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TROUBLESHOOTING
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)
Back to (1) after checking
Back to (1) after checking
(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
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.
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
* The setting of unit number is incorrect.
* The connection of control cables between
each indoor units are incorrect.
(When one remote control switch controls
multiple units.)
Counting
number of
connected units
is incorrect.
Fault Inspection Points after the Power Source OFF
Remote Control
Switch Indication
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.
The unit does not
start.
The connection of remote control
cable is incorrect.
This is the same as item (3)-1, 2 and 3.
The unit does not
start, or starts once
and then stops.
The connection of the thermistors
or other connectors are incorrect.
Tripping of protector exists, or else.
Check by the alarm code table in the service
manual. (Do it by service people.)
The outdoor fans
rotate reversely.
The connecting order of power
supply line is incorrect.
Connecting Order of the Terminal Board:
TB1 in the Outdoor Unit
The outdoor fans
do not start.
Some wires of power supply line
is disconnected.
Connecting Point of Power Supply Line.
Contact Outdoor Fan Motor Connector.
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)
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.)
Indication of Flicker
different to above.
Normal
Normal
Unit Condition
Fault
Inspection Points after the
Power Source OFF
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.
ON
OFF
12
Outdoor PCB
DSW10
ON
OFF
12
Indoor PCB DSW7
RPC (Before Alteration)
RPF, RPFI, RPI-8,10,
RPK
RCI-FSG2, RCD,
RPI-0.8 to 5.0
RPC (After Alteration)
ON
OFF
12
TEMP.
RUN / STOP
MODE
FAN SPEED
VENTI
RESET
CHECK
LOUVER
ON/OFF TIMER
TIME
COOL
HIGH
A/C
SET TEMP.
CHECK
UNIT
CHECK
MODE
Counting Number of
Connected Units
Operation Lump
Remote Control Switch
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