RESTART Pa INIT
VIA THE SETUP.
PRESS ON
RESET.
Pa INIT ALARM
AIRFLOW TOO HIGH
MINIMUM MOTOR
LIMIT ACHIEVED
SET HIGHER
AIRFLOW THEN
RESTART Pa INIT
VIA THE SETUP.
PRESS FIRST ON
RESET.
This alarm sihnals that the nominal airflow requested cannot be reached
because the lower boundary of the fan’s working range is reached. (1)
Text is displayed on several successive screens
Pa INIT ALARM
Pa NOT STABLE.
CHANGE WORKING
POINT. THEN
PRESS ON
RESET.
Pressure too unstable. Change the air system or airflow request. (1)
Text is displayed on several successive screens
(1) Alarm LED is ON, relay R1 is in alarm status, LED of relay is ON.
Pa
ref
cannot be defined and motor sets itself in “softstop”. To restart, press RESET until the alarm LED shuts off. The CB
will operate normally but without a configured alarm pressure. If you wish a pressure alarm anyway, determine the cause
(system pressure or configuration, airflow, working zone of fan,…) and start again.
2. Fan running alarm
FAN ALARM
CHECK POWER
SUPPLY AND
CABLES CONNECT.
THEN PRESS
ON RESET.
IF NOT SOLVED
REPLACE CABLE
OU CB OU MOTOR
Describes a fan function default. Check wiring, connections and 230V supply.
(text is displayed on several successive screens).
Alarm LED is lit, relay R1 is closed and relay LED is also lit.
Check wiring, connections and 230V supply. Otherwise the problem can be
caused by defecti wire, control circuit or motor
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