Napoleon GDS20N Installation And Operating Instructions Manual page 39

SYMPTOM
White / grey fi lm forms.
Exhaust fumes smelled in
room, headaches.
Remote wall switch is in
'OFF' position; main burner
comes on when gas knob
is turned to 'ON' position.
PROBLEM
Sulphur from fuel is being
deposited on glass, logs or
combustion chamber surfaces.
Appliance is spilling.
Wall switch is mounted upside down.
Remote wall switch is grounding.
Remote wall switch wire is grounding.
Faulty valve.
TEST SOLUTION
- Clean the glass with a recommended gas appliance
glass cleaner.
- DO NOT CLEAN GLASS WHEN HOT.
- If deposits are not cleaned off regularly, the glass may
become permanently marked.
- Ensure exhaust bracket gasket seal.
- Check door seal and relief fl ap seal.
- Check for chimney blockage.
- Check that chimney is installed to building code.
- Room is in negative pressure; increase fresh air supply.
- Check cap gasket on the fl ue pipe assembly.
- Reverse.
- Replace.
- Check for ground (short); repair ground or replace wire.
- Replace.
39
42.3_3
W415-0496 / H / 07.16.13
EN