Fläkt Woods
8061 GB 2009.05
17
Specifications are subject to alteration without further notice.
RoomMaster ABR-2
COMMISSIONING
Alarm and fault-finding
The alarm message is displayed in the window in clear text at the same time as a red LED flashes on the control panel.
Alarm message
Operation
Cause
Remedy
Unit stops
Power supply to motor interrupted.
Contact a service engineer. Check
the motor connections, any integral
overheating protection and the
motor.
Unit stops
Power supply to motor interrupted.
Contact a service engineer. Check
themotor connections, any integral
overheating protection and the
rotor.
Unit stops
Sensor signal to control card
Contact a service engineer to check
interrupted or unacceptable.
the sensors.
Unit in operation
Sensor signal to control card
Contact a service engineer to check
Room regulation
interrupted or unacceptable.
the sensors.
switched automatically
to supply air regulation
Unit stops
Supply air temperature has fallen
Check the exhaust air temperature
below the set desired value by 10
(see window 21).
degrees for more than 15 minutes.
Check the setting of the lowest
This may occur if there is a fault in:
supply air temperature
heat exchanger, electric coil.
15c).
(see windows 15b or
It may also be due to low room
Check the heat exchanger and electric
temperature and setting of operating
coil (see Alarm, heat exchanger and
data, such as: stopping the unit
electric coil).
without a damper, lowest supply air
Check that an electric coil is installed
temp. too high, electric heater not
(see window 75).
connected.
Check setting of operating mode (see
If a presence sensor is fitted, the
windows 30 and 40).
unit will stop if the "no effect"
Check whether a damper is fitted in
activity is selected for period 1
the outdoor air duct, and setting of
(see window 41a)
activity.
Unit in operation
No output or low efficiency from
Check that the heat exchanger drive
heat exchanger.
belt is sound and fully tensioned.
Unit in operation
Power supply interrupted.
Check the electric coil connections
Overheating protection tripped.
and overheating protection.
Reset the overheating protection
on the electric coil.
Unit in operation
Block filters.
Replace the filter and re-calibrate.
An alarm with clean filters indicates
that calibration was NOT carried out
during installation.
Acknowledgement of alarm text is done by pressing
once; the alarm text disappears, and the LED continues to flash.
Press
once more to activate selftest.
AUTO
AUTO
ALARM
Fan, supply air
ALARM
Fan, exhaust air
ALARM
Temp.sensor supp air
ALARM
Temp.sensor exh. air
ALARM
Low supply air temp.
ALARM
HE- rotor not work.
ALARM
Elec.Coil not working
ALARM
Replace air filter
Procedure - setting
