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Hitachi RAS-10JH4 - Checking Outdoor Unit Electrical Parts; Thermistor Abnormal

Hitachi RAS-10JH4
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LD 301 blinks 10 times.
Defective power supply
voltage
Apply AC220-230V.
Check the interior wiring.
Are TAB 1, TAB 2, TAB
3, TAB 4, TAB 5, TAB 6,
TAB 11, TAB 12, reactor,
and C023 (yellow green)
connected properly?
Connect properly.
Replace the power P.W.B.
Possible causes include:
Power relay malfunction
Defective
microcomputer terminal
Yes
Yes
Yes
No
No
No
※
Is AC220-230V being
output at terminals A and
B on the terminal board?
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