Hitachi RAS-18SX8 Manuel De Maintenance page 209

4. Failure phenomenon: The fan motor will not stop.
[ Situation ] I have conducted the stop operation on the product by remote control, but the indoor fan motor will not stop.
[ Estimated failure locations ]
[ Diagnosis flow ]
Initiating troubleshooting
Run the product by remote control and then stop it.
(Reproduce the failure phenomenon.)
Is the voltage between pins ④ and ⑥ of the fan motor
connector (CN2) below 1.5 V? (Take measurements
while the failure phenomenon is present.)
Replace the "indoor electrical installation."
Downloaded from www.Manualslib.com
(It stopped about 3 minutes later.)
・Indoor fan motor
・Fan motor drive circuit
No
manuals search engine
Yes
Replace the "indoor fan motor."
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