10 Fault elimination
Maschinenfabrik Reinhausen GmbH 2020360 6385142/08 ENETOS
®
ED
Characteristics/details Cause Remedy
Oil temperature difference limit
value
Single-column application:
▪ Event No. 1890 or 1891
Multi-column application:
▪ Event No. 1892 or 1893 (col-
umn A)
▪ Event No. 1894 or 1895 (col-
umn B)
▪ Event No. 1896 or 1897 (col-
umn C)
Oil temperature difference between
selector and diverter switch is
greater than the > limit value.
Check the measured value for plausibility.
This event will be reset automatically once the
measured value is lower than the limit value
again.
Oil temperature difference between
selector and diverter switch is
greater than the >> limit value.
Configuration error Check the configuration of the analog input
[►Section 9.29, Page 292].
Check the limit value setting.
Wiring error Check wiring as per connection diagram.
Single-column application:
▪ Sensor CT387, terminal X6.1:13-16 and
sensor CT390, terminal X6.1:9-12
Multi-column application:
▪ Column A: Sensor CT387, terminal
X6.1:13-16 and sensor CT390, terminal
X6.1:9-12
▪ Column B: Sensor CT388, terminal X6.2:1-4
▪ Column C: Sensor CT389, terminal X6.2:5-8
Sensor defective Replace sensor
Sensor for bottom-oil tempera-
ture defective
▪ Event No. 1862
Sensor defective Replace sensor
Table132: Temperature monitoring
10.7.5 Maintenance messages
Characteristics/details Cause Remedy
OLTC maintenance is required
▪ Event No. 1146
The limit value for maintenance
has been reached.
Carry out maintenance work and then confirm
this in the visualization.
Maintenance work has been car-
ried out but not confirmed in the vi-
sualization.
Confirm maintenance work in the visualization.
Visualization operations counter
offset.
Compare visualization operations counter with
the motor-drive unit operations counter and
correct if necessary.
Maintenance data incorrect Call up the maintenance log and check the
date of the last maintenance work.
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