Summary:
This article provides step-by-step troubleshooting for Android tablet-to-meter Bluetooth communication problems in Cargas Energy Mobile Delivery (e.g., timeouts, return code or printer errors). Key steps include verifying cable and Bluetooth connections, power-cycling the FireFly/Parani adapter (ensure LED is lit; E:Count may require a full truck power cycle), rebooting the tablet and truck/register, clearing pending deliveries, testing another tablet/node, and performing a manual pump-and-print to determine whether the fault is with the truck/register (contact mechanic) or the app (contact support); links to adapter-configuration and register troubleshooting articles are provided.
Issue / Question :
This article will provide generic troubleshooting steps to isolate or resolve issues relating to tablet/meter communication when using an Android tablet with Bluetooth communication to the meter.
If your driver is receiving errors related to meter communication, including timeouts, return code errors, printer errors, etc. please follow the below steps
Environment:
Cargas Energy
Mobile Delivery
Resolution / Answer:
Ensure that all cable connections between the register and printer are secure.
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Briefly unplug the FireFly/Parani adapter's power source and then reconnect to power cycle the adapter. After it is powered, make sure that the FireFly/Parani's LED is lit.
If using an E:Count register, this adapter may be powered by the PCM and require a full truck power cycle to reset.
If using a Parani adapter, confirm the LED blink rate: a fast blink (about 3 times per second) indicates it is in the correct pairing mode, while a slow blink or no light showing can indicate it is not ready to pair; if the LED is not blinking quickly 3 times, power cycle the adapter again until it returns to the fast/correct blink.
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Check the Android OS settings to make sure the Bluetooth is enabled.
In the tablet's Bluetooth settings, unpair or forget any existing Bluetooth devices related to the truck (previous adapters or printers) so you are starting with a clean list.
Pair the Parani/FireFly adapter first, confirm it connects, and then pair the Blaster (or other) printer, if using a Bluetooth printer; avoid pairing additional Bluetooth devices during testing.
After pairing, open the Mobile Delivery app and complete the truck/printer setup so the app can use the paired devices, and verify that the Bluetooth address selected in the app for the printer matches the device you paired in the tablet settings.
Clear the register of any pending deliveries and ensure a fresh ticket is loaded if applicable.
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Fully power cycle all components in the communication chain.
Reboot the tablet.
Power cycle the FireFly/Parani (see step 2).
Turn off the truck to cut power to the register, then restart the truck.
Test on another tablet.
Check that the meter node is correct/try a different node if doing a truck set up.
If the above steps fail, attempt to perform a manual pump and print delivery through the register.
If all above troubleshooting steps fail, and the driver is also unable to perform a pump and print, manual delivery, then this indicates a truck/register issue and will need to be looked at by your local truck mechanic or outfitter. If the driver can successfully deliver manually but is still unable to communicate to the meter through the application, please review the related articles for more in-depth troubleshooting or contact support.
Related Articles:
If the Firefly Bluetooth adapter is new, the adapter needs to be configured before it can work with Mobile Delivery and a register. Please see GridConnect FireFly - Bluetooth adapter configuration
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