Convotherm OEB Series Service Handbook page 259

Service manual OEB/OES/OGB/OGS
OEB OES OGB OGS Defect
5.2 General
KD / 19.08.2009
5.2.1 No interior lighting, however
appliance fully functioning
5.2.2 After starting a programme
appliance not functioning
5.2.3 Not enough water,
however no display of the
insufficient water symbol in the
display of the electronics, boiling
dry of the immersion heaters
5.2.4 Water runs underneath the
floor of the appliance from the
condenser overflow
5.2.5 Water inside the oven
5.2.6 No temperature increase
in convection mode
5.2.7 Uneven browning
Possible cause or remedy
Light bulb of interior light defective
•
Microfuse defective
•
Doors not closed
•
Magnet on the door is not in the right
•
position
Solenoid switch in the door stud defective
•
Check setup of the appliance (examine floor
•
model for warping)
Appliance is set to dummy version
•
normal version: c12=305; c13=999 (at
easyToUCH units see chapter 6.6)
Due to insufficient rinsing of the steam
•
generator foaming water
Water level sensor has short circuit to earth
•
due to contamination/calcium in the steam
generator
Contact problem on level sensor (possibly
•
short circuit to earth)
Opening in the area in the steam generator
•
touching the water closed by calcium
deposits
Building's drainage pipe blocked
•
Building's tundish funnel blocked
•
Dirt filter in the outflow of the working
•
chamber contaminated
Condenser blocked (dirt filter not present)
•
Demoisturisation tray dirty
•
Safety temperature limiter B7 has tripped
•
Heater contactors do not pull in
•
a) Contact problem on heater terminals
b) Heater contactor defective
Hot air heaters defective
•
Suction plate not correctly fitted
•
Heat produced by the hot air heater is too
•
low
Application error: e. g. not sufficiently pre-
•
heated
Load not centrally placed in the oven
•
5_00e_Troubleshooting list and error messages - Electronics_h.doc
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