Convotherm OEB Series Service Handbook page 106

Service manual OEB/OES/OGB/OGS
O O O O
E
Error-
E E G G
message
T
B S B S
   
E03.2-
xxx-yyy
   
E03.4-
xxx-yyy
   
E03.8-
xxx-yyy
   
E03.16-
xxx-yyy
5_00e Troubleshooting list_L
Error description
fan motor 1 (top) too
high


Just SAWI Frequency
converter

The speed sensor of

the fan motor 1 (top) is
no longer reporting a

speed

Delete from software
xxx

Just SAWI Frequency
converter



Error frequency
converter 1 (for top
motor)





Just SAWI Frequency 
converter
Temperature of the
fan motor 2 (bottom)
too high


Just SAWI Frequency
converter


The speed sensor of
the fan motor 2

(bottom) is no longer
3/27
possible cause or remedy
c) One phase is not connected through from the
contactor
d) Miniature fuse F10 (6.3 A or 10 A for
floor models) has tripped
e) Thermoprotection contact in the motor winding
(bimetal) defective or interrupted
For an explanation of the parameter xxx-yyy-zzz see the
end of 5.1  page 9
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 9
Mains voltage supply has faults, possibly also
undervoltage
Frequency converter defective
FC dirty
Wiring space temp. too high (but E02 is not being displayed
yet  check wiring space cooling
Check operation of auxiliary fan
Fan blocked or wrong motor
Motor defective
FC defective
For an explanation of the parameter xxx-yyy-zzz see the
end of 5.1  page 9
Fan motor has excessive temperature in the winding
(over 165°C)
a) One phase is missing from the power connection
b) Fan motor defective
c) One phase is not connected through from the
contactor
d) Miniature fuse F10 (6.3 A or 10 A for
floor models) has tripped
e) Thermoprotection contact in the motor winding
(bimetal) defective or interrupted
For an explanation of the parameter xxx-yyy-zzz see the
end of 5.1  page 9
Motor speed not reached
Speed sensor on the motor defective
Mains voltage supply has faults, possibly also
undervoltage
Frequency converter defective
2013-01-30