Glow-worm Ultimate 3 Series User Manual

Appendix
16 Operating instructions Ultimate 3 0020239565_01
Fault Cause Measure
Product does not
start up:
– No hot water
– Heating does
not heat up
There is air in the heating installation. Purging the radiators
If the problem occurs again: In-
form the competent person
After three successive failed ignition
attempts, the system switches to fault
mode (fault code: F.28).
Press the button. The product
carries out a new ignition attempt.
If the ignition problem is not rec-
tified after three fault clearance
attempts, contact a competent
person.
Hot water gener-
ation functioning
correctly; heating
does not start up.
The external controller is not set cor-
rectly.
Set the external controller cor-
rectly (→ Controller operating in-
structions).

Glow-worm Ultimate 3 Series Specifications

General

Type	Combi
Fuel Type	Natural Gas
Efficiency Rating	A
Output	30 kW
Weight	32 kg
Mounting	Wall-mounted
ERP Heating Efficiency	94%
Model	Ultimate 3
Warranty	10 years (when installed by a Glow-worm approved installer)