Troubleshooting CVH1525(G), CVC1700G
26
Fault Possible cause Remedy
No spark when spark
ignition button is
pressed.
Spark ignition defective ➤ Ignite burner manually.
➤ Contact an authorized
service agent for repair.
Burner does not ignite.
Spark ignition is working.
Gas supply valve is closed. ➤ Open the gas supply
valve.
Control button is set to “Flame
off”.
➤ Turn the control knob to
the desired position
between “Low flame” and
“high flame”.
Wrong control knob is turned. ➤ Ensure the control knob
that is turned corre-
sponds to the burner to
be light.
Burner ports are blocked. ➤ Remove, clean and rein-
sert the burner.
Burner goes out when
control knob is released
Control knob is not set between
the position “Low flame” and
“high flame”.
➤ Turn the control knob to
the desired position
between “Low flame” and
“high flame”.
Control knob not held down
long enough for flame safe-
guard to engage.
➤ Press and hold the control
knob for 5 s so that the
flame safeguard can be
activated.
Faulty connection or defective
flame safeguard.
➤ Contact an authorized
service agent for repair.
Uneven flame pattern or
slight flame lifting
Burner ports are blocked. ➤ Remove, clean and rein-
sert the burner.
At minimum flame set-
ting, the flame is too high.
Incorrect setting of the regula-
tor.
➤ Contact an authorized
service agent for repair.
Gas supply pressure too high.
Wrong injection valve installed.
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