LiftMaster JDC Installation Manual - English French Spanish - Page 58

Troubleshooting (continued) Code Display Message Description Possible Causes Diagnosis Resolution F63 F63 WE BLE Wireless edge Transmitter/ WE BLE MISS error Pair transmitters to the F64 MISS receiver lost receiver pairing receiver F64 WE BLE BLE (wireless) issue MISS communications with edge Dead battery in Check transmitter battery Replace batteries F64 - CLOSE transmitter power direction edge F63 - OPEN direction edge Interference in 2.4GHz band Check for other devices using the 2.4GHz band that may be causing Reduce 2.4GHz band congestion interference If other 2.4GHz devices have interference problems (e.g. Bluetooth® headset) there is likely interference. Distance between transmitter and receiver is too far Intermittent or complete loss of signal Shorten distance between transmitter and receiver Bad transmitter Swap transmitter(s) with known-good transmitter(s) and pair to the receiver If a known-good transmitter resolves the issue, replace the bad transmitter Bad receiver Swap receiver with If known-good receiver known-good receiver and resolves the issue, replace pair to the transmitters the bad receiver F65 F65 WE I2C Wireless edge Wireless edge Wireless edge If the wireless edge is no F66 MISS is configured, removed intentionally removed longer wanted, it can be F66 WE I2C but the main unlearned from the safety MISS powerhead devices menu by using the board cannot LCD wall control. communicate with the wireless edge receiver. F66 - CLOSE direction edge F65 - OPEN Communication cable disconnected or damaged Check cable between receiver and powerhead main board for disconnection or damage to the cabling. Correct any issues or replace any faulty parts. direction edge Firmware glitch Power cycle the operator If the steps listed in the or transient completely. If the power diagnosis resolve the issue, condition cycle does not resolve there may have been a the issue, restore factory transient condition that defaults settings and caused and issue that was reconfigure the operator. resolved. If the issue occurs excessively, the problem may lie elsewhere. Bad receiver module or bad powerhead main board Replace the receiver module with a known good unit. If the problem is resolved, replace the receiver with a new one. If the known good unit still does not work, replace the powerhead main board. Other bad accessory on the I2C expansion bus Temporarily remove other accessories from between the wireless edge receiver and the powerhead main board If issue is resolved, add accessories back one by one to find the accessory that causes the issue, then troubleshoot that device 58