2021/01 Rev. 0.4
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Display Possible cause Solution
E35
TEMPERATURE
STEAM BOILER
TO LOW
Temperature sensor measures a
boiler temperature below 0 °C.
Steam boiler and/or NTC sensor is
below 0°C. Let the machine warm up
to room temperature.
E36
NTC SHORT
CIRCUIT
STEAM BOILER
Temperature sensor measures a
temperature over 145°C or the NTC
sensor is short circuit.
The control has disabled the heater
output.
AISI 316L / 1.4404
O-ring 10,82 x 1,78mm
M12 x 1
HEX17
ww-yy
T (°C) R (Ohm) T (°C) R (Ohm)
0 334.000 70 16.874
10 201.660 75 14.198
20 125.470 80 11.998
25 100.000 85 10.181
30 80.223 90 8.674
40 52.589 95 7.419
45 42.951 100 6.369
50 35.272 120 3.581
55 29.119 140 2.117
60 24.161 160 1.307
65 20.144
NTC resistance table
Check the temperature sensor operation
in the Service menu 2.07 Hardware test
/ inputs / Temperature steam boiler.
Boiler overheated, let the boiler cool
down.
Check whether the boil-dry protection
was activated. Reset if necessary.
Attention; the metal reset levers are LIVE!
145°C +/- 7,5K
10A / 230Vac
Reset
E37
NO NTC
STEAM BOILER
DETECTED
Temperature sensor is not detected.
Check the NTC sensor and wiring /
connection from the steam boiler.
AISI 316L / 1.4404
O-ring 10,82 x 1,78mm
M12 x 1
HEX17
ww-yy
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