TCS-NET General Purpose Interface
Service Manual
6
Toshiba
4. Troubleshooting
Follow the flowchart show in 4-1to perform common checks that apply to every kind of troubleshooting.
Troubleshoot following problems by using the applicable procedure shown in 4-2 and its following.
Details are described in the following sections using flowcharts.
YES
Is an appropriate AC adapter used?
Are the voltage and polarity set correctly?
Is the TCC-LINK connection (U1 and U2)
made correctly?
Is the address set correctly (SW1 and
SW2)?
YES
YES
Is the board operating normally in test
mode?
Are wires for functions to be used
connected to the terminal block securely?
An air conditioning operation connected to the RO1 relay contact is not available from the
central remote controller. Refer to 4-2.
DI input is unreadable. Refer to 4-6.
Temperature can not be measured. Refer to 4-4.
RO1, RO2, RO3, and RO4 cannot be controlled. Refer to 4-5.
AO output is not produced. Refer to 4-6.
AI input is unreadable. Refer to 4-6.
Air conditioning conjunction function is not available. Refer to 4-3.
+00DE89308801_01EN_SVM_General_IF.book Page 6 Tuesday, January 20, 2009 6:44 PM
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