Nexon_WPCF ECU Service guide and replacement procedure 3. WPCF ECU trouble shooting procedure 3.1. Pre-checks/tasks for trouble shooting the WPCF ECU Table 1 shows the pre-checks to be done for trouble shooting the WPCF ECU functionality Table 1: Trouble shooting guide Effect of trouble Action to be taken Possible cause Charger taking more time for Check the FAN part/FAN Duct Check -T1 charging or frequent trip during charging. Smart phone not getting Check the status Check –T2 charged Foreign object detected Check if any metal object e.g. coin on WPC charging pad Check –T3 message displayed on head Surface Unit Error message displayed on Check if High/ low voltage Check –T4 Head Unit supply or FAN failure or permanent ECU faulty 3.1.1. Check – T1 Check the operation of FAN integrated with wireless power charger. o Check if FAN integrated with wireless charger is working by removing the Charging Pad and check air is blowing out from FAN Ducts. o Check if anti-skid mat bottom surface has air blockage in vent channel and in its surface holes this can cause FAN air to block. Title: Nexon_WPCF ECU Service guide and replacement procedure Spec Num 2921 XX XXX A XXXXTBD Date: 28-Jan-2022 Version: 2.2 Page: 12 of 25 Prepared: Swati Yogi/Ganesh G. Checked: Awanish T. Approved: Himanshu Saxena This specification is the exclusive property of Tata Motors Limited. Without their consent, it may not be reproduced or given to third parties. The above specifications are subject to change and therefore suppliers are requested to refer the latest one. CONTROLLED COPY FOR RESTRICTED CIRCULATION © TATA MOTORS LTD.
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