Electrolux EN18WI30LS Service Manual page 16

Freeze prevention control
Anti-frost heater operation flow
21
NO
Air inlet thermistor
normal
YES
30
NO
33 Heat exchanger thermistor
normal
YES
35
DV or SV conversion
model
Heaters turn ON
YES
NO
Exhaust thermistor
normal
YES
Exhaust thermistor
Less than 37
YES
Heaters turn ON
Exhaust thermistor
F or higher
YES
Has 50 min passed
YES
Heaters turn OFF
Fan motor operation flow
NO
Exhaust thermistor
18
YES
No error code 61
YES
Fan Turn ON
< 1,200 rpm >
3 minutes
YES
Fan Turn OFF
NO
Exhaust thermistor
46
YES
NO
Heat exchanger thermistor
68
YES
NO
NO
NO
NO
NO
Exhaust thermistor
Less than 37
YES
NO
NO
NO
Fan speed
1,200 500rpm
YES
NO
61
Exhaust thermistor
32
YES
Fan Turn OFF
NO
X < 41 F
or
Y < 37 F
YES
NO
Y < 28 F
YES
A
Heaters turn ON
X 41 F
NO
and
Y 14 F
YES
NO
Has 50 min passed
YES
Heaters turn OFF
X 41 F NO
A
and
Y 14 F
YES
NO NO
Has 5 min passed
YES
Fan motor operation flow ( SV conversion )
NO
Exhaust thermistor
32
YES
NO
No error code 61
YES
NO
Fan motor stopped
YES
21
NO
Air inlet thermistor
Higher than 32
YES
Fan Turn ON Fan Turn ON
< 2,000 rpm > < 1,200 rpm >
NO
Exhaust thermistor
higher than 14
YES
NO
Fan speed
Target 500rpm
YES
* 4
NO
Exhaust thermistor
X or higher
YES
Fan Turn OFF
* 4 When fan speed is 1,200rpm, X = 46 F.
* 2 When fan speed is 2,000rpm, X = 59 F.
16
X = Heat exchanger thermistor
Y = Air inlet thermistor
Heaters turn ON
X 41 F
NO
and
Y 14 F
YES
NO
Has 20 min passed
YES
Heaters turn OFF
X 41 F
NO
A
and
Y 14 F
YES
NO
Has 15 min passed
YES
NO
Air inlet thermistor
Higher than 35
YES
Air inlet thermistor
32
YES
Fan speed Fan speed
set 2,000 rpm set 1,200 rpm
Fan Turn OFF
NO
Exhaust thermistor
46
YES
61
NO
Heat exchanger thermistor
68
YES
NO