Test Run; Test Run Mode By Remote Control Switch - Hitachi RPI-0.8FSG1 Service Manual

1.4

Test Run

1.4.1 Test Run Mode by Remote Control Switch

(1) Turn ON the power source of the indoor and outdoor units.
(2) Set the TEST RUN mode by the remote control switch.
Depress the "MODE" and the "CHECK" switches
simultaneously for more than 3 second.
If "TEST RUN" and the counting number of the
connected units to the remote control switch
(for example "01") are indicated on the remote
control switch, the connection of remote control
cable is correct.
If no indication or "00" appears or the number
of the units indicated is smaller than the actual
number of the units, some abnormalities exist.
(3)
Remote
Control Switch
Indication
No Indication * The power source is not turned ON.
* The connection of the remote control
cable is incorrect.
* The connecting wires of power supply
line are incorrect or loosened.
Counting * The setting of unit number is incorrect.
number of * The connection of control cables between
connected units each indoor units are incorrect.
(When one remote control switch controls
is incorrect.
multiple units.)
(4) Select TEST RUN MODE by depressing MODE switch. (COOL or HEAT)
(5) Depress RUN/STOP switch.
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.)
If the units do not start or the operation lamp on the remote control switch is flickered, some
abnormalities exist.
(6)
Remote Control
Switch Indication
The operation lamp
flickers. (1 time/1 sec.)
And the Unit No. and
Alarm Code "03" flicker.
The operation lamp
flickers. (1 time/2 sec.)
Indication of Flicker
different to above.
Normal
Normal
Fault
Back to (1) after checking
Unit Condition
The unit does not The connecting wires of operating
start. line are incorrect or loosened.
The unit does not The connection of remote control
start. cable is incorrect.
The unit does not The connection of the thermistors
start, or starts once or other connectors are incorrect.
and then stops. Tripping of protector exists, or else.
The outdoor fans The connecting order of power
rotate reversely. supply line is incorrect.
The outdoor fans Some wires of power supply line
do not start. is disconnected.
Back to (1) after checking
Counting Number of
Connected Units
Operation Lump
MODE
CHECK
Inspection Points after the Power Source OFF
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 Boards
5. Screw Fastening of each Terminal Boards
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
Fault
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)
Procedures for Recovery When Transmitting
Circuit Fuse is Blown Out
1. Correct the wiring for the terminal board.
2. Setting position of the model code are shown below.
Indoor PCB DSW7
RPC (Before Alteration)
RPF, RPFI, RPI-8,10,
RPK
RCI-FSG2, RCD,
RPI-0.8 to 5.0
RPC (After Alteration)
2. Screw Fastening of each Terminal Boards.
3. Connecting Order of Power Line Between
Indoor Units and Outdoor Unit.
This is the same as item (3)-1, 2 and 3.
Check by the alarm code table in the service
manual. (Do it by service people.)
Connecting Order of the Terminal Board:
TB1 in the Outdoor Unit
Connecting Point of Power Supply Line.
Contact Outdoor Fan Motor Connector.
TROUBLESHOOTING
SET TEMP.
HIGH
COOL
UNIT
A/C
CHECK
RUN / STOP
TEMP.
RESET
MODE FAN SPEED ON/OFF TIMER
VENTI LOUVER CHECK
TIME
Remote Control Switch
Inspection Points after the
Power Source OFF
Outdoor PCB
ON
DSW10
OFF
1 2
ON
ON
OFF
OFF
1 2
1 2
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