Error Messages And Max. Operating Periods - Helios KWL HygroBox Montage- Und Betriebsvorschrift

Operating and installation instructions

14. Error messages and max. operating periods

Error message
Humidity too low
Humidity too high
Drain pump/float switch
UVC tube/electronic system
DL bus/CAN bus
Heater battery
Max. operating times
UVC tube
Water filter
Osmosis filter
KWL Hygrobox KWL HBX EH/WW
®
Description
Air humidity at the outlet of the KWL HBX
with active humidity control over a period
of 6 hours is at least 20 % below the target
value set.
Air humidity at the outlet of the KWL HBX
with active humidity control over a period
of 4 hours is at least 20 % above the target
value set.
Float switch triggered permanently for
more than one hour.
Fault message contact of the UVC ballast
open for 10 s.
No bus communication between the con-
troller and the sensor board.
Air temperature at the outlet of the KWL
HBX is not reached whilst humidity control
is active. Temperature is below the target
value by at least 3 Kelvin for 15 minutes.
Description
UVC tube has reached its maximally rec-
ommended operating time.
Advance warning and warning by operat-
ing hours.
Water filter has reached its maximally rec-
ommended operating time.
Advance warning and warning by operat-
ing hours.
Osmosis filter has reached its maximally
recommended operating time.
Advance warning and warning by operat-
ing hours.
37
Possible causes
Water filter clogged.
Osmosis filter clogged.
Water supply interrupted.
Water valve defective
(closed permanently)
Switching output A2 (water valve) defective.
Rotor does not rotate.
Sensor board defective.
Air flow volume too high.
Water valve defective (permanently open).
Switching output A2 (water valve) defec-
tive Sensor board defective.
Float switch defective / jammed.
Float switch not connected.
Drain pump defective.
Switching output A1 (drain pump) defec-
tive.
Sensor board defective.
UVC tube defective.
UVC tube not connected correctly.
UVC ballast defective.
Switching output A3 (UVC ballast) defec-
tive.
DL bus cable defective / damaged.
DL bus cable not connected
correctly.
Sensor board defective.
Sensor board defective.
With an electric heater battery:
Heater battery defective / no function.
SSR (solid state relay) defective.
Analog output A9 (0-10 V) defective
Switching output A6 (heater battery) de-
fective.
With a hot water heater battery:
Heater battery defective / no function.
Switching output A4 (pump) defective
Analog output A8 (0-10 V) for mixer de-
fective
Hot water pump defective
Mixing valve defective
Heating water temperature too low
Possible causes
Maximally recommended operating time
reached soon or reached already.
Maximally recommended operating time
reached soon or reached already.
Maximally recommended operating time
reached soon or reached already.
EN
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