Hitachi FS3 Series, Руководство по обслуживанию

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1
TROUBLESHOOTING
101
1.4 TEST RUN
1.4.1 TEST RUN MODE BY REMOTE CONTROL SWITCH
®
Turn ON the power source of the Indoor and Outdoor Units
¯
Set the TEST RUN mode by remote control switch.
Depress the "MODE" and the "CHECK" switches
simultaneously for more than 3 seconds.
a) If "TEST RUN" and the counting number of the
connected units to the remote control switch (for
example "
05
’) are indicated on the remote control
switch, the connection of remote control cable is
correct. Go to
±
b) If no indication or "
00
" appear or the number of
the units indicated is smaller than the actual
number of the units, some abnormalities exist.
Go to
°
Remote
Control
Switch
Indication
Fault Inspection Points after Power Source OFF
No indication
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7KHFRQQHFWLRQRIWKHUHPRWHFRQWUROFDEOHLV
LQFRUUHFW
7KHFRQQHFWLQJZLUHVRISRZHUVXSSO\OLQH
DUHLQFRUUHFWRUORRVHQHG
1. Connection between the connector and the wires:
Red wire-No. 1, Black wire-No. 2, White wire-No. 3
2. Connecting Points of Remote Control Cable
3. Contact of Connectors of Remote Control Cable
4. Connection Order of each Terminal Board
5. Screw Fastening of each Terminal Boards.
Counting
number of
connected
units is
incorrect
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7KHFRQQHFWLRQRIFRQWUROFDEOHVEHWZHHQ
HDFKLQGRRUXQLWVDUHLQFRUUHFW:KHQ
RQHUHPRWHFRQWUROVZLWFKFRQWUROV
PXOWLSOHXQLWV
6. Dip Switch Setting on Printed Circuit Board
7. Wire Connecting Order of Bridge cable
8. Connecting Points of Bridge Cable
9. Contact of Connectors of Bridge Cable
°
Back to
®
after checking
±
Select TEST RUN MODE by depressing MODE Switch
(COOL OR HEAT)
²
Depress RUN/STOP switch.
a) The "TEST RUN" operation will be started. (The
"TEST RUN" operation will be finished after 2
hours unit operation or by depressing the
RUN/STOP switch again).
b) IF the unit do not start or the operation lamp on the
remote control switch is flickered, some
abnormalities exist. Go to
³
Remote Control
Switch
Indication
Unit Condition Fault
Inspection Points after Power
Source OFF
The operation lamp
flickers. (1 time/1
sec.) And the Unit
No. and Alarm
Code "03" flicker
The unit does not start.
The connecting wires of
operating line are incorrect or
loosened.
1. Connecting Order of each Terminal
Boards. The fuse on the PCB may be
blown out due to miswiring. (Can be
recovered only once by the DSW on
the PCB). (See
´
)
2. Screw fastening of each Terminal
Boards.
3. Connecting Order of Power Line
Between Indoor Units and Outdoor
Unit.
The operation lamp
flickers.
(1 time/2 sec.)
The unit does not start.
The connection of remote
control cable is incorrect
This is the same as item
°
1, 2, and 3
Indication of flicker
different to 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 alarm code table.
(Do it by service people).
The outdoor fans rotate reversely
The connection order of
power supply line is incorrect. Connecting Order of the Terminal Board:
TB1 in the Outdoor Unit
Normal
The outdoor fans do not start.
Some wires of power supply
line are disconnected. Connecting Point of Power Supply Line.
Contact Outdoor Fan Motor Connector.
³
Back to
®
after checking
´
Procedure for Recovery When Transmitting Circuit Fuse is
Blown Out:
1. Correct the wiring for the terminal board.
2. Switch the 2
nd
pin of the DSW on the PCB to "ON"
Indoor PCB DSW7
21
2))
Outdoor PCB DSW10
21
2))
F
F
MODE
RUN/STOP
F
E
05
Counting Number of
Connected Units
Operation Lamp