Okofen PE 08 Operating Manual page 159

Malfunction report
13.1b Sensors KTY2K - Heating controller + Boiler Controller (Fault 2001 to 2020 and 5000 bis 5007) –
short circuit
Type of fault
Code :
Description:
Cause and Remedy:
Short circuit
2001
HC1 Flow SC
2002 DHW1 OnSensor SC
2003 Outside Sensor SC
2004 Boiler Sensor SC
2008 TPO1 SC
2009 TPM1 SC
2011 TPU1 SC
2012 Flow Energy1 SC
2013 Return Energy 1 SC
2014
ExistBoiler1 SC
2017 Cascade OnSensor SC
2018 Sonde arrêt cascade CC
2019 Circulation Return1 SC
2020 WW1 Aus Fühler KS
5001 PE1 Reserve sensor1 SC
5003 PE1 Reserve sensor2 SC
5005 PE1 Outside sensor SC
5007
PE1 Boiler sensor SC
Measuring circuit of KTY sensor is shorted out
Sensor defect
Sensor cable defect
Sensor temperature too low
X4
X6
X2
X3
X7
X8
X9
X16
X17
X13
X3
X3
X14
X6
R1
R2
AF
KF
Measure sensor (approx. 2k
at 25°C), replace if required
Replace sensor
Sensor temperature below
measuring range (<-10°C)
Operating Manual PELLEMATIC® PE(S)(K)(B) 10 — 56
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