Yaskawa AC Drive Z1000 AC Drive HVAC Fan - Manual (Page 281)

C.8 Troubleshooting
This section describes the steps necessary to troubleshoot drive communications on an APOGEE FLN network.
u Troubleshooting Checklist
No. Item
1.
Connect power to the drive and verify that the drive operates correctly in HAND mode from the HOA keypad without being connected
to the network. Record the drive model number at this time:
Model Number: CIMR-ZU ___ ___ ___ ___
2.
Record the control board part number:
ETC - ___ ___ ___ ___ ___ ___ - ___ ___ ___ ___ ___
3.
All network devices have unique addresses and drives are addressed between 0-99 (0-63 hex).
Drive address: ____________
4.
The Run/Stop command source parameter, b1-02 is set correctly.
b1-02: ____________
5.
The Speed Command source parameter, b1-01, is set correctly.
b1-01: ____________
6.
The correct cable type is used:
Mfg: ____________________ P/N: ____________________
7. All cable connections are correct per device schematic and are secure.
8. All cables have been checked for continuity. There are no breaks or shorts.
9. The network is correctly terminated.
10. The shield is continuous throughout the network and is properly grounded on each end.
11. The network cable is routed away from any high voltage cable(s) or source(s).
12. All network devices have been tested for conformance with the APOGEE FLN specification.
C.8 Troubleshooting
YASKAWA ELECTRIC SIEP YAIZ1U 03A YASKAWA AC Drive – Z1000 Programming Manual 281
C
APOGEE FLN (P1) Communications