Shenzhen Hpmont Technology Co., Ltd.
Chapter 8 Troubleshooting and Maintenance
MONT72 Series User Manual V1.0
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E0025: Output current is too small fault
Counter-measures
Fault subcode:
2501: Output current is too small
fault
Cause of issue:
1: When the asynchronous motor
starts running, the detected
current is too small
This fault can effectively prevent
the risk of opening the brake when
the output circuit is abnormal.
1: Check the drive controller UVW wiring,
run the contactor, the motor to the running
contactor, etc.
2: Drive controller is damaged
E0030: Encoder reverse
Counter-measures
Fault subcode:
3000: Encoder reverse fault
3001: Static self-tuning with UVW
encoder detected encoder
reverse fault
Cause of issue:
1: Encoder wiring phase
sequence does not match the
traction machine phase sequence
1: F11.02 value is reversed
E0031: Encoder disconnection
Counter-measures
Fault subcode:
3101: Encoder AB is broken
Cause of issue:
1: Encoder has no input signal
1: Check encoder wiring
E0032: Traction machine speed overspeed
Counter-measures
Fault subcode:
3203: Elevator running speeding
3204: Elevator overspeed
detected when the all-in-one
stops output
Cause of issue:
1: Encoder pulse number setting
error
2: Drive controller output torque
is insufficient
3: The speed loop PI parameter is
set incorrectly
1: Set the encoder pulse parameter
reasonably
2: Select a larger capacity drive controller
3: Correctly set the speed loop PI parameter
E0035: Running contactor pull / disconnect fault
Counter-measures
Fault subcode:
3500: Running contactor
feedback exception
3501: Running contactor pull-in
failure
3502: Running contactor
disconnection
Cause of issue:
1: Contactor damage
2: Feedback contact wiring
problem
1: Replace contactor
2: Check wiring
E0036: Brake contactor pull-in / off failure
Counter-measures
Fault subcode:
3600: Brake contactor feedback is
abnormal
Cause of issue:
1: Contactor damage
2: Feedback contact wiring
problem
1: Replace contactor
2: Check wiring
E0037: Speed limiter failure
Counter-measures
Fault subcode:
3700: Speed limiter failure
Cause of issue:
1: Set the speed limiter input, the
speed limiter terminal has input
1: Check the speed limiter input terminal
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Summary of Contents for MONT72 Series
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