Panasonic CW-XC244HU - Manual (Page 22)

—22—
Is Temp.
setting lower than Room
Temp. 0.5
°
C(1
°
F)?
Is the voltage No.11
of IC01M 0V?
• Replace IC01M.
• Set the Temp. setting to lower Temp.
• Wait 3 Minutes
Is the Unit for 3 minutes
delay?
• Replace MAIN
P.C.B Ass'y.
Is the voltage N0.7 of
IC01M DC 5V?
• Check the RY-COMP.
• Check the wiring
Diagram.
NO
NO
NO NO
YES YES
YES
YES
Possible Trouble 2 • The compressor does not operate.
Is the wire connection of
RY-COMP all right?
• Check the RY-COMP.
• Connect LEAD Wire to
RY-COMP again.
NO
YES
Possible Trouble 3 • The compressor always operate.
• Replace IC01M.
• Replace IC01M.
Is the voltage NO.1 or 2 or 4
of IC01M DC 5V?
Is the voltage
NO.13 or 15 or 16
of IC01M 0V?
• Check the RY-Hi or
RY-Lo.
• Check the wiring diagram.
NO
NO
YES
YES
Possible Trouble 4 • Fan does not operate.