THERMAflow Ltd | THERMAFLOW® ELECTRIC COMBINATION BOILER |
Tel: 0870 850 5207
28
Fault Diagnosis E10 or single rate supply.
R3
LP
R1
POWER
HL1
HL2
R2
NO POWER
LOW WATER PRESSURE
HIGH LIMIT 1
– TRIPPED – E10
HIGH LIMIT 2
– TRIPPED – E10
OFF PEAK CONTROL IS OFF OR BOILER HAS REACHED TEMPERATURE
OFF PEAK CONTROL
– WINTER CHANNEL OFF
SUMMER CHANNEL ON