10
Trouble Shooting
ensure all tests are undertaken by a qualified, trained engineer.
ensure safe working practices are followed at all times
Step 1: Basics
• Check polarity of WHITe-LIGHT Lamp connection
red=+ve, black=-ve
• Check telemetry link is in
• Check photocell is working
• Check power setting pot fully clockwise
• Check mains input
• Check fuse intact
If OK…
Step 2: Lamp Test
Check voltage of lamp o/p approx 14V
Check current of lamp – see instructions for correct current setting
To check lamp current (this must be done while both Led panels
are connected to the PSU) ve Led from both lamp supply
cables and connect multimeter set to 10A current in line with the
lamp. [One lead of multimeter in common (COM), other lead into
10A socket of multimeter; set multimeter to 10A readings]. Refer to
PSU Specifications for correct current settings, see pages 7.