Warning!
When working on the appliance, always first take the voltage from the appliance by pulling the
power plug.
In the table below the locking faults are marked with an * after the fault number.
The display shows a brief explanation of this fault code.
If there is reference to the "Standby" mode of the appliance, then both fans are shut down but there is still
something shown on the display of the appliance.
Fault
code
Sub
code
Cause
Appliance
action
User action
E190
E1000
Self-test not good
No action
E152 *
E1001 * Flash memory faulty
Stop appliance if
possible
Replace basic pcb UWA2-B
E153
E1002
EEPROM memory
defective
Appliance goes
to factory setting;
fan setting 2
Replace basic pcb UWA2-B
E105
E1011
Requested supply flow
rate is not achieved
None
Clean or replace filters
Check that ducts are not blocked
E104
E1012
Requested exhaust flow
rate is not achieved
None
Clean or replace filters
Check that ducts are not blocked
E000 *
E1013 * Temperature of outside
air too high
Appliance goes
to standby
Depending on the situation:
In the event of warm weather and a supply directly below the
tiles, wait until the air has cooled or install a roof sleeve
instead of duct under the tiles
In the event of cold weather or when there is no air from
below the tiles, take the voltage from the appliance and
replace air temperature sensor (NTC)
E105 *
E1100 * Supply fan defective;
general message
Appliance goes
to standby
Replace supply fan
Fault is reset automatically when voltage is put back on
appliance.
E104 *
E1120 * Exhaust fan defective;
general fault message
Appliance goes
to standby
Replace exhaust fan
Fault is reset automatically when voltage is put back on
appliance.
E103
E1200
Bypass defective; general
fault message
None
Check wiring
Replace bypass or wiring harness
E106 *
E1300 * Sensor NTC1 defective;
general fault
Appliance goes
to standby
Check wiring
Replace NTC sensor or replace wiring
E111
E1400
RHT sensor 1 defective;
general message
No humidity
control
Check wiring
Replace RHT sensor or replace wiring
E113
E1600
Internal preheater
defective; general fault
message
Frost protection
goes to
imbalance mode
Check fuses
Check wiring; replace if damaged and replace otherwise the
internal preheater
Fault is automatically reset when the voltage is put back on
the appliance.
E114
E1500
Multiple switch
defective; general fault
Appliance goes
to mode 1
Replace multiple switch
E130
E1800
Relay output 1 defective;
general fault
Signal output not
available
Take voltage from appliance
Replace UWA2-B pcb
Fault is automatically reset when voltage is again put back on
appliance.
Ubiflux Vigor W325 615743-G
Ubbink / 27