80
MS 460, MS 460 C
13.2
Troubleshooting Chart
Measure resistance of
heating element at
temperature = +20 °C (68 °F)
Check thermostatic
switchn
no
Replace heating
element
Does thermostatic switch
open b 6 °C (43 °F)
and + 13 °C (55 °F)?
Does thermostatic switch
close b 13 °C (55 °F)
and + 6 °C (43 °F)?
Carburetor heating system
in order
Resistance
approx. 8 Ohm?
no
no
yes
yes
yes
Replace thermostatic
switch
Replace thermostatic
switch