Service manual OEB/OES/OGB/OGS
KD / 31.03.2009 5_00d_Fehlersuchliste_h_En.doc
Page 8 / 21
easy
touch
OEB OES OGB OGS
Error
message
Error description
Possible cause or remedy
E22.3
ID=8
CTS3 core
temperature sensor
failure
(B10- thermoelement)
interruption
• Sensor wiring interrupted (plug X16 of the control
module)
• CTS sensor (B10) interrupted (more than 2
thermoelements defective)
E22.4
ID=9
CTS4 core
temperature sensor
failure
(B10- thermoelement)
interruption
• Sensor wiring interrupted (plug X16 of the control
module)
• CTS sensor (B10) interrupted (more than 2
thermoelements defective)
E23.0 Steam generator (B4
thermoelement)
interruption
• Sensor wiring interrupted (plug X16 of the control
module)
• Steam generator (B4) interrupted (defective)
E23.1 Steam generator
(sensor B4 in boiler )
- short circuit to earth
• Thermoelement sensor (B4) has contact with
appliance housing due to boiler overheating
• Steam generator (B4) defective
E24.0 Bypass sensor (B5-
thermoelement)
interruption
(not for 6.06)
• Sensor wiring interrupted (plug X16 of the control
module)
• Bypass sensor (B5) interrupted (defective)
E24.1 Bypass sensor -
(B5 in the bypass
pipe) short circuit to
earth
• Thermoelement sensor (B5) has contact with
appliance housing
• Bypass sensor (B5) defective
E25.0
ID=3
Condenser sensor
(B3- thermoelement)
interruption
• Sensor wiring interrupted (plug X16 of the control
module)
• Condenser sensor (B3) interrupted (defective)
E25.1
ID=12
Condenser sensor -
(sensor B3 in
condenser) short
circuit to earth
• Thermoelement sensor (B3) has contact with
appliance housing
• Condenser sensor (B3) defective
E26.0 Safety temperature
limiter (B8-
thermoelement)
interruption
• Sensor wiring interrupted (plug X17 of the control
module)
• STL (SG) sensor (B8) interrupted (defective)
E26.1 Safety temperature
limiter - (B8 in boiler)
short circuit to earth
• STL (SG) Thermoelement sensor (B8) has contact
with appliance housing due to boiler overheating
• STL (SG) sensor (B8) defective
E27.0
ID=19
STL (B8-
thermoelement)
excessive
temperature
(STL measures a
temp. >130°C in the
SG when SG heaters
switched on)
• Foaming in the steam generator when cooking (due to
e.g. wrong, non-original CONVOTHERM cleaning
agents)
• Calcification of the steam generator
• Boiling dry of the immersion heaters due to double
level sensor's short circuit to earth
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