Worcester GREENSTAR HEATSLAVE II External 12/18 User Instructions page 16

General checks before calling a Service engineer
1. Oil level in the tank?
2. Power to the boiler?
3. All control settings?
No boiler fault is found on over 30% of
all service call outs.
Please read the fault section of the manual before
contacting our service team.
Worcester, Bosch Group
Cotswold Way, Warndon, Worcester WR4 9SW.
Tel. 0330 123 9559
Worcester, Bosch Group is a brand name of
Bosch Thermotechnology Ltd.
worcester-bosch.co.uk
6 720 813 722 (2014/09)
WORCESTER, BOSCH GROUP:
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0330 123 3366
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