Biasi RINNOVA ADAPTIVE 25S User Manual And Installation Instructions page 9

LCD FUNCTION
b
E11 +
Parasite flame.
A
E12 +
Return NTC probe failure.
A
E13 +
Delta T M-R > 40K.
Pump fault or prima-
b
E14 +
ry temperature above
105°C.
Temperature
A
E14 +
ent circulation failure
(>2K/s).
b
No ∆T heating at start-
E18 +
up.
A
Auxiliary Input Probe
E19 +
Anomaly.
b
EVG lockout (valve pilot-
E20 +
ing hardware failure).
b
EVG lockout (valve con-
E21 +
trol Relay Failure).
b
EVG lockout (flame after
E22 +
closing valve Ref. EVG).
A
Gas valve modulator dis-
E23 +
connected.
A
Anomaly due to proba-
E24 +
ble chimney obstruction
b
Flame loss for more than
E25 +
6 consecutive times.
BOILER DESCRIPTION
LCD
E26 +
E40 +
E42 +
E44 +
gradi-
E50 +
E62 +
E65 +
E68 +
E77 +
E78 +
E79 +
E89 +
FUNCTION
Maximum
A
fault between the 2 heat-
ing NTC probes.
A
Incorrect mains frequen-
cy detected
A
Buttons fault.
Fault of cumulative gas
b
valve timeout without
flame.
A
OT communication fault.
A
Calibration request.
System fails to control
A
combustion and exits
modulator control pa-
rameters
A
Probably low gas pres-
sure
A
System out modulator
control parameters
A
Possible low gas pres-
sure
A
System out modulator
control parameters
Internal error (usually
hardware) or problems
b
with the mains electrical
supply (excessive distor-
tion of waveform).
deviation
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