Fault Finding Chart - Smiths Heaters

"Through Train Control Equipment"

Starting

Selector switch to "Heating" (Guards and Local panels)

Isolator "On" (Guards panel only)

Select either:

- No failure or isolator lights on local or guards panel

- No failure or isolator lights in guards panel

- No failure lights on guards panel

- No isolator light on guards panel

- No isolator or failure light on any one local panel

- No failure light on any one local panel

- No isolator light on any one local panel

- All lights illuminate

"Use with circuit descriptions and wiring diagrams. NOTE: This is for guidance only, it is not possible to include all wiring faults."