Volvo vhd Manual Do Utilizador
Heating and Air Conditioning
179
A/C Diagnostic Module
Problem Codes
The diagnostic module has two LED lights
(one green and one red) which indicate if a
system problem has been detected. If a
problem is detected, a fault code or “blink”
code is activated to identify the condition.
The blink codes listed on the label are:
(one green and one red) which indicate if a
system problem has been detected. If a
problem is detected, a fault code or “blink”
code is activated to identify the condition.
The blink codes listed on the label are:
Slow Green
Normal
Fast Green
Low system voltage
1 Red Blink
Loss of refrigerant
2 Red Blinks
Overcharge, blockage or
fan failure
fan failure
3 Red Blinks
Open or shorted clutch
or circuit
or circuit
4 Red Blinks
Open pressure switch or
circuit
circuit
The air conditioning system is under
pressure. The possibility of an explosion
is possible if serviced incorrectly. A
qualified technician should perform any
service needed. Failure to follow this
may lead to an explosion causing severe
injury or death.
pressure. The possibility of an explosion
is possible if serviced incorrectly. A
qualified technician should perform any
service needed. Failure to follow this
may lead to an explosion causing severe
injury or death.
W3002004