1-95
TROUBLESHOOTING
■ Dip Switch and LED Functions on Indoor Unit Printed Circuit Board (Dip Switch/ : With, : Without)
2
2
1 5 2 9 10 11 12
5 1 3 2 7 91012
2
(e-1) (e-2)
a-2
b-1
c-1
b-2
c-2
d-2
h-2
d-1
f-1
g-1
e-1 e-2
1 RSW Setting of Indoor Unit Number
2 DSW2 Setting of Optional Functions A. a-2, b-1, b-2, c-1, c-2, d-2:
A. Self-Diagnosis No Function
B. Remote ON/OFF Control B. a-2, b-1, b-2, c-1, c-2, d-2:
C. Automatic Restart after Short Power Failure Dip Switch Setting is Not
D. Control by Field-Supplied Room Thermostat Required. (The Setting of
Remote Control Switch is
Required.)
C. a-2, b-1, b-2, c-1, c-2, d-2:
Same as B
D. a-2, b-1, b-2, c-1, c-2, d-2:
Same as B
h-2:
No Function
3 DSW3 Setting of Indoor Unit Capacity Code
4 DSW4 Setting of Capacity Adjustment
5 DSW5 Setting of Refrigerant Cycle No. Setting h-2:
For Option Setting
6 DSW6 Setting of Unit Code h-2:
For Refrigerant Cycle Setting
(In Case of Using H-LINK)
7 DSW7 Setting of Fuse Recover
9 LED1 This LED1 indicates the transmission state
(Red) between the indoor unit and remote control switch.
Normal Condition: Flickering
Abnormal Condition: Activated or Deactivated
10 LED2 This LED2 indicates the transmission state
(Green) between the indoor unit and central station.
(When Disconnected: Deactivated)
Normal Condition: Flickering
Abnormal Condition: Activated or Deactivated
11 LED3 This LED3 indicates the transmission state
(Yellow) between the indoor unit and outdoor unit.
Normal Condition: Flickering one time/
some seconds
Abnormal Condition: Activated or Deactivated
more than 30 seconds
or Flickering
(30 times/1 second)
12 LED4 This LED4 indicates the power supply (5V)
(Red) for micro-computer.
Normal Condition: Activated
Abnormal Condition: Deactivated
13 SW1 Setting of Transmission
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RemarksContents of Functions
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Dip Switch
Part
Name
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