DencoHappel ZGF.1E series Operation Manual page 145

Flex-Geko Fan Coil Unit
Fault
Condensate pump
Condensate pump does
not run
Excessive pump noise
Humidity sensor with no
voltage
Excessive noise (vibra-
tion) of unit and pump
assembly
Tab. 8-2: Causes of malfunctions and remedies
PR-2011-0115-GB • Subject to modifications • R4-12/2015
Possible Cause
Pump fuse is faulty
Pump humidity sensor is faulty
Pump thermal contact is faulty
Pump coil is faulty
Wiring has became loose
Pump not sucking in any condensate
Intake basket clogged or dirty
Suction or pressure hose not properly at-
tached (possible structure-borne noise)
Pump mounting loose
T500 mA fuses defect
Wiring loose or detached
Pump mounting loose
Pump sucks in air
Unit mounting position not level
If the fault cannot be eliminated by the maintenance personnel, please consult our
authorized service department.
Safety and User Instructions
Action/remedy
Replace fuse (technical personnel only)
Replace humidity sensor (techn. person)
Replace pump ( technical personnel only )
Replace pump ( technical personnel only )
Reconnect wiring (technical personnel)
Replace pump ( technical personnel only )
Clean intake basket
Connect mountings and hoses properly;
prevent structure-borne noise
Re-tighten pump mounting
Replace fuses (technical personnel)
Ensure proper wiring (technical person)
Re-tighten pump mounting
Position pump suction hose correctly;
clean if necessary
Align unit level
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