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storing/ Fault/ störung
dérangement/ Guasti/ błędy w pracy urządzenia
Fault
Cause
code
Pressure sensor supply fan de-
fective.
E100
Red pressure hoses blocked or
"kinked"
Pressure sensor extract fan de-
fective.
E101
Blue pressure hoses blocked or
"kinked"
E103
Bypass fault .
E104
Extract fan defective.
E105
Supply fan defective.
The temperature sensor that
E106
measures the outdoor tempera-
ture is defective. .
The temperature sensor that
E107
measures the temperature of the
extract air is defective..
If present: The temperature sen-
E108
sor that measures the external
temperature is defective.
Dip switches on control board
not set correctly.
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.
57
Action appliance
- Switches to constant rpm control.
- The preheater switches on at outdoor
temperatures below 0°C.
- Switches to constant rpm control.
- The preheater switches on at outdoor
temperatures below 0°C
- None.
(Current too low → stepper motor not
correctly connected or effective;
current too high → short-circuit in wiring
or stepper motor)
- Both fans are switched off.
- Preheater is switched off.
- If applicable: Postheater is switched off.
- Restart every 5 minutes.
- Both fans are switched off.
- Preheater is switched off.
- If applicable: Postheater is switched off.
- Restart every 5 minutes.
- Both fans are switched off.
- Preheater is switched off.
- Bypass closes and is blocked.
- Bypass closes and is blocked.
- Postheater is switched off.
- If applicable: Geo heat exchanger is swit-
ched off.
- Appliance does nothing; red fault LED on
multiple switch is not activated either.
EVOTHERM 300F
Action installer
• Take the voltage from the appliance.
• Check the red pressure hoses (and
pressure tubes) for fouling, kinking and
damage
• Take the voltage from the appliance.
• Check blue pressure hoses (and pres-
sure tubes) for fouling, kinking and
damage
• Take the voltage from the appliance.
• Check connection stepper motor; re-
place wiring or stepper motor
• Take the voltage from the appliance.
• Replace extract fan.
• But voltage back on appliance; Fault
will automatically be reset.
• Check cabling.
• Take the voltage from the appliance.
• Replace
• Put voltage back on appliance; Fault
will automatically be reset.
• Check cabling.
• Take the voltage from the appliance.
• Replace temperature sensor
• Put voltage back on appliance; fault will
automatically be reset.
• Take the voltage from the appliance.
• Replace indoor temperature
sensor
• Replace external temperature
sensor
• Put dip switches incorrect position.
(see § 9.1).
7
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