Convotherm OEB Series - Page 253

Service manual OEB/OES/OGB/OGS
KD / 19.08.2009 5_00e_Troubleshooting list and error messages - Electronics_h.doc
Page 7 / 21
easy
touch
OEB OES OGB OGS Error
message
Error description Possible cause or remedy
ID=20
Excessive
temperature (if
temperature
measured in the SG
>120°C)
agents)
• Calcification of the steam generator
• Boiling dry of the immersion heaters due to double
level sensor's short circuit to earth
    
E15.0
ID=21
Condenser sensor
(B3- thermoelement)
excessive
temperature
(if temperature in
the condenser
measured > 110°C)
• Water reservoir in the condenser too hot:
a) Tap closed
b) Appliance connected to hot water
c) Solenoid valve “condenser cooling” defective
d) Coil from the solenoid “condenser cooling”
defective
e) Inlet filter in the solenoid valve contaminated
f) Quenching nozzle in the condenser/siphon blocked
   
E21.0
ID=5
Oven sensor (B6-
thermoelement)
interruption
• Sensor wiring interrupted (plug X16 of the control
module)
• Oven sensor (B6) interrupted (defective)

E21.1
ID=14
Oven sensor B6 (in
front of fan) - Short
circuit to earth
• Thermoelement sensor (B6) has contact with
appliance housing
• Thermoelement (B6) defective
   
E22.0 Core temperature
sensor
(B10- thermoelement)
interruption (if more
than 2 measuring
points are interrupted)
• Sensor wiring interrupted (plug X16 of the control
module)
• CTS sensor (B10) interrupted (defective)
    
E22.1
ID=6
CTS1 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)
    
E22.2
ID=7
CTS2 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)
    
E22.3
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)
• Sensor wiring interrupted (plug X16 of the control
module)