Metos 92/04 CG1P, Руководство пользователя

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8.7.2004 Rev. 1.0
Troubleshooting
36
7. Troubleshooting
Users are not allowed to perform any maintenance operations on any parts of this appli-
ance. Maintenance should be carried out by an authorized technician.
TROUBLE POSSIBLE CAUSES
MAINTENANCE
FOR THE USER
FOR THE TECHNICAL
SUPPORT SERVICE
OPEN FIRES
Pilot burner won’t
light:
pressure drop in gas sup-
ply pipe; contact the gas utility compa-
ny;
clogged nozzle;
remove the dirt from the noz-
zle;
gas valve damaged; replace it;
After releasing the
knob, the pilot burner
goes out:
valve knob has not held
down or it has held down
not enough time to allow
the thermocouple to get
hot;
repeat the ignition;
thermocouple faulty; replace it;
gas valve damaged; replace it;
Pilot flame stays lit, but
burner won’t light:
pressure drop in gas sup-
ply pipe; contact the gas utility compa-
ny;
clogged nozzle;
remove the dirt from the noz-
zle;
gas valve damaged; replace it;
gas outlet holes on the
burner crown are
clogged;
clean the crown;
burner components are
not placed one over the
other correctly;
place them properly.
Turning the fires igni-
tion knob from max. to
min., the burner
switches off:
minimum level is too
low;
adjust the minimum level (see
chapter “Adjusting the mini-
mum level” in the section “Ad-
justment instructions”).