Dew point alarm visible (red light and blinking dew point icon)
Condition Fault Remedy
Dryer does not start Circuit has not cooled down Wait 1 minute before restarting
the dryer
Condition Fault Remedy
Too high flow or inlet temperature too
high
Dryer undersized Try running in regular mode
Condition Fault Remedy
Phase sequence relay shut down Voltage supply connected wrong Reverse two incoming electric
lines.
Also correct the rotation direction
of the fan motor if necessary
change wiring K12:1, K12:3
Condition Fault Remedy
High pressure switch has shut down
the dryer
Condensing pressure too high Push the small button of the high
pressure switch
Clean condenser
Improve ventilation of the cooling
air
Condition Fault Remedy
Dew point alarm Dew point sensor in wrong position
or defective
Place the sensor in the correct
position or replace it.
Electronic condensate drain
Condition Fault Remedy
No LED lights up and the drain alarm
appears on the display
The power supply is faulty Check if the power supply
voltage to the drain is 115V
50/60Hz
The control Printed Circuit Board
(PCB) of the drain is defective.
Replace the complete drain
Instruction book
2920 7103 90 55
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