ZUM Radio troubleshooting guide
Copyright 2019-2020 ZUM Radio, Inc
5
Rev 1.0
ZUMspot RPi 3.5” LCD kit:
●
Board not found in Pi-Star or not working in a particular mode.
○
Go to
Configuration -> Modem
and make sure that “ZUMspot RPi GPIO” has been
selected.
○
Reflash firmware
■
Go to
Configuration -> Expert -> SSH
■
Login
■
Run following command:
sudo pistar-zumspotflash rpi
○
Test using MMDVMCal. More information is found under the
Using MMDVMCal
section.
■
Test Tx and Rx with the normal 433MHz frequency. If Tx and Rx work then any
issues being experienced are due to a configuration problem or the Pi-Star image
has been corrupted
●
3.5” LCD screen not showing any user info or just displaying “Initializing”
○
Does the green LED on the Pi board flash after power is applied?
■
If not then it is likely a SD card image problem
– try to reflash the card
with a new image from pistar.uk
○
Do all the LEDs on the top of the ZUMspot board flash twice after power is applied?
■
If not it is likely a power supply problem
– try to use a different power
supply
○
Verify
Nextion
display has been selected
■
Go to
Configuration
■
MMDVM Display Type should be set to
Nextion
■
Port should be set to
modem
■
Nextion Layout should be set to
ON7LDS L3
○
NOTE: There is a known issue in Pi-Star that the IP address sometimes does not
show up when connected via Ethernet
