Intelligent Technologies (IT.) QSNAP
February 2002
Troubleshooting and Maintenance
Renewal Parts
The renewal parts for the QSNAP are shown in the following table.
Table 19: QSNAP Renewal Parts
Description | Part Number |
|
|
|
|
J3 Jumper | Consult Factory |
|
|
Starter Interface | Consult Factory |
|
|
Auxiliary Contact | Consult Factory |
|
|
Ground Fault Detector | Consult Factory |
|
|
Auxiliary Plug | Consult Factory |
|
|
Troubleshooting
Table 20: Troubleshooting
Observation | Possible Cause/Corrective Action | |
|
| |
|
| |
IT. starter attempts to | Check 24V DC coil power supply. | |
energize when RUN is |
| |
commanded but will not |
| |
stay in |
| |
|
| |
IT. starter will not energize | Control terminal block is not seated or connected properly on overload or | |
| customer wiring. | |
|
| |
| Check 24V DC control power supply. | |
|
| |
| Verify that the permissive bit is = 1. | |
|
| |
| Check J3 wiring. | |
|
| |
| Make sure there is not a trip. | |
|
| |
Reversing starter will not | Unit already running in forward. The units are electrically and | |
energize | mechanically interlocked. | |
|
| |
| Check J3 wiring. | |
|
| |
Reversing starter will not | Check J3 wiring. | |
energize but forward does |
| |
Reversing interlock is jammed. | ||
| ||
|
| |
IT. starter automatically | Check J3 wiring. | |
energizes on |
| |
|
|
20 | Pub. No. MN05001001E |
