40
ENG
MC DUCT +03U400025 - rel. 4 - 20201201
Line
Problem
Cause
Solution
9
Controller does not
function: Display on but
no function
C1 Power off
S1
Check that the on/off switch is in the on position.
C2 No demand
S2
Check the displayed value versus the set point. (Is there a
demand for humidification?) The system will only come on
if there is a demand.
C3 Parameters are incorrect
S3
Check the program parameters of the controller. Refer to the
lower right hand corner of the wiring diagram supplied with
the cabinet, for the factory recommended settings.
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