Google Nexus 4 Battery icon does not appear while charging

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http://android.stackexchange.com – It so happened that my LG google nexus 4 was water damaged. I kept it under a bulb to dry the water for 1 day Next day I took it to LG service center, he opened the phone and removed the water and asked me to charge the phone for 5 hours. I connected the phone to power cable. RED LED light kept on blinking for all 5 hours and I thought it was charging. Then I disconnected and tried to charge it on but it did not work. I disconnected from power pressed and hold volume control button and power button and connected the power. I kept holding on for almost an hour. Then I left it to charge. Still I (HowTos)