Hitachi RAS-10HNCE, Инструкция по установке и эксплуатации, Страница: 42 / 372

PMML0251A rev.2 - 02/2013 42
Test running

Remote Control
Switch Indication
Unit Condition Wrong Portions
Inspection Points after
Power Source OFF
The operation lamp flick-
ers. (1 time/1 sec.) And
the Unit No. and Alarm
Code “03” flicker
The unit does not start.
The power source of Outdoor
Unit in not turned ON.
The connecting wires of operating
line are incorrect or loosened.
1
Connecting Order of each Terminal
Board.
2
Screw fastening of each Terminal
Boards.
N O T E
Recovering method of FUSE for oper-
ating circuit. There is a fuse (FUSE4
on Indoor Unit PCB1, EF1 on Outdoor
Unit PCB1) to protect operating cir-
cuit on the PCB, when the power lines
are connected to operating lines. If
fuse is melted, operating circuit can
be recovered once by setting the dip
switch on the PCB as shown in 
The operation lamp flick-
ers. (1 time/2 sec.)
The unit does not start.
Remote control cable is broken.
Contact of connectors is not
good.
The connection of remote control
cable is incorrect
This is the same as item  1 and 2
Indication of Flicker
except above
The unit does not start, or start once
and then stops
The connection of thermistor or
other connectors are incorrect.
Tripping of protector exists, or
else.
Check by the abnormality mode table in
the Technical Catalogue (Do it by serv-
ice people).
The operation lamp
Flickers. (1 Time/1s)
Unit No. 00 , Alarm
Code  and Unit Code
00 flicker
The unit does not start.
The connection of the remote
control cable between Indoor
Units is incorrect.
Check by the abnormality mode table in
the Technical Catalog (Do it by service
people).
Back to  after checking

Instructions fot the recovery when the fuse of the transmission
circuit is blown out:
1
Correct the wiring to the terminal board.
2
Set the 1st pin of DSW7 on the indoor unit PCB to ON.
The procedure of test run from outdoor unit side is indicated be-
low. Setting of this DIP switch is available with the power source
ON.
Setting of Dip Switch (Before Shipment)
DSW1
Switch for setting of Serivice Operation and Function
1 Test Run
2 COOL/HEAT
Setting ON: Heat Operation
3 OFF (Fixed)
4 Manual Compressor stop
C A U T I O N
• Do not touch any other electrical parts when operating switch-
es on the PCB
• Do not attach or detach service cover when the power source
for the outdoor unit is ON and the outdoor unit is operated.
• Turn all DIP switches of DSW1 OFF when the test run opera-
tion is completed.
16.2 TEST RUN FROM OUTDOOR UNIT SIDE
_PMML0251A_r2.indb 42 06/02/2013 9:05:15