Service manual OEB/OES/OGB/OGS
KD / 31.03.2009 5_00d_Fehlersuchliste_h_En.doc
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easy
touch
OEB OES OGB OGS
Error
message
Error description
Possible cause or remedy
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
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 12
E03.8-
xxx-yyy
Temperature of the
fan motor 2 (bottom)
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
E03.16-
xxx-yyy
The speed sensor of
the fan motor 2
(bottom) 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
E03.32-
xxx-yyy
Error frequency
converter 2 (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
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 12