Ubiflux W180 / W180+
23
Fault
Chapter 8
Fault
code
Cause
Action appliance
Action installer
E104
Extract fan fault.
- Both fans are switched off.
- If applicable: Preheater is switched off.
- If applicable: Postheater is switched off.
- Restart every 5 minutes.
• Take the voltage from the ap-
pliance.
• Replace exhaust fan.
• Put voltage back on appliance;
fault is automatically reset.
• Check cabling.
E105
Supply fan defective.
- Both fans are switched off.
- If applicable: Preheater is switched off.
- If applicable: Postheater is switched off.
- Restart every 5 minutes.
• Take the voltage from the ap-
pliance.
• Replace supply fan.
• Put voltage back on appliance;
fault is automatically reset.
• Check cabling.
E106
The temperature sensor that
measures the outdoor tempe-
rature is defective.
- Both fans are switched off.
- If applicable: Preheater is switched off.
- Bypass function is switched off.
• Take the voltage from the ap-
pliance.
• Replace temperature sensor.
• Put voltage back on appliance;
fault is automatically reset.
E107
The temperature sensor that
measures the temperature of
the exhaust air is defective
.
- Bypass function is switched off.
• Take the voltage from the ap-
pliance.
• Replace indoor temperature
sensor.
E108
If mounted: The temperature
sensor that measures the ex-
ternal temperature is defective.
- If applicable: Postheater is switched off.
- If applicable: Geo-heat exchanger is swit-
ched off.
• Replace external temperature-
sensor.
E111
If mounted: RH sensor defective - Appliance keeps running
• Take the voltage from the ap-
pliance.
• Replace RH sensor
E999
Dip switches on control board
not set correctly.
- Appliance does nothing; red fault LED on
multiple switch is not activated either.
• Set dip switches to correct posi-
tion (see § 8.1).
Note!
If mode 2 of a multiple switch does not work, the modular connector of the multiple switch has been connected the wrong way round.
Cut off one of the RJ connectors to the multiple switch and mount a new connector the other way round.
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