Bosch GREENSTAR HEATSLAVE II EXTERNAL 12/18 User Instructions & Customer Care Manual page 20

If the boiler fails to give
complete satisfaction,
please check the following
before calling for a service
engineer:-
General checks
1. Oil level in the tank
2. Power to the boiler
3. All control settings
NOTE: NO BOILER FAULT IS FOUND ON
OVER 30% OF ALL SERVICE CALL OUTS.
Please read the fault section of the manual before con-
tacting our service team.
Dedicated to heating comfort
Worcester, Bosch Group
Cotswold Way, Warndon, Worcester WR4 9SW.
Tel. 01905 754624 Fax. 01905 754619
worcester-bosch.co.uk
Worcester, Bosch Group is a brand name of Bosch Thermotechnology Ltd.
6 720 805 212a (07.2013)