Dantherm CDT 30 MK III, Service Manual

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Troubleshooting
Troubleshooting Use the table below to localise and correct problems or errors:
Problem Possible cause Solution
•
Dehumidifier will not
start
• Display not switched on
Plug not in mains socket Check dehumidifier is con-
nected to the mains. Check
the mains socket if neces-
sary by connecting another
electrical appliance
•
Dehumidifier will not
start
•
Green light not on
•
HYG STOP shown on
display
The hygrostat has meas-
ured air humidity lower
than the set point, and
switched off to save power Reduce hygrostat set point,
or switch to manual opera-
tion. See the section Inter-
nal hygrostat operation on
page 12
•
Yellow light on
Display shows Full
Container full or pump (ac-
cessory) blocked Empty water container or
clear pump blockage
•
Red light on
Error stopping the machine See user guide table on
page 15 on error messages
•
Dehumidifier running
• Green light on
• SERVICE flashing on
display
Service interval set has ex-
pired Service the product as
specified in the section on
service counter expiry
• Dehumidifier running
•
When RH% activates,
the display shows SEN-
SOR FAIL
RH% sensor defective Replace RH% sensor
• kWh and hours without
power not displayed
Memory battery flat. Replace battery. See page
14.
Note:
• If the machine is not working properly, switch off immediately!
•
Before starting troubleshooting, wait for one minute, as the electronics could have
cut off the machine for safety reasons
Additional help If the dehumidifier will not restart, contact your Dantherm dealer. This also applies if the
machine runs without condensing any water. There may be a fault on the cooling circuit
which will require a service technician.