Convotherm OEB Series Service Handbook page 249

Service manual OEB/OES/OGB/OGS
easy OEB OES OGB OGS
touch
KD / 19.08.2009
Error Error description
message
E03.8- Temperature of the
xxx-yyy fan motor 2 (bottom)
too high
E03.16- The speed sensor of
xxx-yyy
the fan motor 2
(bottom) is no longer
reporting a speed
E03.32- Error frequency
xxx-yyy converter 2 (for top
motor)
E03.128 Communication
failure between CM
and GM or between
GM and FC
5_00e_Troubleshooting list and error messages - Electronics_h.doc
Possible cause or remedy
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
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
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
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
Check cable connection GM to FC
•
FC defective
•
GM defective
•
For an explanation of the parameter xxx-yyy-zzz
•
page 12
page 12
page 12
page 12
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