Benchmark ZWB 7-29 CC1 Installation And Servicing page 80

Failure identification procedure
EA
and
No flame ionisations signal
Check
1. Is the flame present?
2. Is the gas cock open?
3. Is there air in the supply pipe?
4. Did the thermal security of the gas
cock lock out?
32
flashing.
yes:
no:
yes:
no:
yes:
no:
yes:
no:
Action
B Note the setting of the temperature controls
and .
↓6.
↓2.
↓3.
B Open the gas cock.
B Press
, restart the appliance.
EA? ↓3.
B Vent supply pipe.
B Press
, restart the appliance.
EA? ↓4.
↓4.
B Reset security.
B Press
, restart the appliance.
EA? ↓5.
↓5.
7 181 465 346 GB (03.02)