02-04
Trouble shooting 2
INDOOR UNIT Error Method:
Detective Actuators:
Detective details:
Forecast of Cause:
OK
YES
YES
NO
OK
Serial communication error
(Serial forward transfer error)
Indoor unit Controller PCB
1. Connection failure 2. External cause 3. Controller PCB failure
Check Point 1-1 : Reset the power and operate
Does error indication reappear?
Check Point 1-2 :
Check external cause such as noise
Check if the ground connection is proper.
Check if there is any equipment that causes harmonic wave
near the power cable (Neon light bulb or any electronic
equipment which causes harmonic wave).
Check Point 2 : Check connection
Check any loose or removed connection line of
between indoor unit and outdoor unit.
>> If there is an abnormal condition, correct it by
referring to Installation Manual or Data &
Technical Manual.
Check connection condition in control unit.
(If there is loose connector, open cable or mis-wiring)
Check Point 3 : Check the voltage of power supply
Check the voltage of power supply
>> Check if AC198V(AC220V-10%) - 242V(10%) appears
at outdoor unit terminal L - N.
Check Point 4 : Check serial signal (Forward transfer signal)
Check serial signal (Forward transfer signal)
>> Check if indicated value swings between AC30V and AC130V at outdoor unit terminal 2 - 3.
>> If it is abnormal, replace Controller PCB.
When the outdoor unit cannot properly receive the serial signal from
indoor unit for 10 seconds or more.
N
L
3
2
1
WHITE
BLACK
RED
WHITE
BLACK
+
-
Indicate or Display:
Outdoor Unit : No indication
Indoor Unit : Operation lamp: 1 time Flash, Timer lamp: 1 time Flash
Economy lamp : Continuous flash.
ERROR CODE : [E : 11]
Содержание AOCG040LBTA
Страница 3: ...R410A SLIM DUCT type INVERTER 1 DESCRIPTION OF EACH CONTROL OPERATION ...
Страница 26: ...2 TROUBLE SHOOTING R410A SLIM DUCT type INVERTER ...
Страница 59: ...3 APPENDING DATA SLIM DUCT type INVERTER R410A ...
Страница 67: ...3 3 17 Suenaga Takatsu ku Kawasaki 213 8502 Japan Jun 2016 Printed in Japan ...