Xylem Lowara EPE2 16, Installation And Operating Instructions Manual

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ENGLISH
16
Control panel
1 - Manometer with temperature display
2 - Temperature control
3 - Switch for performance level II
4 - Safety temperature limiter (STb)
5 - Display ‘Air in the system’
6 - Switch for performance level I
7 - Fine wire fuse
8 - Display heating mode
9 - Voltage fault
Set temperature
♦
Switch the unit on.
♦
Turn the temperature control in a clockwise and
anti-clockwise direction to increase or lower the
temperature.
17
Malfunction Cause Remedy
No display
on the control
panel
Unit is disconnected ♦ Switch the unit on.
Fault current circuit breaker
switch has triggered.
♦
Reset the fault current circuit
breaker switch.
Fault current circuit breaker
switch has triggered yet again.
♦ Arrange for an electrician to check
the cause for a faulty fuse before
working with the unit.
Fuse in the control panel is faulty
♦ Arrange for an electrician to check
the fuse in the control panel.
♦ Arrange for an electrician to check
the cause for a faulty fuse before
working with the unit.
Error in the power supply
♦
Arrange for an electrician to check
the on-site power supply.
The displays on
the control panel
are shining, but
the boiler is
heating
Air in the system, the LED
control display ‘Venting boiler’
shines red.
♦
Close the intake and return ball
cocks.
♦
Vent the unit.
STb has triggered.
♦
Reset the safety temperature
limiter.
STb has triggered yet again.
♦
Arrange for an electrician to iden-
tify the cause.
The thermostat is faulty.
♦
Arrange for an electrician to check
the thermostat and replace if neces-
sary.
The heating rod is faulty.
♦
Arrange for an electrician to check
the thermostat and replace if neces-
sary.
The temperature
in the on-site
heating system is
too low.
The circulation pump does not
work.
♦
Start the pump mechanically.
♦
Arrange for an electrician to check
the pump and replace if necessary.
The air in the system prevents
circulation.
♦
Close the intake and return ball
cocks.
♦
Vent the unit.
The boiler heat-
ing output is too
weak.
A phase is missing in the mains
power supply.
Error in the power supply.
♦
Check the control lamp ‘U<’.
♦
Arrange for an electrician to check
the on-site power supply.
Thermostat is faulty.
♦
Arrange for an electrician to check
the thermostat and replace if neces-
sary.
The heating rod is faulty.
♦ Arrange for an electrician to check
the heating rod and replace if neces-
sary.
Troubleshooting