* Self-diagnosis CHECK LIST
To do list
5. Check the installation status
5-1. Function for failure diagnosis
137
LED
Item Trouble contents Diagnostic method
F R
Comp Abnormal
current Detection
When ther is abnormal crrunt
detected at the Compressor
1. When Comp wire is un connected
2. Bad condition of R1 (ex Bad soldering)
3. Other cases, Check the COMP, cycle,
etc
Motor Locked
Over RPM
When there is a Compressor
restriction error
1. Check the COMP. locking
2. Other cases, Check the cycle.
Comp under
voltage
When there is a low voltage
error
1. Check the Input Voltage
2. Check the Resistor(R309, R310, R311,
R312)
Comp over
voltage
When there is a over voltage
error
Sparkling Tank
Overflow
Display error when open error
is detected by sparkling tank
overflow : separation of
Sparkling Tank Overflow
Sensor housing part, contact
error, disconnection, short
circuit.
The voltage of ASSY PCB KIT CN30- “1”
CN30-”2”:
shall be over 4.5V
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