LG LXFS28596 Series, Руководство по обслуживанию

Страница: 85 / 108

4. Over Voltage Trip and LED Blinking 4 times (Over Voltage Trip)

Purpose : Protection the PCB by Over Voltage.

Cause : DC Link Over Voltage Input(over 450V
DC
)

Logic : After the Comp. Off every 90 seconds restart Comp.
LED 4 Blinks
Replace PCB
LED 4 Blinks
About 5min
Reset
Test Mode
1 Input
Blink Blink OFF Blink OFF Blink Blink Blink Blink Blink
What to do per LED Blinking and Trip protection Logic
5. Lock Piston Trip and LED Blinking 5 times (Locked Piston)

Purpose : Detect locked piston.

Cause : Oil shortage of the cylinder, Cylinder or Piston damage, clogging the discharge, Comp. internal debris.

Logic : After the Comp. Off every 2 min 30 seconds restart Comp.
Blink OFF BlinkBlinkBlinkBlink
Check
the Protection Logic
Check the L/Piston or
LED blinking 5 times
(Locked Piston Trip)
Do not operate
Comp.?
Recheck
Reset
Do not operate
Comp.?
N
Y
Replace
Compressor
Clogging the Cycle?
N
Y
Repair
Sealed system