1-51
TROUBLESHOOTING
This alarm code is indicated only when remote control switch PC-2H2 is used being connected to
indoor unit.
This alarm occurs in the case of incorrect connection like that TL terminal is connected to Vc terminal
as below when indoor units are wired.
The unit No. and unit code are as below regardless of the indoor unit.
Unit No. 00
Cycle System 00
Unit Code E.00
Alarm
Code
Incorrect Wiring Among Indoor Units
Yes
Is wiring among indoor
units right?
No
JP4
Repair the wiring among
indoor units.
Turn off the main power
switch and cut the wire JP4
at remote control switch,
then turn on the main power
switch again.
Cause Check Item
Action
(Turn OFF Main Switch)
Phenomenon
Wiring Trouble Check the wiring No.
Repair the wiring
correctly.
Incorrect Wiring
Vc
T
G
T
L
Vc
T
G
T
L
Vc
T
G
T
L
Vc
T
G
T
L
Vc
T
G
T
L
CN13 (Blue) CN12 (Yellow) CN13 (Blue) CN12 (Yellow)
Remote Control
Switch (Yellow)
Remote
Control
Switch
I.U.1
Incorrect Wiring
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