
Shenzhen Hpmont Technology Co., Ltd.
Chapter 8 Troubleshooting and Maintenance
HD5L Series Controller User Manual V1.4
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91
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Chapter 8
Troubleshooting and Maintenance
8.1
Troubleshooting
If a fault occurs, the keypad will display the fault alarm status. Meanwhile, faulty relay acts, accordingly
HD5L stops output and the motor coasts to stop.
When fault alarm occurs, user should record the fault in detail and take proper action according to the
Table 8-1. If technical help is needed, contact the suppliers or directly call Shenzhen Hpmont
Technology Co., Ltd.
After the fault is eliminated, reset HD5L by any of the following methods:
1. Keypad reset.
2. External reset terminal (DI terminal = No. 16 function).
3. Communication fault reset.
4. Switching on HD5L after completely power off.
Table 8-1 Fault and counter-measures
Fault
Fault reasons
Counter-measures
Lu
DC bus undervoltage
•
At the begining of power on and at
the end of power off
•
Input voltage is too low
•
Improper wiring leads to
undervoltage of hardware
•
It is normal status of power on and
power off
•
Check input power voltage
•
Check wiring and wire HD5L
properly
E0001
Acc overcurrent
•
Improper connection between
controller and motor
•
Improper motor parameters
•
The rating of the used HD5L is too
small
•
Acc / Dec time is too short
•
Connect HD5L and motor properly
•
Set correct motor parameters
•
Select controller with higher rating
•
Set proper Acc time and Dec time
E0002
Dec overcurrent
E0003
Constant speed
overcurrent
E0004
Acc over voltage
•
Input voltage is too high
•
Dec time is too short
•
Improper wiring leads to
overvoltage of hardware
•
Check power input
•
Set a proper value for Dec time
•
Check wiring and wire HD5L
properly
E0005
Dec over voltage
E0006
Constant speed over
voltage
E0008
Power module fault
•
Short circuit between phases
output or the ground
•
Output current is too high
•
Power module is damaged
•
Check the connection and connect
the wire properly
•
Check the connection and
mechanism
•
Contact the supplier for repairing
E0009
Heatsink overheat
•
Ambient temperature is too high
•
Poor external ventilation of HD5L
•
Fan fault
•
Fault occurs to temperature
detection circuit
•
Use controller with higher power
capacity
•
Improve the ventilation around
HD5L
•
Replace the cooling fan
•
Seek technical support
E0010
Braking unit fault
•
Circuit fault of braking unit
•
Seek technical support
8