7.9 Diagnosing and Resetting Faults
SIEPCYEUOQ2V01A Q2V Technical Manual
257
7.9
Diagnosing and Resetting Faults
When a fault occurs and the drive stops, do the procedures in this section to remove the cause of the fault, then re-
energize the drive.
◆
Fault Occurs Without Power Loss
WARNING!
Crush Hazard. Wear eye protection when you do work on the drive. If you do not use correct safety equipment, it
can cause serious injury or death.
WARNING!
Electrical Shock Hazard. After the drive blows a fuse or trips an RCM/RCD, do not immediately energize the drive
or operate peripheral devices. Wait for the time specified on the warning label at a minimum and make sure that all indicators
are OFF. Then check the wiring and peripheral device ratings to find the cause of the problem. If you do not know the cause of
the problem, contact the manufacturer before you energize the drive or peripheral devices. If you do not fix the problem before
you operate the drive or peripheral devices, it can cause serious injury or death.
1.
Supply power to the control circuit from the external 24 V input.
2.
Examine the fault code shown on the keypad.
3.
Use monitor parameters
[U2: FAULT]
to show the fault code and data about the operating status of the
drive immediately before the fault occurred.
4.
Use the information in the Troubleshooting tables to remove the fault.
5.
Do a fault reset.
Note:
1. To find the faults that were triggered, check the fault history in
U2-02 [Previous Fault]
. To find information about drive status (such
as frequency, current, and voltage) when the faults were triggered, check
U2-03 to U2-20
.
2. If the fault display stays after you re-energize the drive, remove the cause of the fault and reset.
◆
Fault Reset Procedure
If a fault occurs, you must remove the cause of the fault and re-energize the drive.
Table 7.3 Fault Reset Methods
Methods
Description
Method 1
While the keypad is showing the fault or alarm code, push
on the keypad.
Method 2
Switch ON the MFDI terminal set to
H1-xx = 7B [MFDI Function Select = Fault Reset]
.
Note:
The default setting for
H1-04 [DI4 Function Selection]
is
7B [Fault Reset]
.
Method 3
1.
De-energize the drive main circuit power supply.
2.
Energize the drive again after the keypad display goes out.
Note:
If the drive receives a Run command from a communication option or control circuit terminal, the drive will not reset the fault. Turn the
Run command OFF to reset the fault. If you do a fault reset when the drive has a Run command, the keypad will show minor fault
CrST
[Remove RUN Command to Reset]
.
Содержание Q2V Series
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