Download Glow Worm - Compact 80e

12 Servicing
7647
12.6 Spark Gap
Check that the spark and sensing gaps are as shown in diagram
12.6.
12.7 Operational Checks
Light the boiler, carry out operational checks and any necessary
adjustments as described in “Commissioning” in the Installation
Instructions.
4mm
1.5mm
- 2mm
12.8 Completion
Slide the outer case front on secure with the nuts previously
removed.
7076
IGNITION
ELECTRODE
PRODUCTS
PROBE
SENSING
ELECTRODE
1.5mm
- 2mm
IGNITION
ELECTRODE
Diagram 12.7
SPARK GAPS
Diagram 12.6
13 Fault Finding
13.1 Initial Checks
supply is available and water flows freely from the hot taps.
Close the taps.
If the boiler fails to operate, first check the following:1) That the electrical supply is available at the boiler and the
fuses are in order.
6) With the boiler Summer/Winter Button “J” set to Winter “K”,
see diagram 4 User Instructions, check that all heating system
controls, if fitted, are working correctly and calling for heat. If not
isolate the boiler from the electrical supply.
NOTE: THE BOILER CONTROL BOARDS CAN BE DAMAGED
BY INCORRECT TESTING OF COMPONENTS AND WIRING
WITH THE POWER ON.
Test for continuity, at mains.
2) Make sure that the system pressure gauge registers 0.7bar,
minimum, and that the automatic air vent works. Refer to
Installation Instructions, Section 10.2.
7) Check Summer/Winter Button “J” is set to Winter, see
diagram 4 User Instructions. In certain circumstances the red
neon light may not come on, due to no system demand. Turn on
a domestic hot water draw off tap to create a demand.
3) That the gas supply is available at the boiler and purged of
air.
Allow the boiler and system to cool down waiting at least a
minimum of four minutes before pressing Summer/Winter Button
“J” to set to Winter “K”.
4) That the boiler is set for the required service.
5) With the boiler Summer/Winter Button “J” set to summer “L”,
see diagram 4 User Instructions, check that the domestic water
If this is satisfactory proceed with the detailed fault finding as
Section 13.3.
27
221742D