When the GPS antenna failure does not recover within 90 minutes, the electronic control system will give an alarm and promptly check whether the GPS antenna is damaged or loose.
or the following two information scroll display, pay attention to the "the aircraft has been restricted to work" display time is longer, and "GPS antenna failure" is displayed once every few seconds.
When a fault occurs, be sure to observe patiently for a few seconds to distinguish the artificial first-level lock caused by the customer's delayed payment.
When GPS antenna failure occurs, it is generally whether the GPS antenna is damaged or loose. The specific inspection methods are as follows:
①If the measurement antenna core is disconnected from the external shield, the antenna must be damaged; ②If the antenna core is broken or too short to be properly docked, it will also cause antenna failure; ③observe the GPS antenna alarm record from the information platform.
When the antenna is faulty, check it through the information platform after re-plugging. ①If there is no fault record, power on again to observe whether the system no longer alarms. If the alarm is still alarmed, eliminate it according to the method of GPS communication faults;
②If the fault record still cannot be cleared, the GPS antenna is damaged and needs to be replaced. If it is good or bad, it should be replaced.
Troubleshooting method of GPS communication faults When GPS communication faults do not recover within 90 minutes, the electronic control system will give an alarm and promptly check whether the GPS antenna is damaged or loose.
or the following two information scroll display, note that "the machine has been restricted to work" is displayed for a long time, and "GPS communication failure" is displayed once every few seconds.
When a fault occurs, be sure to watch for seconds to distinguish the artificial first-level lock caused by the customer's delayed repayment.
When GPS communication failure occurs, generally it is the communication line failure between GPS and controller or the failure of GPS and controller itself. Methods as below:
① Observe the GPS indicator, if the power indicator is off, check the GPS power supply;
②If the power indicator light is on, you need to check the wiring harness and power fuse, etc.;
③ If the above is normal, check whether the harnesses 480# and 481# connected to the GPS are smooth?
④Pull and unplug the GPS aviation plug and harness plug repeatedly several times.
GPS power failure troubleshooting methods GPS power failures are generally due to line and insurance problems, so when a failure occurs, turn on the electric lock to observe the work light, if it is not bright, check the 5 pin or 10 pin of the 12-pin plug connected to the GPS harness Is there electricity?
If it stays on, check if there is electricity on pin 10 of the 12-pin plug connected to the GPS harness
