Rinnai E75CN - Manual (Page 70)

Installation & Servicing Instructions Rinnai E-Series
70
check the data
in Error mode
1 error
2 operational
status
3 supply temp.
4 return temp.
5 kW burner
6 % pump
there is a temperature
difference between
supply (3) and
return (4)
no temperature
difference between
supply (3) and
return (4)
boiler has gone out
after ignition
ionisation flow,
ionisation cable or the
O
2
setting
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
no flame formation
boiler data during error
due to insufficient
ionisation the burner
has gone out after
ignition
the minimum
ionisation flow should
be 4 µA, the O
2
should
be 4.7 %
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
15.2.3 Error 02
1 = 02
2 = 02
3 = xx*
4 = xx*
5 = xx**
6 = xx*
* = variable value
**= x 3451 = BTU/hr