Troubleshooting 9 - Indoor Unit Error Method: Standard Wired Remote Error; Troubleshooting 10 - Indoor Unit Error Method: Standard Wired Token Error - Fujitsu Airstage V series Service Manual

Trouble shooting 9
INDOOR UNIT Error Method:
Standard Wired Remote Error
Detective Actuators:
Indoor unit controller PCB circuit
Wired Remote Control
Forecast of Cause : 1. Terminal connection abnormal 2. Wired Remote Control failure 3. Controller PCB failure
Check Point 1 : Check the connection of terminal
After turning off the power, check & correct the followings.
p Indoor Unit - Check the connection of terminal between remote control and Indoor unit, or between Indoor units, and
check if there is a disconnection or short of the cable.
OK
Check Point 2 : Check Remote and Controller PCB
p Check terminal voltage of Control PCB CN17(Power supply for Remote)
If DC12V, Remote Control failure (Control PCB is OK) >>> Replace Remote
If DC0V, Control PCB failure (Remote is OK) >>> Replace Control PCB
In case of re-installation is done due to removed connector or incorrect
wiring, turn on the power again.
Trouble shooting 10
INDOOR UNIT Error Method:
Standard Wired Token Error
Detective Actuators:
Indoor unit Controller PCB circuit
Wired Remote Control
Forecast of Cause : 1. Terminal connection abnormal 2. Mis-setting 3. Wired Remote Control failure 4. Controller PCB failure
Check Point 1 : Check the connection of terminal
After turning off the power, check & correct the followings.
p Indoor Unit - Check the connection of terminal between remote control and Indoor unit, or between Indoor units, and
check if there is a disconnection or short of the cable.
OK
Check Point 2 : Check Setting, Remote and Controller PCB
p Check the remote controller address of indoor unit and remote
controller DIP SW1-1~3.
p Check terminal voltage of Control PCB CN17(Power supply for Remo
If DC12V, Remote Control failure (Control PCB is OK) >>> Replace Remote
If DC0V, Control PCB failure (Remote is OK) >>> Replace Control PCB
In case of re-installation is done due to removed connector or incorrect
wiring, turn on the power again.
Indicate or Display:
Indoor Unit : Operation LED 5 Times Blink, Timer LED Flash
Outdoor Unit : LED1 Flash, LED6
ERROR CODE : E : 18
Detective details:
Upon receiving the signal more than 1 time from Wired Remote or other Indoor
unit, but the same signal has not been received more than 1 minute.
DC
Indicate or Display:
Indoor Unit : Operation LED 5 Times Blink, Timer LED Flash
Outdoor Unit : LED1 Flash, LED6
ERROR CODE : E : 18
Detective details:
More than 1 time of Token (Communication between wired remote controllers)
is received, but it was not received more than 1 minute.
DC
te)
06-17
Swing LED 1 Time Blink
1Time Blink
Attention!!
Since Small Wall mount type can not
connect the wired remote, replace
Controller PCB and set up the original
address.
Swing LED 4 Times Blink
1Time Blink