Elba R410A Instrukcja Naprawy Pobierz pdf (Strona 93)

Troubleshooting Guide

- 97 -

Only for training and service purposes

LGE Internal Use Only

8) Troubleshooting CH24, CH25

TRANS1

50Hz, DC12V

Press S/W Open

Input voltage

• Low / High press

S/W open.

• Abnormal Input voltage

(140Vac , 300Vac )

• Check the connection of “CN_Press”.

• Check the components.

Check the power source.

• Check the components.

Display

code

Title Cause of error Check point & Normal condition

Check Point

• CH 24

1. Check the connection of "CN_PRESS"

2. Check the component of press switch.

3. Check the install condition for over load.

4. Check the SVC V/V open.

5. Check the leakage of refrigerant.

• CH 25

1. Check the power source.

2. Check the components

❈ Trans1

- Primary resistance : 2.27kΩ ±10%

- Secondary resistance : 9Ω ±10%

1 2 ... 88 89 90 91 92 93 94 95 96 97 98 ... 143 144

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Elba R410A Instrukcja Naprawy Strona 93