Issue 1.1 18/07/03 SIMRAD
36
8 FAULT FINDING
Common User Faults. Common user faults are included in the LED Diagnostics
guide included in the user manual.
Common Technical Faults.
1 Symptom 2 Probable Cause
Pilot drives in 1 direction only, or
no drive at all
Blown drive FETs in SRD12 PCB -
Commonly due to short circuit on data
lines from another unit in the system –
usually incorrect wiring by user.