![background image](http://html.mh-extra.com/html/york/dhm18cmb21s/dhm18cmb21s_service-manual_912454052.webp)
7URXEOHVKRRWLQJ
4
4
ƹ
Malfunction
D
isplay: F3 Failure of Outdoor Ambient Sensor
N
N
Y
Y
Y
Failure of outdoor Ambient sensor
Check if the plug of the temperature sensor is correctly
connected with socket on the mainboard
Remove the sensor to check if the resistance value is ok
Replace mainboard of the indoor uint
Replace temperature sensor
Check the direction of the plug
and socket
ƹ
Malfunction
D
isplay: F5 Failure of Exhaust Temp. Sensor
N
N
Y
Y
Y
Failure of Exhaust Temp. sensor
Check if the plug of the temperature sensor is correctly
connected with socket on the mainboard
Remove the sensor to check if the resistance value is ok
Replace mainboard of the indoor uint
Replace temperature sensor
Check the direction of the plug
and socket
Summary of Contents for DHM18CMB21S
Page 23: ... 5 6FKHPDWLF LDJUDP Ɣ 27720 9 ...
Page 82: ...74 ...