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Hello everyone. i hope you are doing good.
Today's video is on MFHF Troubleshooting. recently i have attended MFHF control unit for defect, display unit is continuously flicker even after restarting control unit. main output feedback is coming from DSC Transceiver. after inspection we found transmitter is directly connected with battery charger. even we switch off battery charger but there was battery backup and couldn't restart Transceiver . so in this case i had to remove main power 24VDC to Transceiver. work has to be done by professional. After disconnect + connection to transmitter system got reset and fault was resolved. then we did self test and weekly MFHF coast station test. all found satisfactory. i hope this video will helpful for any type DSC control unit.
thanks for watching my video.
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