Hitachi RAC-8CH9 - Page 58

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Is voltage normal (approx. 280 ~
300V) at out put side of the DB201?
Check the circuit board of
control board
YES
NO
Check the circuit board inside parts.
When checking, carry out a self
diagnosis by indoor indicator lamp.
Fan Speed
RAS-08CH9/RAS-08CH9(B)
RAC-08CH9
*3
Replace faulty part
*4 Wait for 3 minutes before forced
re-operation by the service switch.
CN6 BLUE-RED (V)
Cool Heat
20.8
17.2
14.1
11.0
20.8
17.9
15.0
13.0
HI
MED
LO
SLEEP MODE
RAS-10CH9/RAS-10CH9(B)
RAC-10CH9
RAS-14CH9/RAS-14CH9(B)
RAC-14CH9
Cool Heat
21.3
19.0
15.6
11.9
23.0
19.7
16.6
15.0
Cool Heat
26.5
22.2
18.0
13.0
28.4
23.6
19.3
15.0