MR MESSKO MTRAB - Error Identification and Corrective Actions

9 Error messages and troubleshooting
85BA6820378-03 EN
9.1 Error messages
The individual errors and possible corrective actions are listed in the follow-
ing table. If a suitable corrective action cannot be found in this table, please
contact MR Service & Complaint [►Section 9, Page 83].
Green
LED
Yel-
low
LED
Red
LED
Error Action
MTRAB not functioning Check whether the isolating device
is switched on for the voltage sup-
ply.
Check whether the supply voltage
is connected correctly.
Check that supply voltage
[►Section 6.5, Page 58] is in ac-
cordance with nameplate
[►Section 7, Page 76].
Check the fuse [►Section 9.3,
Page 88] and replace if neces-
sary.
Sensor failure on the
left-hand desiccant con-
tainer
Check the cable connection of the
sensor and tighten by hand if
necessary (1 Nm +/- 0.2 Nm).
Check the cable sensor for
damage.
Check the sensor contacts and
sensor cable socket for corro-
sion.
The sensor may be soiled or defec-
tive.
Sensor failure on the
right-hand desiccant
container (DB200D and
DB200G only)
Error when heat-drying
the left-hand desiccant
container
Check the wiring of the supply volt-
age; retighten terminals if neces-
sary.
Check that supply voltage
[►Section 6.5, Page 58] is in ac-
cordance with nameplate
[►Section 7, Page 76].
Check the cable for silica gel heat-
ing for damage.
The silica gel heating is probably
defective.
Error when heat-drying
the right-hand desiccant
container (DB200D and
DB200G only)