Sanyo KHS2472 Air Conditioner User Manual


 
What is the latest self-diagnosis result ?
Condition: E12
Defect in the outdoor unit
P. C. board.
Condition: E01
Defect or connection error
in the inter-unit cable
Defect in the indoor unit
P.C. board
( Continued from the previous page A. )
A
( Continued from the previous page B. )
B
1 2 43 5 6
1 2 3
Outdoor Unit
Power
Fig. 3
Indoor Unit
1 2 43 5 6
1 2 3
Outdoor Unit
Power
Fig. 4
Indoor Unit
1 2 43 5 6
1 2 3
Outdoor Unit
Power
Fig. 5
Indoor Unit
Condition: E12
Condition: E01
1.Turn OFF the power and wait until the power lamp (LED)
of the outdoor unit controller is turned OFF.
2.Short-circuit between the terminals 2 and 3 on the outdoor
unit terminal strip. (Fig. 3)
1.Turn ON the power and operate the system using the
remote controller or the operation button on the indoor unit.
2.Perform the self-diagnosis five seconds after the operation
start.
1.Turn off the power and wait until the power lamp (LED)
of the outdoor unit controller is turned OFF.
2.Remove the short-circuit between the terminals 2 and 3 on
the outdoor unit terminal strip.
3.Disconnect the cable from the terminal 3 on the indoor unit
terminal strip. (Fig. 4)
Short-circuit between the terminals 2 and 3 on the indoor unit
terminal board. (Fig. 5)
1.Turn ON the power and operate the system using the
remote controller or the operation button on the indoor unit.
2.Perform the self-diagnosis five seconds after the operation
start.
What is the latest self-diagnosis result ?
Defect in the indoor unit
P.C. board
Is the voltage of about DC22V to
24V given between the terminals
2 and 3 on the indoor unit terminal strip
(Serial Communication Line) ?
(Fig. 2)
No
Defect or connection error
in the inter-unit cable
Yes
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