72
INSTALLER
USERMAINTENANCE TECHNICIAN
TECHNICAL DATA
Interface board - indicator LED
CN4
CN3
RED
CN2
BLK
YEL
RED
Y-GRN
LED
63
Key (Fig. 63):
Red LED ashing = Communication between interface board and P.C.B.
valid
Green LED ashing = Communication between interface board and out-
door unit valid
Yellow LED = Not Used
Interface board - 7-segment display
During normal operation, the display shows “A0” for 1 second,
followed by“30” for 1 second:
SEGMENTS
VALID COMMUNICATION
In case of an error of the outdoor unit, a sequence of two digits at a
time is displayed: “E” plus outdoor unit error code:
ERROR CODES SEGMENTS
E101
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