Service manual OEB/OES/OGB/OGS
KD / 19.08.2009 5_00e_Troubleshooting list and error messages - Electronics_h.doc
Page 8 / 21
easy
touch
OEB
OES
OGB
OGS
Error
message
Error description Possible cause or remedy
ID=2
interruption
• Steam generator sensor (B4) interrupted
(defective)
E23.1
ID=11
Steam generator
(sensor B4 in boiler )
- short circuit to earth
• Thermoelement sensor (B4) has contact with
appliance housing due to boiler overheating
• Steam generator sensor (B4) defective
E24.0
ID=4
Bypass sensor (B5-
thermoelement)
interruption
• Sensor wiring interrupted (plug X16 of the control
module)
• Bypass sensor (B5) interrupted (defective)
E24.1
ID=13
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
ID=1
Safety temperature
limiter (B8-
thermoelement)
interruption
• Sensor wiring interrupted (plug X17 of the control
module)
• STL (SG) sensor (B8) interrupted (defective)
E26.1
ID=10
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
E29.0 Short circuit to earth
of a thermoelement
• A thermoelement sensor has contact with appliance
housing
• Connection between sensor wire and sensor housing
Test individual sensors for short circuit to earth
(beginning with CTS)
E29.1
ID=15
CTS1 short circuit to
earth
• Thermoelement sensor B10 has contact with
appliance housing
Possible cause:
a) Sensor wiring broken
b) Water has entered measuring tube
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