Dantherm CDT 90 MKII Manual Del Usuario página 11

User guide,
cont.
Replacing the If the hour counters cannot be read when disconnected from mains, it is probably due
memory battery to flat memory battery. Replacement procedure:
Warning: Always disconnect from the mains before changing battery
1
2
Error messages An overview of possible errors which prevent normal operation
Error message
Red light on right
warning LED HIGH
TEMP on display
Red light on right
warning LED AMBI-
ENT TEMP on
display
Red light on right
warning LED SEN-
SOR FAIL on
display. One of the
internal sensors is
defective. Use the
+/- keys to toggle
between 3 possible
errors
Red light on right
warning LED LP
STOP on display
9
Action
Slacken the screws on
both side of the control
panel, and carefully lift
the panel up using the
top edge
Cut the cable tie holding the battery. Replace the battery, using a new cable tie
max. 2.5 mm wide.
Use Alkaline AAA batteries only
Illustration of PCB with battery included in the wiring diagram on page 18.
Illustra-
tion
Pressure or tempera-
ture in high pressure
element too high
Room temperature out
of normal range
1: EVAP FAIL
Evaporator
thermometer defective
2: COND FAIL
Condenser
thermometer defective
3: ROOM FAIL The
internal room
thermometer is
defective
Leak in cooling circuit
Cause
Check filter and dehumidifier
for dirt in airways
Place the dehumidifier in the
specified temperature range,
between 3°-32°C
SENSOR FAIL
Requires an authorised service
technician
Requires an authorised service
technician
Requires an authorised service
technician
Requires an authorised service
technician
Remedy