YASKAWA HV600 Technical Reference page 726

10.4 APOGEE FLN (P1) Communications
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Self-Diagnostics
The bypass can use Self-Diagnostics to verify the hardware transceiver on the control circuit. Self-Diagnostics
connects the transmission terminal to the reception terminal on the control circuit and transmits the data to itself to
makes sure that the bypass can communicate correctly.
Use this procedure to do Self-Diagnostics:
DANGER! Electrical Shock Hazard. Do not examine, connect, or disconnect wiring on an energized bypass. Before servicing,
disconnect all power to the equipment and wait for the time specified on the warning label at a minimum. The internal capacitor
stays charged after the bypass is de-energized. The charge indicator LED extinguishes when the DC bus voltage decreases below
50 Vdc. When all indicators are OFF, remove the covers before measuring for dangerous voltages to make sure that the bypass is
safe. If you do work on the bypass when it is energized, it will cause serious injury or death from electrical shock.
1.
Energize the bypass.
2.
Set Z2-06 = 45 [Digital Input 6 Function (TB2-6) - Serial Hardware Test (RS-485)].
3.
De-energize the bypass.
4.
Connect a jumper between control circuit terminals TB2-6 and TB2-9 or TB2-10.
5.
Energize the bypass.
6.
When normal, the keypad will show PASS [Serial Communication Test].
Note:
If there is an error, the keypad will show CE [Serial Communication Error]. Disconnect the bypass from the network and test the
bypass again. If the error stays, there is a possible hardware problem. If there is no error, there is a possible network wiring
problem.
7.
De-energize the bypass.
8.
Disconnect the jumper from Step 4. Set Z2-06 to its initial function.
Self-Diagnostics is complete and the bypass returns to its usual function.
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Troubleshooting Checklist
Checked No.
1 Connect power to the bypass and verify that the bypass operates correctly in HAND Mode from the keypad without being connected to the
network. Record the bypass model number at this time:
Model Number:
2 Record the control board part number:
Control Board Part Number:
3 All network devices have unique addresses and bypasses are addressed between 1 to 98 (1 to 62 hex).
Drive Address:
4 Set b1-02 [Run Command Selection 1] correctly.
b1-02:
726
Figure 10.9 Self-Diagnostics Jumper Terminals
Item to Check
YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference