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28
07
Trouble Shooting
Fault
Code
Cause
Action Appliance
Action Installer
E100
(non-
locking
fault)
Pressure sensor
supply fan defective.
Red pressure hoses
blocked or “kinked”
• Switches to constant rpm control.
• The preheater switches on at
outdoor temperatures below 0°C.
• Disconnect unit from power
• Check the red pressure hoses
(and pressure tubes) for
fouling, kinking and damage
E101
(non-
locking
fault)
Pressure sensor
extract fan defective.
Blue pressure hoses
blocked or “kinked”
• Switches to constant rpm control.
• The preheater switches on at
outdoor temperatures below 0°C
• Disconnect unit from power
• Check blue pressure hoses
(and pressure tubes) for
fouling, kinking and damage
E103
(non-
locking
fault)
Bypass fault
• None.
• (Current too low
→
stepper motor
not correctly connected or effective;
current too high
→
short-circuit
in wiring or stepper motor)
• Disconnect unit from power
• Check connection stepper motor;
replace wiring or stepper motor
E104
(locking
fault)
Extract fan defective
• Both fans are switched off.
• Preheater is switched off.
• If applicable: Postheater
is switched off.
• Restart every 5 minutes.
• Disconnect unit from power
• Replace extract fan.
• But voltage back on appliance;
Fault will automatically be reset.
• Check cabling.
E105
(locking
fault)
Supply fan defective
• Both fans are switched off.
• Preheater is switched off.
• If applicable: Postheater
is switched off.
• Restart every 5 minutes.
• Disconnect unit from power
• Replace
• Reconnect unit to power;
Fault will automatically be reset.
• Check cabling.
E106
(locking
fault)
The temperature sensor
that measures the
outdoor temperature
is defective
• Both fans are switched off.
• Preheater is switched off.
• Bypass closes and is blocked.
• Disconnect unit from power
• Replace temperature sensor
• Put voltage back on appliance;
fault will automatically be reset.
E107
(non-
locking
fault)
The temperature
sensor that measures
the temperature of the
extract air is defective
• Bypass closes and is blocked.
• Disconnect unit from power
• Replace indoor temperature sensor
E108
(non-
locking
fault)
If present: The
temperature sensor that
measures the external
temperature is defective
• Postheater is switched off.
• If applicable: Geo heat
exchanger is switched off.
• Replace external
temperature sensor
E111
(non-
locking
fault)
If present: The RH-
sensor that measures
the humidity is defective
• Appliance continues to operate
• Disconnect unit from power
• Replace RH-sensor.
E999
(locking
fault)
Dip switches on control
board not set correctly.
• Appliance does nothing; red
fault LED on multiple switch
is not activated either.
• Put dip switches in correct
position (see page 32).
Note:
If mode 2 of a multiple switch do 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.
Содержание energiSava 300
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