Service Manual
17
Troubleshooting Guide
Possible Trouble 2
The compressor does not operate.
Possible Trouble 3
The compressor always operate.
Is setting
Temp. set lower than Room
Temp.-0.5
°
C?
Is the voltage No.10
of IC7 0V?
• Exchange IC7.
• Select the setting Temp. to lower Number.
• Wait 3 Minutes.
Is the Unit for 3 minutes
delay?
• Exchange MAIN
PCB Ass'y.
Is the voltage N0.7 of
IC 7 DC 5V?
• Check the RY-COMP.
• Check the wiring
Diagram.
NO
NO
NO
YES
YES
YES
YES
Is the wire connection of
RY-COMP all right?
• Check the RY-COMP.
• Connect LEAD Wire to
RY-COMP again.
NO
YES
NO
Summary of Contents for L6004R
Page 22: ...P NO MFL37825901 JANUARY 2007 ...
