Glow-worm 56/3e Back Boiler - Manual (Page 24)

24 221725B
9.1 Electrical
Carry out the preliminary electrical system checks as contained
in a multimeter instruction book.
Refer to electrical fault finding chart, diagram 9.1 and functional
flow wiring diagram 9.2.
On completion of the fault finding task which has required the
breaking and remaking of electrical connections, the checks for
earth continuity, short circuit, polarity and resistance to earth
must be repeated.
9.2 Thermocouple
To test the thermocouple, a meter with a range of
0 - 30mV is required together with a thermocouple interrupter
test unit.
9.3 Electrical Fault Finding Back Boiler
Refer to diagram 9.1.
9.4 Flue Blockage Safety Device and Ignition
Fault Finding
To check the safety device and ignition, refer to fault finding
chart, diagram 9.1.
9 Fault Finding