Error in the flue gas system. (Too much or too little resistance in air flow) ▶ the fan speed is higher than expected due too missing exhaust. ▶ the fan speed is to low due to an obstruction in the exhaust.
Worcester Bosch Greenstar 2000 Combi
Category
V
Remedy
Test Procedure: ▶ Check the flue gas system. Corrective/ Measure: ▶ Mount the flue gas pipe correctly. ▶ Remove the obstruction from the gas pipe.