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3) If you have a spare miniClima RH/T sensor (of the same kind) at hand (i.e. from other installations), try if
the alarm goes away with another sensor plugged on (not forgetting to turn off, to wait for the possible
pumping process to be finished and to pull the mains before handling any sensor cables). If the alarm
goes away with another sensor, do get in touch to receive a replacement.
4) If the alarm remains/comes again even with a second miniClima sensor, and in those cases where a
second sensor is not at hand for this test at all, do please get in touch to discuss the next steps.
On EBCs in slave mode, the controller does not receive a correct or any signal from the foregoing unit (the
master or another slave in the chain). If the foregoing unit does not issue any alarm, continue as follows
(investigating in the outlined order):
NOTE: Always treat the first unit of a chain of EBCs that issues an alarm first.
1) See whether the foregoing master and/or the foregoing slave(s) are turned on and if yes, whether any of
them issues an alarm, too (in which case this unit, that is to say: the very first in the line, that issues an
alarm, has to be examined first).
2) Check the cable connection between the affected EBC and the foregoing one, check both RJ45 plugs
and whether they are plugged to the correct jacks: Sensor & Control in on the affected unit, Control out on
the foregoing one.
3) If all seems to be in order, you might need to replace the cable. Do get in touch or try replacing the control
line with a common category-5e patch cable, twisted pair/non-crossed, with RJ45 plugs on either end.
Please do take off the ferrite cores from the original cable and use them with the new cable. Please do
also remember the necessity to turn the chain of EBCs off (via the master unit), to wait for the possible
pumping processes to be finished and to pull the mains of the affected units before handling a control
line.
4) If a new cable doesn't help get in touch to discuss the next steps.
6 TROUBLESHOOTING
6.1 The unit stops dehumidifying before it reaches the setpoint
At certain conditions and a setpoint of 50%RH or less, it might become necessary to choose the setpoint
even lower than required. The EBC tries to slow down its work before it reaches the setpoint, so that it won't
overshoot the desired value. Especially at low setpoints this can lead to a situation where the setpoint is
actually constantly missed disregarding the fact that the EBC could easily do it. Choose a setpoint somewhat
Applies analogously to the individual products of series EBC10/11/12 (Rev.3). As of 24.11.2014. Subject
to modification.
miniClima - Manual_EBC10-11-12(Rev.3)_en
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