43
ERROR DETECTION
Type of fault
Check...
Remedy
Nothing shows on the display. ...That the unit has power.
Check the fuse, residual current device and connecting.
...That the display cable is not damage and
Change the damage cable. Connect the cable correctly
correctly connected between unit and display.
between unit and display.
Can’t enter the menus,
...If keylock is activated.
Disable, push the left buttom down for 3 seconds.
the keys are locked.
”Please wait” is displayed.
...That the display cable is not damage and
Change the damage cable. Connect the cable correct
correctly connected between unit and display.
between unit and display.
The unit does not start.
...That the unit has power.
Check the fuse, residual current device and connection.
...That the set point is ”On”.
See page 34.
...That the unit is connected correctly.
See page 54.
When the power is turned on the unit starts
automatically with a few minutes delay.
...Other alarms.
See below.
The unit has stopped.
...That the unit has power.
Check the fuse and safety switch.
...If alarm is triggered.
Check why the alarm is triggered (see below).
When caused error is resolved, restore alarm.
Can’t activate
...That pressure sensor is installed.
Activate sensor. See page 38.
the filter measurement.
Other alarms:
Filter.
...If filters are dirty.
Change filter.
...If the set time for filter measurement is reached. Change filter. Reset timer for the service period.
Sensor open.
...Which sensor is triggered, see page 36.
Check connection to relay card. If error remains,
change broken sensor.
...The menus for heater and regulation mode.
Make the right setting for heater and regulation mode.
See page 37.
Sensor shorted.
...Which sensor is triggered, see page 36.
Check connection to relay card. If error remains,
change broken sensor.
Overheating.
...If the heat protection of the duct heater is
Restore the manual overheating protection and
triggered. NB! The unit must be disconnected.
reset the alarm.
Low supply air temperature.
...If filters are dirty.
Change filter.
...If the heater works.
Ensure function before startup.
Fire alarm.
...Why the fire alarm is triggered.
Ensure function before startup.
...That the correct type of sensor is chosen.
Choose correct sensor.
Motor failure.
...That the motor is correctly connected..
Ensure function and change defect fan before startup.
...That the impeller is not blocked.
Ensure function before startup.
Supply air is missing.
...The air intake.
Clean intake grille if dirty.
...The filter.
Change filter.
Electric heater is not warm.
...If the heater is correct connected.
See page 54.
...That heater is enabled "On" in the
See page 37.
Service menu.
If none of the above information helps to start/clear up the error then contact your installer/retailer.
BACK
Remote control* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4020651
Antenna* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4020552
Extension cord for antenna 10 m . . . . . . . . . . . . . . . . . . 6010011
Control unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4020652
Extension cord for control unit 10 m. . . . . . . . . . . . . . . 4020653
Control board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4020650
Duct sensor (GT8 and GT7) . . . . . . . . . . . . . . . . . . . . . 4020286
Room sensor (GT8) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4020310
CO2 Room sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4020302
RH Room sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4020301
Pressure sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9500111
Damper motor with pull back spring . . . . . . . . . . . . . . . 1220488
Filter ePM 2.5, SAU 125 EC . . . . . . . . . . . . . . . . . . . . . 1250237
Filter ePM 1.0, SAU 125 EC . . . . . . . . . . . . . . . . . . . . . 1250239
Filter ePM 2.5, SAU 200 EC . . . . . . . . . . . . . . . . . . . . . 1250238
Filter ePM 1.0, SAU 200 EC . . . . . . . . . . . . . . . . . . . . . 1250240
Filter ePM 2.5, SAU 250 EC . . . . . . . . . . . . . . . . . . . . . 1250241
Filter ePM 1.0, SAU 250 EC . . . . . . . . . . . . . . . . . . . . . 1250242
Heater element 2 kW, SAU 125 EC . . . . . . . . . . . . . . . 1220259
Heater element 5 kW, SAU 200 EC . . . . . . . . . . . . . . . 1221110
Fanmotor, SAU 125 EC . . . . . . . . . . . . . . . . . . . . . . . . . 3081015
Fanmotor, SAU 200 EC . . . . . . . . . . . . . . . . . . . . . . . . . 3081002
Fanmotor, SAU 250 EC . . . . . . . . . . . . . . . . . . . . . . . . . 3081021
ACCESSORIES
SPARE PARTS
Function is only guaranteed with accessories from H. Östberg range. Contact your installer/dealer for order.
* To make use of, both accessories needed.
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