Convotherm OEB Series - Page 248

Service manual OEB/OES/OGB/OGS
KD / 19.08.2009 5_00e_Troubleshooting list and error messages - Electronics_h.doc
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easy
touch
OEB OES OGB OGS Error
message
Error description Possible cause or remedy
  
E01.1 Level reached too
slowly
• Filling time of steam generator too long;
Possible cause: Water supply not completely open
or supply blocked
    
E02.0
ID=24
Excessive
temperature in the
wiring space
At a temperature > 45°C
the auxiliary fan is
switched on. Error
threshold at 80°C
Fan runs permanently in
the OGB and OGS.
• Vent slits blocked by an inadequate space between
appliance and wall
• Air supply blocked
• Minimum distance to heat sources not observed
• + and - of the 12 V auxiliary fan reversed
    
E03.0-
0-0
ID=72
Fan malfunction
(excessive
temperature in the
motor winding)
 thermoprotection
contact has tripped
• Fan motor M1/M2 has excessive temperature in the
winding
a) One phase is missing from the power connection
b) Fan motor is defective
c) One phase is not connected through from the
contactor
d) Microfuse F10 (6.3 A or 10 A for
floor models) has tripped
e) Thermoprotection contact in the motor winding
(bi-metallic strip) defective or interrupted
 
E03.1-
xxx-yyy
Temperature of the
fan motor 1 (top) too
high
• Fan motor has excessive temperature in the
winding (over 165°C)
a) One phase is missing from the power connection
b) Fan motor is defective
c) One phase is not connected through from the
contactor
d) Microfuse F10 (6.3 A or 10 A for
floor models) has tripped
e) Thermoprotection contact in the motor winding
(bi-metallic strip) defective or interrupted
• For an explanation of the parameter xxx-yyy-zzz
see the end of 5.1  page 12
 
E03.2-
xxx-yyy
The speed sensor of
the fan motor 1 (top)
is no longer
reporting a speed
• Motor speed not reached
• Speed sensor on the motor defective
• Mains voltage supply has faults, possibly also
undervoltage
• Frequency converter defective
• FC dirty
• For an explanation of the parameter xxx-yyy-zzz
see the end of 5.1  page 12
 
E03.4-
xxx-yyy
Error frequency
converter 1 (for top
motor)
• Mains voltage supply has faults, possibly also
undervoltage
• Frequency converter defective
• FC dirty
• Wiring space temp. too high (but E02 is not being