Fault Finding And Correction - HEYLO DE 20 SH Bedienungsanleitung

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(8) Fault finding and correction

FAULT
Unit does not start up
Yellow high-temperature
light is not lit
Red fault light is lit
Ventilator is operational;
unit does not heat with
full power / ventilator
runs slower
Unit is heating;
ventilator is not
operational
If the device is supplied with power by power cable, the work on the electric system may
be carried out by specialist electricians or electrically trained staff in keeping with VBG 4
only.
Please have repair work on the electric heaters carried out only by HEYLO or its service partners.
Decommissioning and disposal of the unit
The unit has been designed for many years of operation.
If it has to be disposed of, the competent legal regulations have to be observed in environmentally-
gentle manner.
CAUSE
The main switch has been switched off.
Fuses of the building's wiring system
are blown.
Plug has been pulled out of the main
switch board or of the extension cable.
Supply line faulty.
Disconnection from the mains.
The room thermometer connection is
not bridged.
Control fuse is defective.
FI switch of the building's wiring system
has triggered.
Air volume is too high.
Heat output is too low.
STB has been triggered.
One or two phases without power.
Air contactor is defective.
Heating coil is defective.
Thermostat has acted as the outlet
temperature was above 150 deg. C.
Ventilator defective; contactor defective;
speed controller.
17
REMOVAL
Check up to which point there is
power. Remove defect.
Fit the cap for room thermostat
connection or connect room
thermostat.
Replace fuse (6.3 A time-lag)
Clean the heating coil (with
compressed air potentially),
otherwise send in for repair.
Reduce air volume by using the
controller.
Check heating register.
Defective hose guide triggers the
hose protection thermostat.
The unit has been overheated.
Remove the source of fault and
release the STB.
Check supply lines; remove defects
or replace one or two fuses on the
parts of the building site.
Send the device for repair.
Send the device for repair.
Airflow is impaired due to bad hose
installation.
The ambient temperature is too
high.
Send the device for repair.
EN