HNC Electric HV480 Series, Руководство пользователя

Страница: 132 / 179

128
Sr. No. Fault name Operation panel display Troubleshooting of cause of failure
Countermeasures for fault
handling
14 Module overheating
1. The ambient temperature is too high
2. The air duct is blocked
3. The fan is damaged
4. The module thermistor is damaged
5. The frequency inverter module is
damaged
1. Reduce the ambient
temperature
2. Clean up the air duct
3. Replace the fan
4. Replace thermistor
5. Replace the frequency
inverter module
15
External equipment
failure
1. Input the signal of external failure
through the multi-function terminal X.
1. Reset operation
2. Reset operation
16
Communication
failure
1. The upper computer is not working
normally
2. The communication line is abnormal
3. The communication expansion card
FD - 00 is not set correctly
4. The setting of communication
parameter FD group is incorrect
1. Check the PC wiring
2. Check the communication
connection lines
3. Correctly set the type of
communication expansion
card
4. Correctly set communication
parameters
17 Contactor failure
1. The drive board and power supply are
not normal
2. Contactor is abnormal
1. Replace the drive board or
power board
2. Replace contactors
18
Current detection
fault
1. Check the hall element anomaly
2. abnormal drive plate
1. Replace hall element
2. Replace the drive plate
19 Motor tuning failure
1. Motor parameters are not set
according to nameplate
2. Parameter identification process
timed out
1. Set motor parameters
correctly according to
nameplate
2. Check the frequency
inverter to motor lead
21
EEPROM
Read / write fault
1. EEPROM chip is damaged
1. Replace the main control
board
22
Hardware failure of
frequency inverter
1. over voltage exists
2. There is over current
1. According to the over
voltage fault treatment
2. According to the over
current fault processing
23
Short circuit to
ground
1. Motor short circuit to ground 1. Replace cables or motors
26
Accumulated
running time
reaches failure
1. The accumulated running time
reaches the set value
1. Use the parameter
initialization function to clear
the record information
27
User - defined fault
1
1. Input the user-defined fault 1 signal
through the multi-function terminal X. 1. Reset operation
28
User - defined fault
2
1. Input the user-defined fault 2 signal
through the multi-function terminal X. 1. Reset operation
29
Accumulated
power-up time
reaches failure
1. The accumulated power-on time
reaches the set value
1. Use the parameter
initialization function to clear
the record information
30 Off load fault
1. The operating current of the
frequency inverter is less than F9 - 27
1. Confirm whether the load is
disconnected or F9 - 27.
does F9 - 28 parameter
settings conform to actual
operating conditions
31
Loss of PID
feedback during
operation
1. PID feedback is less than FA - 26 set
point
1. Check PID feedback signal
or set FA - 26 as a suitable
value