Glow-worm Ultrapower sxi - Manual (Page 38)

38
Is the power switched on? Switch the power on
Successful ignition
Check wires between
main PCB and display
PCB
Does the display flash 'F'
during or after a DHW
demand?
Consult the Fault Table
Is there anything displayed
Is the display flashing 'F'?
Initiate a DHW demand.
Adjust DHW setpoint to
62 0 C and turn on a hot
water tap.
Does the boiler light?
No No
Yes
Yes
Yes
Yes
Yes
No
No
No
Yes
START
Yes
No
No
Consult the State List
13012
CENTRAL HEATING
DHW
1341
1
13 Fault Finding
Diagram 13.3