Windhager AquaWIN Air 203, Инструкция по установке и использованию, Страница: 158 / 164

156
Fault observed Possible cause Diagnostics and troubleshooting
No more heat
No hot water No power supply to the water
heater: fuse, wiring ... Check the presence of voltage on
the power cables
Check the installation settings (see
the operating ranges)
Not enough hot water
At max. setpoint (62° C) Hot water heater not large enough
Operating in ECO
Check the duration of the
programming ranges
Select the AUTO mode
Not much flow from the hot water
tap. Safety unit‘s filter clogged
Water heater scaled up
Clean the filter (see maintenance
section).
Descale the water heater.
Continuous flow of water to the
safety unit when heater is not
heating Safety valve damaged or dirty
Mains water pressure too high
Replace the safety unit
Check that the outlet pressure of
the water meter does not exceed
0.5 MPa (5 bar), otherwise install a
pressure reducer set at 0.3 MPa (3
bar) from the general water supply
The electrical backup is not
working. Mechanical thermostat in safety
mode
Electric thermostat is faulty
Resistor is faulty
Reset the thermostat safety at the
resistor
Replace the thermostat
Replace the resistor
Condensate overflow. Clogged condensate flow Clean
Bad smell. No siphon on the safety unit or the
condensate drain
No water in safety unit's siphon
Install a siphon
Fill the siphon
Control panel fault or display
problem No power
Display fault
Check the power supply.
Check the connection (A3
reference)
Replace the display.
Overview Installation Use Maintenance Warranty
After servicing or troubleshooting, check that the water heater is operating properly