Follow the instructions below to trace a fault when running through control heaters in 'heating' mode.
"Use with circuit descriptions and wiring diagrams. NOTE: This is for guidance
only, it is not possible to include all wiring faults."
Starting
Selector switch to "Heating" (Guards and Local panels)
Isolator "On" (Guards panel only)
What happens?
- 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
