Convotherm OEB Series - Service manual OEB;OES;OGB;OGS; Troubleshooting List and Error Messages Electronics Error Messages

Service manual OEB/OES/OGB/OGS
KD / 31.03.2009 5_00d_Fehlersuchliste_h_En.doc
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OEB OES OGB OGS Error
message
Error description
Possible cause or remedy
• Appliance not connected to soft water and therefore
inlet calcified
    
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
(not with OES 6.06)
• 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

E03.0-
0-0
ID=72
Fan malfunction
(excessive
temperature in the
motor winding)
 thermoprotection
contact has tripped
(only with OES 6.06)
• Fan motor has excessive temperature in the winding
a) Condenser defective
b) Fan motor defective
c) Contact problem on connecting wires of motor
d) Motor shaft is blocked
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