Communication Error Between
Outdoor unit
OK
OK
Check the number setting of outdoor units.
OK
OK
Outdoor unit Main PCB
1. Noise, momentary open, voltage drop 2. Power supply defective
3. The number setting mistake of outdoor unit
4. Connection of communication lines between outdoor units defective 5. Main PCB defective
Check Point 1 : Noise, momentary open, voltage drop
Check if temporary voltage drop was not generated.
Check if momentary open was not generated.
Check if ground is connection correctly or there are no related cables near the power line.
Check Point 2 : Check the power supply
Main power ON/OFF state check
Power cable connection, open check
Check Point 3 : Check the number setting of outdoor units
Connection and open check of communication lines between outdoor units.
Check Point 4 : Check the connection of communication lines
between outdoor units
Master unit: State in which "number of connected slave units" by Dip-SW and
the number of slave units which can be recognized by
communication did not match continued for 10 seconds or more
after the start of control.
Slave unit: State in which communication from the master unit was not
received continued for 10 seconds or more after the start of control.
Check Point 5 : Replace Main PCB
Change Main PCB and set up the original address.
Outdoor Unit : E. 1 3. 1
Error Code : 9 U / 1 3
Trouble shooting 4 E1 3. 1
Indicate or Display:
Detective Actuators:
Detective details:
OUTDOOR UNIT Error Method:
Forecast of Cause :
Indoor Unit : Operation LED 9 times Flash, Timer LED 15 Times Flash,
Filter LED Continuous Flash.
Turn off the power and check.
Number of outdoor unit
DIP-SW
SET 5-1
DIP-SW
SET 5-2
1 unit
2 units
3 units
OFF
OFF
ON
OFF
ON
OFF
04-13
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