Biddle CITY Series - Page 44

FAULTS COMFORT AIR CURTAIN
44
See also:
2.8.5 Functions of the inputs 25
2.6.4 Settings on the Daikin control panel 19
2.8 Installing control panel and external controls (CITY and CYV) 22
2.9 Control system without touch pad controller (CITY and CYV) 27
7.3 Electronics module 47
7.4 Daikin electronics module (CYQ and CYV) 47
7.5 Fuses 48
7.8 Resetting the maximum thermostat (CITY E) 49
The fans do not operate at a certain
strength.
The connection to the relevant tap
is not correct.
1. Check the transformer connec-
tions.
2. Check the wiring between printed
circuit board and transformer.
The electric heating is not function-
ing.
The unit has been overheated. Check the high limit thermostat.
The unit functions differently from
expectations.
1. Control components may not be
connected correctly.
Check the installation.
2. The settings of jumpers 1, 2 and
3 (red) differ from the standard.
Check the positions of the jumpers.
For units connected to a Daikin system CYQ and CYV:
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 air curtain does not function
although the Daikin control panel
indicates that it is functioning nor
-
mally.
Fault in Biddle electronics, trans-
former, fuse or fans in the unit.
1. Check the fuses.
2. Check the wiring connections to
the transformer.
3. Check the wiring between com-
ponents in the unit.
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 PROBABLE CAUSE WHAT TO DO