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Page 58
123
Steam_down_time
(
only
HKDB)
The heaters are supplied
with current, but water level
doesnot change.
•
Heater element is de-
fective
•
Measure heater ele-
ment resistance; re-
place heater element,
if required. Nominal re-
sistance values are:
FLH03
- 2.25 kW /
230 V - 21.3 - 26.1
Ω
FLH06
– 4.5 kW / 400
V – 32.3 - 39.5
Ω
FLH09
– 6.75 kW /
400 V - 21.5 - 26.3
Ω
FLH15
– 3.8 kW / 400
V – 38.2 - 46.8
Ω
(3x)
FLH25
– 6.3 kW / 400
V – 23.1 - 28.2
Ω
(3x)
FLH30 –
3.8k W / 400
V
- 38.2-46.8
Ω
(6x)
FLH40
– 6.3 kW / 400
V – 23.1 - 28.2
Ω
(3x)
+ 3.8 kW / 400 V –
38.2 - 46.8
Ω
(3x)
FLH50
– 6.3 kW / 400
V – 23.1 - 28.2
Ω
(6x
•
Phase failure (exter-
nal circuit breaker has
tripped or is defective)
•
Replace external cir-
cuit breaker, eliminate
cause for tripping
•
Heater elements not
supplied with voltage
•
Check wiring and
voltage supply
•
Main contactor
swiching not o.k.
•
Check main contac-
tor; replace, if required
•
Main contactor not
driven by mainboard
relay
•
Measure voltage on
mainboard terminal 9
against N; replace
mainboard, if required
124
Relay_main_contactor
(only HKDB)
The main contactor is not
driven by the electronics on
the mainboard, but a vol-
tage is measured
•
Mainboard relay
contacts stick
•
Replace mainboard
210
211
Humidity_sensor
Humidity_sensor 2
The respective humidity
sensor reading is implausi-
ble.
•
Sensor cable defec-
tive
•
Check sensor cable
•
Sensor defective
•
Replace sensor
These icons
flash
Fa
ult
Code
Fault message
Possible cause
Countermeasure
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