User's Manual

SDM630 DMR TIER II – OPERATING INSTRUCTIONS
© SimocoGroup Australasia 2013 page 45 TNM-U-E-0108 Issue 1.1
7. TROUBLESHOOTING
If, after reading this guide, you are unable to switch the radio on, check the following:
A fuse has not blown.
Your installer should advise you of the location of the two main fuses,
The power supply cables and their connections are secure, and
The vehicle battery is charged.
If these checks are OK, contact your dealer or Simoco representative for
further advice.