MANUAL FAULTS
Version: 6.1 (05-12-2011) 59
The unit is not
functioning, the
display is black and
does not react to
touch.
The unit is dead. 1. Check the power connections and wiring.
The connection between
the control panel and the
printed circuit board is not
correct.
1. Check the control cable.
2. Check wiring between connector plate and
printed circuit board (connectors X380 and
X390).
The printed circuit board
does not work: the LEDs on
the printed circuit board
are not lit.
1. Check fuse F2.
2. Check the power supply cable (connector
X110).
3. Replace the printed circuit board.
The control panel is
defective.
1. Check the control panel by connecting it to
another unit with another cable.
Replace the control panel if it does not work.
One fan does not
work.
The fan is dead or defective. 1. Check the wiring of the fan.
2. Check the transformer fuse.
3. Replace the fan.
The fans do not
operate at a certain
strength.
The connection to the
relevant tap is not correct.
1. Check the transformer connections.
2. Check connector X130.
For units connected to a Daikin system CA
2
V and CA
2
Q:
The display of the
Daikin control panel
is blank.
No power supply to the
connected unit.
1. Check the power supply.
2. Consult the installation manual of the control
panel.
3. Contact the supplier.
Poor connection to the
control panel.
The Daikin electronics in
the air curtain are defective.
The Daikin control
panel signals a fault
(flashing LED and/or
error code).
Daikin electronics in the
unit or outdoor unit
detects a fault.
1. Consult the service manual of the outdoor unit.
2. Contact the supplier.
The unit constantly
discharges cool air
and/or condensation
drips from the unit.
There is a fault in the air
curtain.
Warning: This situation
can result in danger and/
or damage.
1. Switch off the whole system immediately.
2. Contact the supplier.
PROBLEM LIKELY CAUSE WHAT TO DO
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