Forestyl Posted June 6, 2021 Report Share Posted June 6, 2021 Hello. One of my CT20 does not allow the LP 1500 to start. The countdown goes from 9 to 0 and stands there. What could be the error on the CTL20 ? Should it be the backup battery ? The two circuits protectors (CP) are OK. 1. How to recharge Sanyo Backup on CTL20 Board ? 2. How to replace Sanyo Backup battery on CTL20 board ? Can I just remove it compmetlu and replace the same way like a condenser ? Quote Link to comment Share on other sites More sharing options...
Forestyl Posted June 9, 2021 Author Report Share Posted June 9, 2021 Quote Link to comment Share on other sites More sharing options...
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