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TEST RUNNING
15.1. TEST RUN PROCEDURE BY REMOTE CONTROL SWITCH
Turn ON the power source of the Indoor and RASC units
Set the TEST RUN mode by remote control switch.
Depress the "MODE" and the "
seconds.
a) If "TEST RUN" and the counting number of the connected units to the
remote control switch (for example "") are indicated on the remote
control switch, the connection of remote control cable is correct.→Go to
b) If no indication 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
-
The power source of RASC unit is not turned ON.
-
The connection of the remote control cable is
incorrect.
No indication
-
The connecting wires of power supply line are
incorrect or loosened.
-
The power source of RASC unit is not turned ON.
-
The operating line wiring between indoor unit and
Counting number of
RASC unit is not connected.
connected units is
-
The connection of control cables between each
incorrect
indoor units are incorrect. (When one remote
control switch controls multiple units)
Back to
after checking
Select TEST RUNNING MODE by depressing MODE Switch (COOL OR HEAT)
Depress RUN/STOP switch.
a The TEST RUN operation will be started. (The 2 hours OFF-TIMER will be set and the TEST RUN operation will be finished after 2 hours unit operation or by depressing
the RUN/STOP switch again).
NOTE:
TEST RUN operation ignores the temperature limitation and ambient temperature during heating operation to have a continuous operation, but the protections are alive.
Therefore, the protection may activate when the heating TEST RUN operation is performed in high ambient temperature.
TEST RUN operation time can be modifyed / increased depressing the time switch in the Remote Control.
b If the unit do not start or the operation lamp on the remote control switch is flickered, some abnormalities exist. →Go to
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
except above
The operation lamp
Flickers. (1 Time/1s)
Unit No. , Alarm
Code and Unit Code
E flicker
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. Apply the process indicated beside.
OK" switches simultaneously for more than 3
Wrong Portions
Unit Condition
The unit does not start.
The unit does not start.
The unit does not start, or start once and then
stops
The unit does not start.
Operation lamp
Inspection Points after Power Source OFF
1. Connecting Points of Remote Control Cable terminal board of Remote Control switch and
indoor unit.
2. Contact of Terminals of Remote Control Cable
3. Connection Order of each Terminal Board
4. Screw Fastening of each Terminal Boards.
5. Dip Switch Setting on Printed Circuit Board
6. Connecting on the PCB
7. This is the same as item
Wrong Portions
The power source of RASC unit in
not turned ON.
The connecting wires of operating
line are incorrect or loosened.
Remote control cable is broken.
Contact of connectors is not good.
The connection of remote control
cable is incorrect
The connection of thermistor or
other connectors are incorrect.
Tripping of protector exists, or else.
The connection of the remote
control cable between Indoor Units
is incorrect.
1, 2 , and 3.
Inspection Points after Power Source OFF
1. Connecting Order of each Terminal Board.
2. Screw fastening of each Terminal Boards.
NOTE:
Recovering method of FUSE for operating circuit.
There is a fuse (FUSE4 on Indoor Unit PCB1,
EF1 on RASC unit PCB1) to protect operating
circuit 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
This is the same as item
Check by the abnormality mode table in the Technical
Catalogue (Do it by service people).
Check by the abnormality mode table in the Technical
Catalog (Do it by service people).
Indoor PCB DSW7
switch on the 1st. pin
PMML0140A rev.1 - 07/2009
Counting
number of
connected
units
1 and 2
42
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