MCS DHP 20, Инструкция по эксплуатации, Страница: 11 / 144

10 Troubleshooting
WARNING! Risk of poisoning by refriger-
ant, injury from burns, crushing or elec-
tric shock during troubleshooting
Ü
All work in connection with troubleshoot-
ing and repairs must be carried out by
authorised personnel or the manufac-
turer.
Ü In the event of a malfunction, switch off
the device and secure it against inadvert-
ent switching on.
Ü Before starting work, allow hot compon-
ents to cool down.
Faults and malfunctions during
operation
In the event of a fault or malfunction, refer to
the table below. If necessary, contact the
HEYLO Customer Service.
Fault/malfunction Possible cause Remedy
No function available in
continuous or pump mode
(all indicators off) No or incorrect power
supply Check the power cord and
mains connection
Device switch is in position
ON (continuous mode), but
device fails to start (all in-
dicators off) Overpressure protection
tripped due to high ambi-
ent temperature Wait until the device
switches on automatically
(approx. 5‑15 min)
Fan running but there is no
condensate Humidity or temperature
in room too low Check the indoor climate
values using a thermo-hy-
grometer
Filter clogged Check filter and clean, if
necessary
Refrigeration system de-
fective (in this case,
evaporator does not be-
come cold) Contact the manufacturer
Device is noisy and vi-
brates, condensate es-
capes Device is not in level and
upright position Check the operating condi-
tions, particularly the in-
stallation site
Device heats up, makes a
lot of noise and dehumidi-
fies poorly Insufficient air circulation;
function only available
when housing is closed Ensure that the air can cir-
culate freely; clean evapor-
ator and filter
Water escaping from
device Leak in condensate sys-
tem Run condensate pump test
with water and locate leak
Red indicator lit Pump runs dry Check condensate pump
and drain hose for dirt/
blockage
Table 1: Troubleshooting table
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