Super Multi System - Toshiba
Super Multi System - Toshiba
Super Multi System - Toshiba
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42<br />
Troubleshooting<br />
Diagnostic procedure for check code<br />
Check code Status of air conditioner Operation cause<br />
[14] Operation stops 1. Outdoor unit power supply error.<br />
IPDU short circuit 2. Wiring error on IPDU PC board.<br />
protective operation 3. AC fuse disconnection.<br />
alarm (Power Transistor) 4. Inverter compressor error.<br />
5. Defective IPDU PC board.<br />
Is the power supply voltage<br />
of the outdoor unit normal?<br />
�<br />
Is the connection of the wiring<br />
connector on the IPDU PC board<br />
normal?<br />
�<br />
Is AC 20A fuse working?<br />
�<br />
Is inverter compressor normal?<br />
�<br />
Is smoothing capacitor normal?<br />
(2200µ F,400V x 2)<br />
�<br />
Yes<br />
Yes<br />
Yes<br />
Yes<br />
Yes<br />
Check IPDU PC board.<br />
No<br />
No<br />
No<br />
No<br />
No<br />
�<br />
�<br />
�<br />
�<br />
�<br />
Confirm the power supply line.<br />
Modify connector of wiring.<br />
Replace IPDU PC board and fuse.<br />
Replace IPDU PC board and inverter<br />
compressor.<br />
Confirm capacitance and appearance -<br />
Replace if faulty.<br />
Replace IPDU PC board.
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