter stops output.
Faultcode5 Over Heat
Inverter shut off output due to heat releasing fault,
high ambient temperature IPM fault or overheated,
and it won’t work until it cools down.
Faultcode6 Over Current
Cut the output of inverter when output current is
overflow
Faultcode7 Over Load
Cut the output of inverter when current of motor is
overflow, exceeding overload protect value.
Faultcode8 Encoder Err
Encoder disconnected, encoder phase-lack.encoder
broken. When Encoder Error is output, door
closing and opening in low speed, and there is no
opening and door close limit output.
Faultcode9 Eerom Err Read-write error fault, door machine stopped
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