0
8.1.2
Unit faults
Warning
Error
Cause
Remedy
LED
Display
LED
Display
Maximum temperature
switch has triggered
Maximum temperature
switch has triggered
red and
green
flash
Warning
W20A: Temp.Fuse
red
lights
Error
E20A: Temp.Fuse
Maximum temperature switch has trig-
gered
Check temperature in the steam bath
cabin.
Maximum temperature switch defective or
not connected.
Check maximum temperature switch, re-
place if necessary or correctly connect
maximum temperature switch.
Max. filling level of
steam cylinder reached
Max. filling level of
steam cylinder reached but
no heating current
–––
Warning
W21A: Cyl.Max.Level
red
lights
Error
E21A: Cyl.Max.&NoCurr
Water conductivity too low (after initial
operation).
Wait until the mineral content of the cylinder
has increased
Water conductivity too low for type of
steam cylinder.
Select correct steam cylinder type.
Phase failure heating voltage.
Check service switch in the mains supply
line and switch on if applicable. Check mains
fuse(s) and replace if applicable.
Permissible filling time ex-
ceeded (20 minutes)
Permissible filling time ex-
ceeded (more than 4 hours)
–––
Warning
W22A: Max. Filltime
red
lights
Error
E22A: Max. Filltime
Water supply obstructed/shut-off valve
closed/water pressure too low.
Inspect water supply (filter, water piping,
etc.), check/open shut-off valve, check water
pressure.
Inlet valve blocked or defective.
Inspect strainer insert in the inlet valve, if
applicable clean strainer insert or replace
inlet valve.
Excessive back pressure in the steam line
(
steam line too long or kinked
), causing
water loss via filling cup.
Inspect steam installation.
Leakage in the water system.
Inspect water system and seal if necessary.
No electrode current for more
than 20 minutes
No electrode current for more
than 4 hours
–––
Warning
W23A: No Current
red
lights
Error
E23A: No Current
Phase failure heating voltage.
Inspect/turn on service switch of the mains
supply line. Inspect the fuses of the mains
supply, replace if necessary.
Water supply obstructed/shut-off valve
closed/water pressure too low.
Inspect water supply (filter, water piping,
etc.), check/open shut-off valve, check water
pressure.
Inlet valve blocked or defective.
Inspect strainer insert of the inlet valve, if
applicable clean strainer insert or replace
inlet valve.
Excessive back pressure in the steam line
(steam line too long or kinked), causing
water loss via filling cup.
Inspect steam installation.
Leakage in the water system.
Inspect water system and seal if necessary.
Electrode current in relation to
the steam demand too high
Electrode current in relation to
the steam demand too high
–––
Warning
W24A: Over Current
red
lights
Error
E24A: Over Current
Humidity demand has decreased too fast. Automatic adaptation of the operating
point.
Drain pump defective.
Inspect drain pump, replace if necessary.
Drain in steam cylinder blocked.
Clean/replace steam cylinder.
Water conductivity too high for this type of
steam cylinder.
Select correct steam cylinder type.
