Rinnai E110CN Installation & Servicing Instructions Manual page 77

Erreur / Error 02
no temperature
difference between
supply (3) and
return (4)
boiler has not been
able to ignite any gas
or has not received any
gas
check whether:
- the gas valve is
open;
- there is power to the
gas valve;
- that the gas valve
opens
check the data
in Error mode
1 error
2 operational
status
3 supply temp.
4 return temp.
5 kW burner
6 % pump
boiler tries to start
6 times with an
increasing starting
load after the safety
time
the minimum gas
preliminary pressure
during the start must
be a minimum of
7"W.C. (17 mbar),
check the 24 Volts in
the gas during ignition
block's open position
no flame formation
boiler data during error
1 = 02
2 = 02
3 = xx*
4 = xx*
5 = xx**
6 = xx*
* = variable value
**= x 3451 = BTU/hr
due to insufficient
ionisation the burner
has gone out after
ignition
the minimum
ionisation flow should
be 4 µA, the O should
2
be 4.7 %
there is a temperature
difference between
supply (3) and
return (4)
boiler has gone out
after ignition
ionisation flow,
ionisation cable or the
O setting
2
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