worcest danesmoor oil boiler locking out?

i have a worcester danesmoor oil boiler it runs fine until thermostat stops boiler. the air fan keeps running and eventually the lock out light comes on and light on satronic control. the water pump is still running and once the water is cooler from the boiler, pushing the reset on the satronic controler the boiler fires up normally and runs until hot again (at least a few minutes). then the cycle continues. has my controler had it tf830.b

bearsa
December 2009