Remedying Faults Without Message - Biddle CA2 Manual

F
AULTS
C L
ODE IKELY CAUSE
F4 The temperature sensor in the
control panel is defective.
The room temperature control is
now based only on the sensor at the
unit's air inlet.
F5 The temperature sensor in the
discharge section does not work.
F6 The temperature sensor in the inlet
section does not work.
F8 Air flow sensor is defective.
5.5

Remedying faults without message

P
ROBLEM
The control panel
works normally but
the unit does not
respond.
58
If you suspect a fault but no fault message is displayed:
1. Using section 5.2, check if you can easily resolve the
2. Try to resolve the problem using the below table. Technical
L
IKELY CAUSE
The unit is controlled by a
signal from an external
control.
The fans may be switched
off if there is only a small
difference in temperature
between indoors and
outdoors.
The fans are dead.
W
HAT TO DO
Replace the control panel if you wish to have the room
temperature controlled with the sensor in the control
51. Indoor sensor
panel (if function
1. Check the sensor's wiring and connection (connector
X350).
2. Replace the sensor.
1. Check the sensor's wiring and connection (connector
X360).
2. Replace the sensor.
1. Delete the fault message (see section 5.3.2).
2. Check the wiring of the air flow sensor and the
connection of the sensor (connector X370).
3. Replace the sensor.
problem.
expertise is required for this.
W
HAT TO DO
1. Check the functions
Release delay
in the menu
This is not a fault. If this is considered a problem,
the value of function
set to zero.
1. Check the transformer fuse.
2. Check the wiring between the transformer and
the fans (connectors X120 and X130).
3. Replace the transformer.
C A C
OMFORT IR URTAIN
Control panel
is set to
60. Function of input
and
Configuration
.
80. Fan off temperature
can be
).
76.